Honda CRF450X 2020 Owner'S Manual & Competition Handbook Download Page 89 | Manualshive

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Valve Clearance

Servicing Your Honda

81

Valve Clearance

Important Safety Precautions

Excessive valve clearance will cause noise and
eventual engine damage. Little or no clearance will
prevent the valve from closing and cause valve
damage and power loss. Check valve clearance
when the engine is cold at the intervals specified in
the Maintenance Schedule (pages 33 , 34).

The checking or adjusting of the valve clearance
should be performed while the engine is cold.
The valve clearance will change as engine
temperature rises.

Before inspection, clean the engine thoroughly to
keep dirt from entering the engine.

1. Remove the seat and fuel tank (pages 43, 45).
2. Disconnect the breather tube (1) and spark

plug cap (2).

3. Remove the cylinder head cover socket bolts

(3), rubber seals (4), cylinder head cover (5)
and spark plug hole packing (6).

Cylinder Head Cover Removal

(1) breather tube

(2) spark plug cap

(2)

(1)

(3) cylinder head cover socket bolts
(4) cylinder head cover rubber seals
(5) cylinder head cover
(6) spark plug hole packing

(5)

(6)

(4)

(3)

(3)

31MKE710.book 81 ページ２０１９年３月１１日月曜日午前１０時４７分

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Summary of Contents for CRF450X 2020

Page 1: ...Black Pantone 186C CRF450X L PRINTED IN XXXX XXXX 2019 XX L 00X31 MKE 7100 31MKE710 2020 2020 CRF450X ...

Page 2: ...specifications before resuming recreational off road use NO PASSENGERS This motorcycle is designed and constructed as an operator only model The motorcycle load limit and seating configuration do not safely permit the carrying of a passenger This manual should be considered a permanent part of the motorcycle and should remain with the motorcycle when it is resold All information in this publicatio...

Page 3: ...ut does not conform to Federal Motor Vehicle Safety Standards or US EPA On Highway Exhaust Emission regulations and operation on public streets roads or highways is illegal The vehicle is equipped with a USDA qualified spark arrester Obey local laws and regulations It conforms to US EPA and California emission regulations for off road motorcycles 31MKE710 book 3 ページ２０１９年３月１１日月曜日午前１０時４７分 ...

Page 4: ...fficial Honda Service Manual a valuable reference Read the Warranties Booklet page 183 thoroughly so you understand the coverages that protect your new Honda and are aware of your rights and responsibilities This motorcycle has no cooling fan For this reason engine overheating and coolant loss will occur if the engine is kept idling too long when hot Additionally when riding in mud or sand or any ...

Page 5: ... You will find important safety information in a variety of forms including Safety Labels on the motorcycle Safety Messages preceded by a safety alert symbol and one of three signal words DANGER WARNING or CAUTION These signal words mean Safety Headings such as Important Safety Reminders or Important Safety Precautions Safety Section such as Motorcycle Safety Instructions how to use this motorcycl...

Page 6: ...Inspection 26 Break in Guidelines 27 SERVICING YOUR HONDA 29 Before You Service Your Honda The Importance of Maintenance 30 Maintenance Safety 31 Important Safety Precautions 31 Maintenance Schedule 32 Maintenance Record 35 General Competition Maintenance 36 Before After Competition Maintenance 40 Between Motos Practice Maintenance 40 After Competition Maintenance 41 Service Preparations Maintenan...

Page 7: ... Transporting Your Motorcycle 158 Storing Your Honda 159 Preparation for Storage 159 Removal from Storage 159 You the Environment 160 Troubleshooting 161 TAKING CARE OF THE UNEXPECTED 163 If a Fuse Blows 164 If Your Battery Is Low or Dead 165 If You Crash 166 TECHNICAL INFORMATION 167 Vehicle Identification 168 Serial Numbers 168 Specifications 169 Torque Specifications 170 Nuts Bolts Fasteners 17...

Page 8: ...31MKE710 book 8 ページ２０１９年３月１１日月曜日午前１０時４７分 ...

Page 9: ...ations to help you ride your CRF safely Please take a few moments to read these pages This section also includes information about the location of safety labels on your CRF Important Safety Information 2 Important Safety Precautions 2 Loading 3 Accessories Modifications 4 Safety Labels 5 31MKE710 book 1 ページ２０１９年３月１１日月曜日午前１０時４７分 ...

Page 10: ...Practice Developing off road riding skills is a gradual step by step process Start by practicing at low speed in a safe area and slowly build your skills Personal instruction from an experienced rider can also be valuable If you need assistance ask your dealer about riding groups in your area Also be sure to read the Tips Practice Guide for the Off Highway Motorcyclist booklet that came with your ...

Page 11: ... it are important to your safety If you decide to carry cargo you should be aware of the following information Loading Guidelines As discussed on page 2 we recommended that you do not carry any cargo on this motorcycle However if you decide to carry cargo ride at reduced speeds and follow these commonsense guidelines Keep cargo small and light Make sure it cannot easily be caught on brush or other...

Page 12: ...uce ground clearance and lean angle limit suspension travel or steering travel alter your riding position or interfere with operating any controls Modifications We strongly advise you not to remove any original equipment or modify your CRF in any way that would change its design or operation Such changes could seriously impair your CRF s handling stability and braking making it unsafe to ride We a...

Page 13: ...ur CRF Some labels warn you of potential hazards that could cause serious injury Others provide important safety information Read these labels carefully and don t remove them If the label comes off or becomes hard to read contact your dealer for replacement 31MKE710 book 5 ページ２０１９年３月１１日月曜日午前１０時４７分 ...

Page 14: ...Safety Labels 6 Motorcycle Safety 31MKE710 book 6 ページ２０１９年３月１１日月曜日午前１０時４７分 ...

Page 15: ...sic controls on your CRF Operation Component Locations 8 Indicators Displays 9 Multi function Display 10 Speedometer 12 Odometer Tripmeter A B 12 Fuel Mileage Meter 12 Digital Clock Setting 13 Backlight Brightness Adjustment 13 Changing the Speed and Mileage Unit 14 Changing the Fuel Mileage Unit 14 31MKE710 book 7 ページ２０１９年３月１１日月曜日午前１０時４７分 ...

Page 16: ...uments Controls Operation Component Locations front brake lever clutch lever engine stop button start button throttle grip fast idle knob engine idle speed side stand shift lever rear brake pedal 31MKE710 book 8 ページ２０１９年３月１１日月曜日午前１０時４７分 ...

Page 17: ...hift out of neutral These indicators are identified in the table on page 10 with the words Lamp Check If one of these indicators does not come on when it should have your dealer check for problems Display Check When starting the engine the multi function display 1 will temporarily show all the modes and digital segments so that you can make sure the liquid crystal display is functioning properly T...

Page 18: ...display includes the following functions Display check Speedometer Shows riding speed in miles or kilometers per hour page 12 Digital clock Shows hour and minute page 13 Odometer Shows accumulated mileage page 12 Tripmeter A B Shows the number of miles or kilometers ridden since you last reset the meter page 12 Fuel mileage meter Shows current fuel mileage average fuel mileage or fuel consumption ...

Page 19: ...ileage TRIP B Fuel consumption TRIP A Fuel consumption TRIP B Setting MODE Press and hold the SEL button while odometer or current fuel mileage is displayed the display turn into the setting mode Following items can be changed sequentially Time format setting Clock setting Backlight brightness adjustment Changing of speed and mileage unit Changing of fuel mileage unit In addition to move the ordin...

Page 20: ... 14 If the speed and mileage unit is set to km h km the indication mode of the current and average fuel mileage can be selected km L or L 100 km page 14 If the speed and mileage unit is set to mph mile the fuel mileage unit shows mile gal Press the SEL button to change the indication to the current fuel mileage average fuel mileage A average fuel mileage B fuel consumption A or fuel consumption B ...

Page 21: ...ght brightness adjustment The established setting can also be set by stopping the engine The control is automatically switched from the setting mode to the normal mode if the button is not pressed for about 30 seconds Even in this case established setting is maintained To adjust the backlight brightness proceed as follows 1 Refer to Digital Clock on previous step 2 Press SEL button The brightness ...

Page 22: ...e to the normal mode if the button is not pressed for about 30 seconds Even in this case established setting is maintained If the mph for speed and mile for mileage are selected the fuel mileage unit cannot be select To adjust the Fuel Mileage Unit proceed as follows 1 Refer to Changing the Speed and Mileage Unit on previous step 2 Press SEL button to switch between km L or L 100km 3 Press and hol...

Page 23: ...To help get you prepared this section discusses how to evaluate your riding readiness and what items you should check on your CRF For information about suspension and other adjustments see page 139 Are You Ready to Ride 16 Is Your Motorcycle Ready to Ride 17 Pre ride Inspection 17 31MKE710 book 15 ページ２０１９年３月１１日月曜日午前１０時４７分 ...

Page 24: ... see page 139 Whether you re preparing for competition or for practice always make sure you are In good physical and mental condition Free of alcohol and drugs Wearing an approved helmet eye protection and other appropriate riding gear Although complete protection is not possible wearing the proper gear can reduce the chance or severity of injury when you ride WARNING Not wearing a helmet increase...

Page 25: ...damage or improper inflation pressure 121 Spokes for looseness 120 Rim locks for looseness 120 Front and rear suspension for proper operation 99 115 Front and rear brakes check operation 116 Drive chain for correct slack and adequate lubrication 124 125 Drive chain sliders and drive chain rollers for damage or wear 124 125 Exhaust pipe Muffler for looseness 127 Every possible part for looseness su...

Page 26: ...18 Before Riding 31MKE710 book 18 ページ２０１９年３月１１日月曜日午前１０時４７分 ...

Page 27: ...art and stop your engine as well as break in guidelines Safe Riding Precautions 20 Side Stand 20 Starting Stopping the Engine 21 Fast Idle Knob 21 Preparation 21 Starting Procedure 21 How to Stop the Engine 22 Shifting Gears 23 Braking 24 Parking 25 Post ride Inspection 26 Break in Guidelines 27 31MKE710 book 19 ページ２０１９年３月１１日月曜日午前１０時４７分 ...

Page 28: ...The side stand 1 is used to support your CRF while parked page 25 To operate push the side stand down Slowly lean your CRF to the left until its weight rests on the side stand Turn the handlebar fully to the left Before riding raise the side stand Safe Riding Precautions WARNING Running the engine of your vehicle while in an enclosed or even partially enclosed area can cause a rapid build up of to...

Page 29: ...e 74 Make sure that the transmission is in neutral Always follow the proper starting procedure described as follows Check the engine oil and coolant levels before starting the engine pages 64 66 Cold Engine Starting 1 Shift the transmission into neutral 2 If the temperature is 50 F 10 C or below pull the fast idle knob 1 fully up 3 With the throttle closed Pull the clutch lever all the way in and ...

Page 30: ...depress the start button Do not open the throttle Snapping the throttle or fast idling for more than about 5 minutes may cause exhaust pipe and muffler discolorations When starting the engine the MIL amber will stay on for 2 seconds then go off If the MIL indicator 1 does not come on or go off when it should have your dealer check it for problems Normal Engine Stop 1 Shift the transmission into ne...

Page 31: ... shifting release the clutch lever and apply the throttle 6 To continue shifting up to each higher gear repeat step 5 7 To shift down to a lower gear close the throttle pull the clutch lever in and depress the shift lever After shifting release the clutch lever and apply the throttle Remember to close the throttle and pull the clutch lever in completely before shifting NOTICE Improper shifting may...

Page 32: ... brakes more gently Generally reduce your speed or complete braking before beginning a turn Avoid braking or closing the throttle quickly while turning Either action may cause one or both wheels to slip Any wheel slip will reduce your control of your CRF When riding in wet or raining conditions or on loose surfaces the ability to maneuver and stop will be reduced All of your actions should be smoo...

Page 33: ...Parking Basic Operating Instructions 25 Parking Lower the side stand to support your CRF Always choose a level surface to park 31MKE710 book 25 ページ２０１９年３月１１日月曜日午前１０時４７分 ...

Page 34: ...ter riding thoroughly clean your CRF and remove any dirt mud brush rocks or other objects you may have picked up along the way After cleaning carefully inspect your CRF for leaks or damage Be sure to lubricate the drive chain page 125 to prevent rusting 31MKE710 book 26 ページ２０１９年３月１１日月曜日午前１０時４７分 ...

Page 35: ...ttention to how you ride during the first operating day or 15 miles 25 km During this period avoid full throttle starts and rapid acceleration This same procedure should be followed each time when piston is replaced piston rings are replaced cylinder is replaced crankshaft or crank bearings are replaced 31MKE710 book 27 ページ２０１９年３月１１日月曜日午前１０時４７分 ...

Page 36: ...28 Basic Operating Instructions 31MKE710 book 28 ページ２０１９年３月１１日月曜日午前１０時４７分 ...

Page 37: ...s may be performed by any motorcycle repair establishment or individual using parts that are certified to EPA standards An optional tool kit may be available Check with your dealer s parts department Before You Service Your Honda The Importance of Maintenance 30 Maintenance Safety 31 Important Safety Precautions 31 Maintenance Schedule 32 General Competition Maintenance 36 Before After Competition...

Page 38: ...u subject your CRF to severe use or ride in unusually wet or dusty areas Frequent servicing of the air cleaner is especially important to help you avoid a possible costly engine repair If your CRF overturns or is involved in a crash be sure your dealer inspects all major parts even if you are able to make some repairs Remember proper maintenance is your responsibility Be sure to inspect your CRF b...

Page 39: ...m cool before touching Injury from moving parts Do not run the engine unless instructed to do so Read the instructions before you begin and make sure you have the tools and skills required To help prevent the motorcycle from falling over park it on a firm level surface using the side stand an optional workstand or a maintenance stand to provide support To reduce the possibility of a fire or explos...

Page 40: ...sks unless you have advanced mechanical skills and the required tools Procedures for items in this schedule are provided in an official Honda Service Manual available for purchase from your dealer page 182 Service intervals in the maintenance schedule for competition use are expressed in terms of motos and riding hours To avoid overlooking required service we urge you to develop a convenient way t...

Page 41: ...0 1800 2400 Km 150 1000 2000 3000 4000 ITEMS NOTE MONTH 1 6 12 18 24 FUEL LINE I I 55 FUEL PUMP FILTER R 57 61 THROTTLE OPERATION I I 73 AIR CLEANER NOTE 1 NOTE 3 C C C C 69 70 CRANKCASE BREATHER I I I I 71 SPARK PLUG I I I I 80 VALVE CLEARANCE I I I I I 81 89 ENGINE OIL R R R R R 64 65 ENGINE OIL FILTER R R R R R 64 65 DECOMPRESSOR SYSTEM I I I I I 86 ENGINE IDLE SPEED I I I I I 74 RADIATOR COOLA...

Page 42: ...utch discs and plates are replaced 6 Replace every year 7 Replace 3 years FREQUENCY ITEMS NOTE Each race or about 3 5 hours Every 2 races or about 7 5 hours Every 4 races or about 15 0 hours Every 6 races or about 22 5 hours Every 8 races or about 30 0 hours Refer to Page FUEL LINE NOTE 6 I R 55 FUEL PUMP FILTER NOTE 6 R 57 61 THROTTLE OPERATION I 73 AIR CLEANER NOTE 1 NOTE 7 C 69 70 CRANKCASE BRE...

Page 43: ...d maintenance including the 100 mile 150 km or 1 month initial maintenance is considered a normal owner operating cost and will be charged for by your dealer Use the space under Notes to record anything you want to remind yourself about or mention to your dealer Miles km or Month Odometer Date Performed By Notes 100 150 or 1 600 1 000 or 4 1 200 2 000 or 8 1 800 3 000 or 12 2 400 4 000 or 16 3 000...

Page 44: ...or their equivalents when servicing your CRF Clean parts in non flammable high flash point cleaning solvent such as kerosene when disassembling Lubricate any sliding surfaces O rings and seals before reassembling Grease parts by coating or filling where specified After any engine disassembly always install new gaskets O rings cotter pins piston pin clips snap rings etc when reassembling After reas...

Page 45: ...d air cleaner between motos Be careful not to over oil the air cleaner While it is important to oil the air cleaner thoroughly over oiling will cause an overall rich running condition probably more noticeable off idle and in low rpm performance Follow the servicing instructions in the Maintenance section Use Pro Honda Foam Air Filter Oil or an equivalent Be sure to grease the air cleaner flange wh...

Page 46: ...e frame closely for possible cracking or other damage It makes good racing sense Cylinder head Cylinder Put a little grease on the dowel pins of the cylinder head and cylinder to prevent corrosion from dissimilar metals The tolerances are quite tight so it s important to keep these dowels absolutely clean pages 90 92 Electrical Connectors Clean electrical connectors and wrap them with electrical t...

Page 47: ...om the bleed hole while operating the engine A small amount of coolant weeping from the bleed hole is normal See an official Honda Service Manual or consult your dealer for replacing the mechanical seal or oil seal Both seals should be replaced at the same time Suspension Linkage Lubrication Disassemble clean inspect and lubricate all suspension linkage pivot bearings with molybdenum disulfide gre...

Page 48: ... cleaning brush Lubricate and adjust the chain as necessary Do not perform maintenance while engine is running Injury to your fingers or hands may result After adjustment check that the chain adjuster index marks 1 are in the same position on each side This will ensure that the rear wheel is in proper alignment and allow maximum performance from the rear disc brake Maintaining proper wheel alignme...

Page 49: ...rs between the chain and sprocket Routine Cleaning If your CRF is only slightly dirty it is best to clean it by hand with the aid of a stiff bristled nylon brush and some clean rags Take care to prevent catching your fingers between the chain and sprocket A variety of reasonably priced cleaning brushes are available from variety drug food and hardware stores Some of these brushes are extremely use...

Page 50: ...d compression damping adjuster front suspension compression damping adjuster both left and right fast idle knob engine idle speed engine oil filter crankcase breather tube drive chain front brake caliper engine oil fill cap air cleaner rear suspension spring pre load adjuster spark plug engine oil drain bolt rear brake pedal rear brake fluid reservoir rear brake caliper front suspension rebound da...

Page 51: ...ligning the seat front prong 1 with the slot 2 of the fuel tank and seat center prongs 3 with the seat support base slots 4 2 Install and tighten the seat mounting bolts 5 to the specified torque 19 lbf ft 26 N m 2 7 kgf m 1 seat mounting bolts 2 seat 1 2 1 1 seat front prong 4 seat support base slots 2 slot 5 seat mounting bolts 3 seat center prongs 1 3 5 4 2 5 31MKE710 book 43 ページ２０１９年３月１１日月曜日...

Page 52: ...s 2 The right and left side covers can be removed in the same manner Installation 1 Install the side cover 1 and then tighten the bolts 2 to the specified torque 7 lbf ft 10 N m 1 0 kgf m The right and left side covers can be installed in the same manner 2 Install the seat page 43 1 side cover 2 bolts 1 2 1 side cover 2 bolts 1 2 31MKE710 book 44 ページ２０１９年３月１１日月曜日午前１０時４７分 ...

Page 53: ...nk by the fuel feed hose 13 NOTICE The fuel tank is made of titanium material Since the fuel tank has not been painted it might be discolored with mud and dust To remove mud or dust use a sponge or soft cloth and a stainless steel kitchen detergent then rinse well clean water After washing rinse with plenty of water and dry with a clean cloth 1 shroud A bolt 2 shroud B bolt 3 shroud C bolt 4 shrou...

Page 54: ...ting by completely pulling it up Release the fuel quick connect fitting 18 from the fuel joint 21 while holding the connector housing 22 then remove the fuel tank 12 Use a shop towel to absorb the remaining fuel in the fuel feed hose Be careful not to damage the hose or other parts Do not use tools Dirt intruding into the connector housing may cause slide retainer sticking 14 fuel pump connector 1...

Page 55: ...he kinked or damaged fuel hose Do not use gloves or a shop towel while installing the quick connect fitting 3 Place the fuel tank 4 onto the frame 4 Connect the quick connect fitting to the fuel joint 2 until you hear the click while holding the connector housing 5 If it is hard to connect put a small amount of engine oil on the pipe end of the fuel joint 5 Make sure the connection is secure and t...

Page 56: ... down so that the shroud tab 17 and the slot 18 on the side cover 19 is aligned 11 Install the shroud C bolt 20 B bolt 21 and shroud A bolt 22 Tighten the shroud A and B bolts to the specified torque 7 lbf ft 10 N m 1 0 kgf m Tighten the shroud C bolt to the specified torque 3 8 lbf ft 5 2 N m 0 5 kgf m The right and left shrouds can be installed in the same manner 12 Install the seat page 43 1 ru...

Page 57: ...e 13 9 Disconnect the IAT sensor connector 14 Disconnect the crankcase breather tube 15 and air injection air tube 16 from the air cleaner housing 17 Loosen the connecting tube band screws 18 10 Remove the negative battery cable bands 19 then remove the negative battery cable 20 from the subframe 13 1 ECM 3 starter relay 2 ECM stay 4 seat support base 1 2 4 3 2 ECM stay 7 collars B 5 stay mounting...

Page 58: ...Remove the air cleaner housing mounting bolts A 32 air cleaner housing mounting bolts B 33 and collars 34 16 Remove the subframe upper mounting bolts 35 and lower mounting bolts 36 Remove the subframe 13 to the rearward being careful not to damage the wire harness 13 sub frame 21 cable bands 22 positive battery cable 23 taillight connectors 24 fuse box assembly mounting bolt washer 25 regulator re...

Page 59: ... mounting bolts 6 to the specified torque subframe upper mounting bolts 24 lbf ft 32 N m 3 3 kgf m subframe lower mounting bolts 36 lbf ft 49 N m 5 0 kgf m 4 Install and tighten the air cleaner housing mounting bolts A 7 collars 8 and air cleaner housing mounting bolts B 9 17 air cleaner housing 37 connecting tube 17 37 1 air cleaner housing 2 connecting tube 3 subframe 4 main frame 5 upper mounti...

Page 60: ...ting bolts 19 Tighten the regulator rectifier mounting bolts and fuse box assembly mounting bolt washer securely 8 Route the positive battery cable 20 properly secure it with the positive battery cable bands 21 9 Route the negative battery cable 22 properly secure it with negative battery cable bands 23 10 harness guide 12 canister air tube 11 flange nut 13 boss 14 rear fender 15 rear fender mount...

Page 61: ... ECM stay 35 and stay mounting bolts 36 then tighten the bolts securely 13 Install the starter relay 37 to the seat support base 28 Install the ECM 38 to the ECM stay 35 14 Install the left side cover page 44 15 Install the muffler page 127 16 Install the fuel tank page 45 17 Install the battery page 133 1 air cleaner housing 24 crankcase breather tube 25 air injection air tube 26 IAT sensor conne...

Page 62: ... turn the fuel fill cap counterclockwise and remove it NOTICE Equivalent or modified parts must comply with applicable Air Resource Board ARB evaporative emission control regulations Non compliance may result in civil litigation or criminal prosecution The fuel cap may not be disassembled When replacing consult with a dealer and replace with a Honda genuine fuel cap or one that complies with Air R...

Page 63: ...letely pulling it up Release the fuel quick connect fitting from the fuel joint 6 while holding the connector housing 7 Use a shop towel to absorb the remaining fuel in the fuel feed hose Be careful not to damage the hose or other parts Do not use tools Dirt intruding into the connector housing may cause slide retainer sticking Fuel Line Inspection 1 fuel quick connect fitting cover 2 fuel line 1 ...

Page 64: ...oves or a shop towel while installing the quick connect fitting 3 Connect the quick connect fitting to the fuel joint 2 until you hear the click while holding the connector housing 4 Lock the slide retainer 3 by pushing it until you hear the click If it is hard to connect put a small amount of engine oil on the pipe end of the fuel joint 4 Make sure the connection is secure and that the slide reta...

Page 65: ... 2 Remove the fuel pump mounting nuts 1 fuel pump mounting cap nut 2 stopper cable guide 3 washer 4 collars 5 conical spring washers 6 and fuel pump plate 7 while holding the fuel tank 5 setting rubber 8 clamp tab 6 clamp 9 groove 7 bolt 6 7 5 9 8 Fuel Pump Filter Replacement WARNING Gasoline is highly flammable and explosive You can be burned or seriously injured when handling fuel Stop the engin...

Page 66: ... unit as an assembly 6 Release the hooks of the fuel pump unit holder from the grooves 16 in the fuel pump base tabs while pushing the holder against the base and slightly spreading the base tabs Be careful not to damage the hooks and tabs 7 Remove the fuel pump unit holder assembly 17 from the fuel pump base 13 and remove the O ring 18 Wipe the spilled out fuel immediately 8 Remove the fuel pump ...

Page 67: ... new O ring 5 Install a new O ring to the fuel pump assembly 2 3 Install the fuel pump assembly with fuel pump filter into the fuel pump unit holder 6 while routing the fuel pump yellow 7 and green 8 wires through the holder grooves 9 as shown 4 Install a new damper rubber 10 to the fuel pump filter as shown Install fuel pump stopper 11 21 fuel pump assembly 22 fuel pump unit holder 23 O ring 21 f...

Page 68: ...y aligning its tabs 24 with the fuel pump unit grooves 25 Check the dust seal lug 26 which is located the index mark 27 of the fuel pump base 13 9 Apply small amount of engine oil to a new O ring 28 Install a new O ring into the between the dust seal 29 and collar 30 of the fuel pump unit 31 10 Install the fuel pump unit 31 into the fuel tank 32 with its hose joint facing forward Be careful not to...

Page 69: ...k 42 on the fuel pump plate 33 13 Tighten the fuel pump mounting nuts 40 and cap nut 41 to the specified torque in the specified sequence as shown 8 lbf ft 11 N m 1 1 kgf m 14 Install the fuel tank page 47 15 Increase the fuel pressure page 62 26 dust seal lug 33 fuel pump plate 34 fuel pump plate groove 35 fuel pump unit lug 26 35 34 33 33 fuel pump plate 36 conical spring washers 37 collars 38 w...

Page 70: ...h the throttle closed Pull the clutch lever all the way in and depress the start button The engine will start up by increasing the fuel pressure If the engine does not start check all connector connections and or refer to an official Honda Service Manual page 182 for troubleshooting of the PGM FI symptom Fuel Pressure Increasing 31MKE710 book 62 ページ２０１９年３月１１日月曜日午前１０時４７分 ...

Page 71: ...ing a circular API energy conserving or resource conserving service label on the container They may affect lubrication Other viscosities shown in the following chart may be used when the average temperature in your riding area is within the indicated range JASO T 903 standard The JASO T 903 standard is an index for engine oils for 4 stroke motorcycle engines There are two classes MA and MB Oil con...

Page 72: ...ark add the recommended oil until it reaches the upper level mark Do not overfill Reinstall the engine oil fill cap dipstick Repeat steps 1 5 6 Check that the O ring 4 is in good condition and replace it if necessary 7 Reinstall the engine oil fill cap dipstick 1 8 Check for oil leaks 1 Remove the engine guard A bolts washers 1 B bolt washer 2 and engine guard 3 2 Run the engine at idle for 3 minu...

Page 73: ...SIDE mark 15 on the filter body near the seal Use a new Honda Genuine oil filter or a filter of equal quality specified for your model NOTICE If the oil filter is not installed properly it will cause serious engine damage 13 Apply engine oil to a new O ring and install it to the oil filter cover 14 Install the oil filter cover being careful not to damage the O ring then tighten the oil filter cove...

Page 74: ...s and provides good corrosion protection Decreasing the concentration of antifreeze to less than 40 will not provide proper corrosion protection Increasing the concentration of antifreeze is not recommended because it decreases cooling system performance Higher concentrations of antifreeze up to 60 should only be used to provide additional protection against freezing Check the cooling system frequ...

Page 75: ...heck the radiator air passages for clogging or damage Straighten bent fins 6 and remove insects mud or other obstructions with compressed air or low water pressure Replace the radiator if the air flow is restricted over more than 20 of the radiating surface Radiator should be replaced by your dealer unless you have the proper tools and service data and are mechanically qualified Refer to an offici...

Page 76: ...tle three four times to bleed air from the system Stop the engine and if necessary add coolant up to the proper level Reinstall the radiator cap Check the level of coolant in the reserve tank and fill to the UPPER level if it is low NOTICE If the radiator cap is not installed properly it will cause excessive coolant loss and may result in overheating and engine damage 5 Install the reserve tank ca...

Page 77: ...model or an air cleaner of equal quality NOTICE Using the wrong air cleaner may result in premature engine wear Proper air cleaner maintenance can prevent premature engine wear or damage expensive repairs low engine power poor gas mileage and spark plug fouling NOTICE Improper or lack of proper air cleaner maintenance can cause poor performance and premature engine wear 1 Remove the seat page 43 2...

Page 78: ... 5 5 g of Pro Honda Foam Air Filter Sealer or equivalent to the air cleaner element contact area of the air cleaner housing 10 Install the air cleaner assembly 5 into the air cleaner housing stay 11 11 Carefully position the sealing flange of the element to prevent dirt intrusion 12 Install and tighten the air cleaner retaining bolt 4 to the specified torque 1 8 lbf ft 2 4 N m 0 2 kgf m NOTICE Imp...

Page 79: ...arent section of the crankcase breather tube If the breather tube overflows the air filter may become contaminated with engine oil causing poor engine performance 1 Remove the crankcase breather tube plugs 1 from the crankcase breather tubes 2 and drain deposits into a suitable container 2 Reinstall the crankcase breather tube plugs Draining 1 crankcase breather tube plugs 2 crankcase breather tub...

Page 80: ...e way in and back out one turn Tighten the lock nut securely Make the adjustment with the lower adjuster Lower Adjustment The lower adjuster is used for major freeplay adjustment such as after replacing the throttle cables or removing the throttle body It is also used if you cannot get the proper adjustment with the upper adjuster 1 Loosen the lock nut 1 2 Turn the adjuster 2 in direction to decre...

Page 81: ... sliding surface of the throttle cable ends 1 Slide the dust cover 1 2 Remove the throttle housing bolts 2 3 Remove the throttle housing 3 from the throttle pipe 4 4 Thoroughly lubricate the throttle cable ends 5 with multi purpose grease 5 Install the throttle housing then tighten the throttle housing bolts to the specified torque 7 lbf ft 10 N m 1 0 kgf m NOTICE Align the lugs 6 of the wire guid...

Page 82: ...eed adjustment When pushed in the fast idle knob acts as the idle adjustment screw Turning it counterclockwise results in a faster higher idle speed Turning it clockwise results in a slower lower idle speed 1 If the engine is cold start it and warm it up 3 minutes Then shut it off 2 Connect a tachometer to the engine 3 Shift the transmission into neutral Start the engine 4 Adjust idle speed with t...

Page 83: ...ral cable adjuster is used if the cable end adjuster is threaded out near its limit or the correct freeplay cannot be obtained 1 Turn the cable end adjuster in direction until it seats lightly and then turn it out five turns 2 Loosen the lock nut 1 3 Turn the integral cable adjuster 2 to obtain the specified freeplay 4 Tighten the lock nut Check the freeplay 5 Start the engine pull the clutch leve...

Page 84: ...ace of the clutch cable ends 1 Release the dust cover 1 2 Turn the adjuster 2 and remove the clutch cable 3 3 Disconnect the clutch cable end from the clutch lever 4 4 Thoroughly lubricate the clutch cable end 5 with multi purpose grease 5 Connect the clutch cable end to the lever 6 Install the clutch cable and turn the adjuster 7 Remove the clutch cable end adjuster 6 8 Apply multi purpose grease...

Page 85: ...peration of the thrust bearing 9 built in clutch lifter with your finger The bearing should turn smoothly and quietly If the operation is not smooth refer to an official Honda Service Manual page 182 for bearing disassembly or see your dealer 8 Remove the seven clutch discs six clutch plates judder spring and spring seat 10 Clutch Disc Plate Removal 1 bolts 2 over cover 3 clutch cover bolts 4 clut...

Page 86: ...ng the clutch discs and plates replace the clutch springs 1 Install the spring seat 1 and judder spring 2 onto the clutch center as shown Coat the clutch discs with engine oil 2 Install the clutch disc A larger I D disc 3 onto the clutch outer Stack the six clutch plates 4 five clutch discs B 5 alternately while aligning the lugs 6 of the clutch center with the groove 7 of the clutch plates as sho...

Page 87: ...nstall it in the groove of the clutch cover 16 9 Install the cover by tightening the six cover bolts in a crisscross pattern in two or three steps to the specified torque 7 lbf ft 10 N m 1 0 kgf m 10 Install the right crankcase over cover 17 and tighten the four right crankcase over cover bolts 18 11 Pour recommended engine oil to the specified level page 64 11 clutch lifter rod 12 clutch lifter 1...

Page 88: ...k plug gap is 0 031 0 035 in 0 8 0 9 mm 7 To obtain accurate spark plug readings accelerate up to speed on a straightaway Press and hold the engine stop button and disengage the clutch by pulling the lever in Coast to a stop then remove and inspect the spark plug The porcelain insulator around the center electrode should appear tan or medium gray If you re using a new plug ride for 10 15 minutes b...

Page 89: ...ould be performed while the engine is cold The valve clearance will change as engine temperature rises Before inspection clean the engine thoroughly to keep dirt from entering the engine 1 Remove the seat and fuel tank pages 43 45 2 Disconnect the breather tube 1 and spark plug cap 2 3 Remove the cylinder head cover socket bolts 3 rubber seals 4 cylinder head cover 5 and spark plug hole packing 6 ...

Page 90: ...lt clockwise again and align the T mark with the index mark Make sure that the decompressor weight 5 is upper position 6 Check the timing marks 6 on the cam sprocket aligns with the camshaft holder mating surface 7 of the cylinder head 7 The inspection must be made when the piston is at the top of the compression stroke when both the intake and exhaust valves are closed This condition can be deter...

Page 91: ...xhaust valve clearance need adjustment see Camshaft Removal this page and select the correct shim for each valve 1 Record the intake valve and exhaust valve clearances this page Make sure the piston is at TDC on the compression stroke page 82 2 Remove the cam chain tensioner lifter cover bolt 1 and sealing washer 2 Valve Clearance Inspection 1 feeler gauge 3 camshaft cam lobes 2 intake rocker arms...

Page 92: ...s you remove the camshaft holder set rings may be sticking in the camshaft holder NOTICE Do not let the set rings fall into the crankcase If the set rings are remained on the camshaft holder remove the set rings carefully 5 Slide the left camshaft bearing 9 and remove the camshaft 10 by removing the cam chain 11 Suspend the cam chain with a piece of wire to prevent the chain from falling into the ...

Page 93: ...new shim thickness using the equation below A B C D A New shim thickness B Recorded valve clearance C Specified valve clearance D Old shim thickness Make sure of the correct shim thickness by measuring the shim with a micrometer Reface the exhaust valve seat if carbon deposits result in a calculated dimension of over 3 000 mm NOTICE Do not lap the intake valves They are titanium and have a thin ox...

Page 94: ... 2 engine oil and 1 2 molybdenum disulfide grease containing more than 3 molybdenum disulfide additive Moly Paste 77 to the following parts camshaft cam lobes plunger whole surface 5 Install the camshaft 6 onto the cylinder head with the decompressor weight 5 facing up as illustrated below 6 Install the cam chain 7 over the cam sprocket 8 While holding the left camshaft bearing 9 to the left fully...

Page 95: ...n in two or three steps 11 Remove the tensioner stopper 21 from the cam chain tensioner lifter 12 Make sure that the piston is at TDC on the compression stroke page 82 Check that the timing mark 11 on the cam sprocket aligns with the camshaft holder mating surface 12 of the cylinder head If the timing mark doesn t align with the camshaft holder mating surface insert the tensioner stopper into the ...

Page 96: ...plug page 80 2 Coat a new O ring 1 with engine oil and install it onto the crankshaft hole cap 2 Apply grease to the crankshaft hole cap threads Install and tighten the crankshaft hole cap to the specified torque 11 lbf ft 15 N m 1 5 kgf m 3 Install the right crankcase over cover page 79 22 T mark 23 primary drive gear 24 index mark 23 24 22 IN 0 004 0 001 in 0 11 0 03 mm EX 0 011 0 001 in 0 28 0 ...

Page 97: ...that the rubber seals 5 are in good condition replace them if necessary Install the rubber seals onto the cylinder head cover with the UP marks 6 facing up 4 Install the cylinder head cover 2 and tighten the cylinder head cover socket bolts 7 to the specified torque 7 lbf ft 10 N m 1 0 kgf m 5 Connect the spark plug cap 8 and breather tube 9 6 Install the fuel tank and seat pages 43 47 Cylinder He...

Page 98: ...ignition coil A connector 1 and B connector 2 Remove the ignition coil 3 by removing the ignition coil bolts 4 12 Remove the right radiator lower mounting bolt 5 and washer 6 13 Loosen the insulator band screw 7 and pull the throttle body 8 out from the insulator 9 Disconnect the vacuum tube 10 from the insulator Do not hang the throttle body and support it with a suitable strap 14 Remove the ther...

Page 99: ... the washers and cam chain fall into the crankcase 19 Remove the dowel pins 25 and cylinder head gasket 26 NOTICE Do not let the dowel pins and cam chain fall into the crankcase 20 Remove the cam chain guide 27 from the cylinder 28 14 cylinder head hanger bolts 15 cylinder head hanger plate bolts 16 left cylinder head hanger plate 17 right cylinder head hanger plate 15 14 16 Left side Right side 1...

Page 100: ...e nose pliers 3 Press the piston pin 3 out of the piston 4 and remove the piston Under racing conditions the piston rings and piston pin should be replaced every 4 races or about every 15 0 hours of running NOTICE Be careful not to damage or shock the piston pin Do not clean the piston pin using a commercially available compound cleaner Spread each piston ring 1 and remove by lifting it up at a po...

Page 101: ...tall the top ring 6 to the piston with 1R mark 7 side facing up NOTICE Do not damage the piston ring by spreading the ends too far Do not damage the piston during piston ring installation 6 After installing the piston rings they should rotate freely without sticking Space the ring end gaps 120 degrees apart between top ring second ring and spacer Space each ring end gap 0 8 in 20 mm or more apart ...

Page 102: ...oil a mixture of 1 2 engine oil and 1 2 molybdenum disulfide grease containing more than 3 molybdenum disulfide additive Moly Paste 77 to the piston pin 6 outer surface Apply engine oil to the piston outer surface and piston pin hole inner surface Install the piston pin and new piston pin clips 7 NOTICE Be careful not to damage or shock the piston pin Use new pin clips Never reuse old clips Do not...

Page 103: ...ICE Do not let the dowel pins fall into the crankcase 5 Apply engine oil to the cylinder bore 4 piston outer surface and piston rings 5 Route the cam chain 6 through the cylinder Install the cylinder over the piston rings by hand while compressing the piston rings NOTICE Do not damage the piston rings and cylinder bore Do not let the cam chain fall into the crankcase Cylinder Installation 1 cylind...

Page 104: ...urface Install the washers and cylinder head bolts 7 and tighten them to the specified torque in a crisscross pattern in two or three steps 37 lbf ft 50 N m 5 1 kgf m NOTICE Do not let the washers fall into the crankcase 6 Install the cylinder bolt 8 and tighten it to the specified torque 7 lbf ft 10 N m 1 0 kgf m 7 Install the oil catch tank stay 9 collar 10 oil catch tank 11 to the cylinder head...

Page 105: ...0 04 in 11 0 1 0 mm 10 Connect the vacuum tube 20 to the insulator 11 Install and tighten the right radiator lower mounting bolt 21 and washer 22 securely 12 Install the new O rings 23 onto the thermostat case dowel pin 24 13 Install the thermostat case assembly 25 to the cylinder head 26 then install and tighten the mounting bolts 27 to the specified torque 7 lbf ft 10 N m 1 0 kgf m 13 left cylin...

Page 106: ...17 Install the cylinder head cover page 89 18 Install the spark plug page 80 19 Install the exhaust pipe page 128 20 Install the subframe page 51 and muffler page 127 21 Install the fuel tank and seat pages 43 47 22 Fill and bleed the cooling system page 159 Check for the following compression leaks abnormal engine noise secondary air leaks exhaust gas leaks coolant leaks oil leaks 28 ignition coi...

Page 107: ...pension Periodically check and clean all front suspension parts to assure top performance Check the dust seals for dust dirt and foreign materials Check the oil for any contamination Refer to Suspension Adjustment Guidelines page 149 Make all rebound and compression damping adjustments in one click increments Adjusting two or more clicks at a time may cause you to pass over the best adjustment Tes...

Page 108: ...the number of turns from the starting position 1 Place your CRF on an optional workstand or equivalent support with the front wheel off the ground 2 Remove the handlebar lower holder nuts washers mounting rubbers 3 and handlebar 4 NOTICE Keep the master cylinder upright to prevent air from entering system 3 Loosen the fork bridge upper pinch bolts 5 4 Loosen the fork bolts assembly 6 but do not re...

Page 109: ... wire clip 22 from the caliper bracket Remove the front brake caliper mounting bolts 23 and brake caliper 24 Do not support the brake caliper by the brake hose Do not operate the brake lever after the front wheel is removed To do so will cause difficulty in fitting the brake disc between the brake pads 11 Remove the fork protector socket bolts 25 and fork protectors 26 5 fork bridge upper pinch bo...

Page 110: ...down onto the lower end axle holder 4 Lock nut wrench 07WMA KZ30100 NOTICE The outer tube 1 can drop on the axle holder 4 and damage the fork dust seal 5 To avoid damage hold both the outer tube and slider when removing the fork damper 3 Drain the fork oil from the outer tube 1 and oil holes 6 of the fork damper assembly 2 Remove the O ring 7 from the fork damper assembly 27 fork bridge lower pinc...

Page 111: ...e fork from the recommended standard fork oil capacity Refer to Front Suspension Adjustments on page 140 2 Apply the recommended fork oil to a new O ring 2 Install the O ring on the fork damper assembly 3 3 Pull up the fork outer tube 1 slowly and temporarily tighten the fork damper assembly 3 using the lock nut wrench 4 Lock nut wrench 07WMA KZ30100 1 outer tube Amount of fork oil left in the for...

Page 112: ...wrench reading will be less than the torque actually applied to the fork damper assembly 3 Tighten the fork bolt assembly 4 to the specified torque 22 lbf ft 30 N m 3 1 kgf m 4 For ease of releasing air pressure after the forks are installed loosen the fork bridge lower pinch bolts 1 and position the outer tubes so that the fork air pressure release screws 5 are in front of the compression damping...

Page 113: ...ause a loss of braking efficiency 10 Align the lower surface of the brake hose protector 14 with the lower ends of the stay A 15 and stay B 16 and assemble them Install and tighten them to the left fork protector using the brake hose speed sensor wire clamp bolts 17 11 Clean the threads of the front brake caliper mounting bolts 18 and brake caliper thoroughly Apply locking agent to the bolt thread...

Page 114: ...ghten the left axle pinch bolts 23 to the specified torque 15 lbf ft 20 N m 2 0 kgf m 15 Route the speed sensor wire 24 properly and install the speed sensor 25 to the left fork bracket Install and tighten the speed sensor mounting bolt 26 Install the speed sensor wire guide plate 27 and tighten the guide plate screw 28 16 Install the handlebar 29 mounting rubbers washers and handlebar lower holde...

Page 115: ...Damping on page 141 1 Remove the front suspension page 100 2 Disassemble the fork outer tube page 102 3 Place the lower end axle holder 1 of the slider in a vise with a piece of wood or soft jaws to avoid damage NOTICE Over tightening the vise can damage the axle holder 4 Loosen the fork center bolt 2 5 Pull up the fork outer tube slowly and temporarily tighten the fork damper assembly page 103 Pu...

Page 116: ...ul not to damage the lock nut and fork center bolt hole 10 Remove the fork damper assembly 6 from the fork assembly 7 Remove the fork from the vise Remove the fork spring 8 spring seat collar 9 and back up ring seat stopper 10 from the fork assembly NOTICE Do not attempt to separate the fork assembly and drop the axle holder out from the outer tube which can damage the guide bushings 11 To avoid d...

Page 117: ...s Do not disassemble the fork bolt assembly Replace the fork bolt as an assembly if it is damaged 5 Empty the fork oil from the fork damper assembly 4 by pumping the damper rod several times 6 Clean the fork bolt and fork damper assembly threads 5 7 Extend the fork damper piston rod to maximum length Pour the recommended fork oil into the fork damper assembly 4 Recommended Oil Pro Honda HP Fork Oi...

Page 118: ... while pulling the piston rod out NOTICE Be careful not to damage the fork bolt piston ring 11 Temporarily tighten the fork bolt assembly 3 to the fork damper assembly 4 12 Completely screw in the fork center bolt lock nut 1 to the fork damper piston rod 2 13 Check the fork damper piston rod sliding surface and threads for damage 2 fork damper piston rod 4 fork damper assembly 3 fork bolt assembly...

Page 119: ... 4 by pumping the fork damper piston rod to full stroke 16 Drain the extra oil from the oil holes 9 of the fork damper assembly 4 By doing above procedure about 0 2 US oz 5 cm3 of fork oil will be drained from the fork damper through the oil hole and cause 8 2 US oz 243 cm3 of fork oil to be left in the fork damper assembly Pour the drained oil into a suitable container and dispose of it in an app...

Page 120: ...piston rod operation is not smooth check the piston rod for bends or damage 1 Drain the fork oil from the fork assembly 1 by placing it upside down About 0 2 US oz 5 4 cm3 of fork oil will be left in the fork assembly when it is left inverted for about 20 minutes at 20 C 68 F To properly dispose of drained fluids refer to You the Environment on page 160 NOTICE Improper disposal of drained fluids i...

Page 121: ...to the outer tube 10 using the lock nut wrench 11 Lock nut wrench 07WMA KZ30100 6 Place the lower end axle holder 12 of the slider in a vise with a piece of wood or soft jaws to avoid to damage NOTICE Over tightening the vise can damage the axle holder 7 Push the outer tube until the fork center bolt lock nut 2 is fully exposed and install the piston base 13 or mechanic s stopper tool between the ...

Page 122: ...en the fork center bolt lock nut 2 to the fork center bolt 17 closely by hand Tighten the fork center bolt lock nut to the specified torque 21 lbf ft 28 N m 2 9 kgf m 12 Apply locking agent to the fork center bolt threads Remove the piston base or mechanic s stopper tool while pushing the fork damper Install the fork center bolt 17 to the axle holder and tighten it to the specified torque 51 lbf f...

Page 123: ...settings before attempting to adjust the rear suspension Refer to Suspension Adjustment Guidelines page 151 for making all rebound and compression damping adjustments in one click or 1 12 turn increments Adjusting two or more clicks or turns at a time may cause you to pass over the best adjustment Test ride after each adjustment If the rear suspension is too stiff soft adjust it by turning all the...

Page 124: ...front brake lever farther away from the handgrip turn the adjuster 3 clockwise To position the front brake lever closer to the handgrip turn the adjuster counterclockwise 4 While holding the adjuster tighten the lock nut to the specified torque 3 6 lbf ft 4 9 N m 0 5 kgf m 5 Apply silicone grease to the contacting areas of the adjuster and knocker arm 4 6 Install the front brake lever cover in rev...

Page 125: ... no fluid leaks Check for deterioration or cracks in the hoses and fittings Rear Brake Fluid Level Check With the motorcycle in an upright position check the fluid level It should be above the LOWER mark 1 If the level is at or below the LOWER mark check the brake pads for wear page 119 Worn brake pads should be replaced If the pads are not worn have your brake system inspected for leaks If the tr...

Page 126: ... Brake Fluid NOTICE Spilled brake fluid will severely damage painted surfaces It is also harmful to some rubber parts Be careful whenever you remove the reservoir cap make sure the reservoir is horizontal first Always use fresh DOT 4 brake fluid from a sealed container when servicing the system Do not mix different types of fluid they may not be compatible The recommended brake fluid is Honda DOT ...

Page 127: ...e of the caliper to determine the brake pad wear If either brake pad is worn anywhere to a thickness of 0 04 in 1 0 mm both brake pads must be replaced Check that the front brake lever and rear brake pedal assemblies are positioned properly page 116 and the securing bolts are tight Make sure there are no fluid leaks Check for deterioration or cracks in the hoses and fittings Brake Pad Wear 1 brake...

Page 128: ...t the rim locks are secure to prevent tire slippage 1 Inspect the wheel rims 1 and spokes 2 for damage 2 Tighten any loose spokes and rim locks 3 to the specified torque Spokes 2 7 lbf ft 3 7 N m 0 4 kgf m Rim Locks 9 lbf ft 12 N m 1 2 kgf m 3 Check wheel rim runout If runout is noticeable see an official Honda Service Manual for inspection instructions See an official Honda Service Manual for ins...

Page 129: ...to match the recommended cold pressures the tires will be underinflated The correct cold tire pressures are If you decide to adjust tire pressures for a particular riding condition make changes a little at a time Take time to inspect your tires and wheels before you ride Inspect carefully for bumps or bulges in the side of the tire or the tread Replace any tire that has a bump or bulge Look closel...

Page 130: ...nge as the original Replace the tube any time you replace a tire The old tube will probably be stretched and if installed in a new tire could fail Tire Replacement WARNING Installing improper tires on your motorcycle can affect handling and stability This can cause a crash in which you can be seriously hurt or killed Always use the size and type of tires recommended in this owner s manual Front 80...

Page 131: ...1 Check the side stand spring 1 for damage and loss of tension 2 Check the side stand assembly for freedom of movement If the side stand is stiff or squeaky clean the pivot area and lubricate the pivot bolt with molybdenum grease 1 side stand spring 1 31MKE710 book 123 ページ２０１９年３月１１日月曜日午前１０時４７分 ...

Page 132: ...ould remain constant If it isn t some links may be kinked and binding Lubricating the chain will often eliminate binding and kinking NOTICE Excessive chain slack may allow the drive chain to damage the engine cases 4 Inspect the drive chain for damaged rollers loose pins dry or rusted links kinked or binding links excessive wear Replace the drive chain page 126 if it has damaged rollers loose pins...

Page 133: ... of the axle plates 5 with the same reference marks 6 on both sides of the swingarm 3 Tighten the rear axle nut to the specified torque 94 lbf ft 128 N m 13 1 kgf m 4 Recheck chain slack and adjust as necessary 5 Turn the adjusting bolt counterclockwise until it touches the axle plates lightly Then tighten the chain adjuster lock nuts to the specified torque while holding the adjusting bolts with ...

Page 134: ...erviceable 3 Measure the drive chain plate 1 If the drive chain plate is worn anywhere to a thickness of 0 52 in 13 3 mm the drive chain must be replaced Chain 4 Inspect the sprocket teeth for wear or damage We recommend replacing the sprocket whenever a new chain is installed Both chain and sprockets must be in good condition or the new replacement chain or sprocket s will wear rapidly Excessivel...

Page 135: ...ounting A bolt 2 B bolt 3 washer 4 and muffler 5 1 Remove the gasket 1 2 Install a new gasket onto the exhaust pipe 2 3 Align the cutout 3 of the muffler 4 with the tab 5 of the muffler clamp 6 4 Install the muffler 5 Install the washer 7 muffler mounting B bolt 8 and A bolt 9 Exhaust Pipe Muffler Inspection Muffler Removal 1 muffler clamp bolt 2 muffler mounting A bolt 3 muffler mounting B bolt 4...

Page 136: ...asket 1 2 Install the exhaust pipe 2 and exhaust pipe joint nuts 3 but do not tighten the nuts yet 3 Install the muffler page 127 but do not tighten the bolts yet 4 Tighten the exhaust pipe joint nuts to the specified torque 16 lbf ft 22 N m 2 2 kgf m 5 Tighten the muffler clamp bolt muffler mounting A bolt and B bolt page 127 10 muffler clamp bolt 8 muffler mounting B bolt 9 muffler mounting A bo...

Page 137: ...ol 5 4 Remove the spark arrester mounting bolts 6 spark arrester 7 and gasket 8 from the muffler 1 5 Use a brush to remove carbon deposits from the spark arrester screen Be careful to avoid damaging the spark arrester screen 9 The spark arrester must be free of breaks and holes Replace if necessary 6 Install a new gasket 8 and the spark arrester 7 in the muffler 1 and tighten the spark arrester mo...

Page 138: ...d start winding the glass wool from the position as shown 8 Install the tail cap cover 4 washers 3 and tighten the tail cap cover bolts 2 to the specified torque 3 9 lbf ft 5 25 N m 0 5 kgf m 1 muffler 5 glass wool 10 seam 1 muffler 2 tail cap cover bolts 3 washers 4 tail cap cover 5 10 1 90 5 1 2 2 4 3 3 2 3 31MKE710 book 130 ページ２０１９年３月１１日月曜日午前１０時４７分 ...

Page 139: ...tment procedures or see your dealer 1 Check the handlebar 1 for bends or cracks 2 Check that the handlebar has not moved from its original position where the end of the right handlebar holders 2 is aligned with the paint mark 3 3 Check the torque of the handlebar upper holder bolts 4 16 lbf ft 22 N m 2 2 kgf m Tighten the front bolts first Periodically disconnect the clutch cables at their upper e...

Page 140: ...over bolts 7 10 1 0 6 Cylinder head bolts 37 50 5 1 7 Exhaust pipe joint nuts 16 22 2 2 8 Drive sprocket bolt 23 31 3 2 9 Engine oil drain bolt 13 18 1 8 10 Coolant drain bolt 7 10 1 0 1 cylinder head cover socket bolts 2 clutch cover bolts 3 water pump cover bolts 4 crankshaft hole cap 6 cylinder head bolts 7 exhaust pipe joint nuts 10 coolant drain bolt 10 1 4 3 7 2 6 1 cylinder head cover socke...

Page 141: ... read above 12V even with a blown battery fuse when the battery is unmounted page 165 Before you remove the battery be sure to read all the information that follows as well as the information on the battery label If you do not remove the battery we recommend disconnecting the battery cables negative cable first The battery is located under the seat Removal 1 Remove the seat page 43 2 Remove the ba...

Page 142: ...ry Improper charging may damage the battery We recommend using a charger recommended by your lithium ion li ion battery manufacturer which can be purchased from your dealer These units can be left connected for long periods without risking damage to the battery However the lithium ion li ion battery may degrade if stored with a charger connected Do not intentionally leave the charger connected lon...

Page 143: ...ith its TOP mark 6 facing up 6 To install the headlight reverse the removal procedure The headlight aim can be raised or lowered Turn the adjusting screw 1 clockwise to move the headlight up or turn the adjusting screw counterclockwise to move the headlight down to proper adjustment The taillight uses LED illumination If the taillight does not function properly see your dealer for service This mod...

Page 144: ...a Hondabrite a multi surface cleaner degreaser to remove both dirt and petroleum based grime from paint alloy plastic and rubber surfaces Wet any heavy deposits with water first Then spray on Pro Honda Hondabrite and rinse with a low pressure garden hose at full pressure Stubborn deposits may require a quick wipe with a sponge Allow the engine muffler brakes and other high temperature parts to coo...

Page 145: ...oad salt To remove stains use Scotch Brite Hand Pad 7447 maroon or an equivalent Wet the pad and polish the surface using strokes parallel to the length of the frame Clean the frame using a wet sponge and a mild detergent then rinse well with clean water Dry the frame with a soft clean cloth using strokes parallel to the length of the frame NOTICE Do not use steel wool to clean the frame as it cou...

Page 146: ...138 Servicing Your Honda 31MKE710 book 138 ページ２０１９年３月１１日月曜日午前１０時４７分 ...

Page 147: ...il and fuel levels ready for competition requires an optional stiffer or softer rear spring The need for either optional rear spring may need to be balanced by installing the optional fork springs of a similar rate Front Suspension Adjustments 140 Front Suspension Air Pressure 140 Front Suspension Damping 141 Fork Springs 141 Fork Oil Adjustment 142 Rear Suspension Adjustments 143 Rear Suspension ...

Page 148: ...sure acts as a progressive spring and affects the entire range of fork travel This means the fork action on your CRF will get stiffer during a moto For this reason release built up air pressure in the fork legs between moto Be sure the fork is fully extended with the front tire off the ground when you release the pressure The standard air pressure is 0 psi 0 kPa 0 kgf cm2 You may relieve accumulat...

Page 149: ...ng damping Do not turn the adjuster screw more than the given positions or the adjuster may be damaged Be sure that the compression and rebound adjusters are firmly located in a detent and not between positions Both compression and rebound damping can be increased by turning the adjuster clockwise The fork springs in CRF s are about right for riders weighing between 170 lb 77 kg and 200 lb 91 kg l...

Page 150: ... cm3 Slightly stiffer as it nears full compression Minimum oil capacity 10 3 US oz 304 cm3 Slightly softer as it nears full compression 2 scribe marks or no mark factory products Force N Stroke mm Oil capacity 13 2 US oz 389 cm3 MAX Oil capacity 12 2 US oz 361 cm3 STANDARD Oil capacity 10 3 US oz 304 cm3 MIN Standard oil capacity 12 1 US oz 359 cm3 Maximum oil capacity 13 1 US oz 387 cm3 Slightly ...

Page 151: ...ock nut and adjusting nut to adjust spring pre load 1 Place your CRF on an optional workstand or equivalent support with the rear wheel off the ground 2 Remove the subframe page 49 3 Check that the spring pre load is adjusted to the standard length Adjust as necessary by loosening the shock spring lock nut 1 and turning the adjusting nut 2 Each complete turn of the adjusting nut changes the spring...

Page 152: ...g adjustment is desired at relatively low speeds When adjusting the compression damping adjusters make sure to use the proper size tool to avoid damage Both the high and low speed compression damping can be increased by turning the appropriate adjuster clockwise Adjust the high speed compression damping adjuster in 1 4 turn increments Be sure the high speed compression adjuster is firmly located i...

Page 153: ...6 is located at the lower end of the rear shock absorber It has 17 clicks or more Turning the adjuster one full turn changes the adjuster 8 clicks When adjusting the rebound damping adjuster make sure to use the proper size tool to avoid damage Rebound damping can be increased by turning the adjuster clockwise Be sure that the rebound adjuster is firmly located in a detent and not between position...

Page 154: ...ension Remove the workstand With two helpers available sit as far forward as possible on your CRF s seat wearing your riding apparel Ask one helper to steady your CRF perfectly upright so you can put both feet on the pegs Bounce your weight on the seat a couple of times to help the suspension overcome any situation and settle to a good reference point Ask the other helper to measure the loaded wit...

Page 155: ...op out when you dismount your CRF Because of the great absorption quality of the shock bumper rubber it may be difficult for you to notice when your CRF s suspension is bottoming Some riders may think the damping or perhaps the leverage ratio is too harsh In reality the problem is most likely insufficient spring pre load or a spring that is too soft Either situation prevents utilizing the full tra...

Page 156: ...iffer optional springs front and rear may help especially if you are heavier than the average rider Your CRF may be under sprung because of the added weight of the clinging mud This additional weight may compress the suspension too much and affect traction Hard Surface For a fast hard track with no large jumps you can probably run the same spring as normal but run softer damping both ways compress...

Page 157: ...one click increments Middle travel too soft Front end dives when cornering If suspension isn t stiff in initial travel Test stiffer compression damping adjustments in one click increments If initial travel becomes stiff because of the above adjustment Reduce the rebound damping in one click increments Test softer compression damping adjustments in one click increments If that doesn t solve the pro...

Page 158: ...f Test stiffer compression damping adjustments in one click increments This should produce smooth fork action from initial to middle travel If initial and middle travel is stiff Test softer compression damping adjustments in one click increments Reduce the rebound damping in one click increments Final travel too stiff Doesn t bottom on landings but feels stiff Stiff on large bumps especially downh...

Page 159: ...test softer low and high speed compression adjustments simultaneously Suspension feels stiff on large bumps 1 Test softer high speed compression adjustment 2 If it still feels stiff further test softer low and high speed compression adjustments simultaneously Entire travel too stiff 1 Test softer high and low speed compression adjustments and rebound adjustment simultaneously 2 If it still feels s...

Page 160: ... center electrode where it exits the porcelain Light gray or white color streaks the porcelain insulator and center electrode indicate lean air fuel mixture Wet or black sooty streaks on the porcelain indicate rich air fuel mixture NOTICE An improperly tightened spark plug can damage the engine If a plug is too loose the piston may be damaged If a plug is too tight the threads may be damaged Spark...

Page 161: ...ment page 146 in the 3 7 4 5 in 95 115 mm range The position of the fork in the clamp is not adjustable Standard Position The groove 1 in the outer tube is aligned with the top surface of the upper fork bridge 2 Adjusting your CRF s wheelbase can offer subtle changes in overall handling You may adjust wheelbase by adding or removing links on the drive chain If you change the wheelbase be sure to r...

Page 162: ...l be less acceptable in other circumstances For example an aggressive mud tire will give excellent grip on wet loamy terrain but less impressive grip on a hard surface If you choose a tire with a sticky compound for added traction remember that it may transfer additional loads to the transmission because it grips so well especially when riding in situations that normally place unusual demands on t...

Page 163: ...ebar so that both gripping the bar and operating the controls are comfortable while both seated and standing while riding straight ahead and turning Tighten the forward handlebar upper holder bolts first The handlebar position may be moved backward either 0 1 in 3 mm using optional handlebar lower holders or 0 2 in 6 mm by rotating the standard holders 180 degrees Refer to an official Honda Servic...

Page 164: ...156 Adjustments for Competition 31MKE710 book 156 ページ２０１９年３月１１日月曜日午前１０時４７分 ...

Page 165: ...and store your CRF as well as three troubleshooting flow charts Transporting Your Motorcycle 158 Storing Your Honda 159 Preparation for Storage 159 Removal from Storage 159 You the Environment 160 Troubleshooting 161 31MKE710 book 157 ページ２０１９年３月１１日月曜日午前１０時４７分 ...

Page 166: ... of the truck bed or trailer rail Attach the lower ends of two straps to the tie down hooks on truck bed or trailer rail Attach the upper ends of the straps to the handlebar one on the right side the other on the left close to the fork Check that the tie down straps do not contact any control cables or electrical wiring Tighten both straps until the front suspension is compressed about half way To...

Page 167: ...w charge the battery page 134 once a month 9 Inflate the tires to their recommended pressures 10 Place your CRF on an optional workstand or equivalent to raise both tires off the ground 11 Stuff a rag into the muffler outlet Then tie a plastic bag over the end of the muffler to prevent moisture from entering 12 Store your CRF in an unheated area free of dampness away from sunlight with a minimum o...

Page 168: ...y see the following guidelines for proper disposal Recycle Wastes It s illegal and thoughtless to put used engine oil in the trash down a drain or on the ground Used oil gasoline coolant and cleaning solvents contain poisons that can hurt refuse workers and contaminate our drinking water lakes rivers and oceans Before changing your oil make sure you have the proper containers Put oil and other tox...

Page 169: ...ENGINE LACKS POWER CHECK POSSIBLE CAUSES 1 Check the wheel spin smoothness Brake dragging Worn or damaged wheel bearings Bent axle shaft Drive chain too tight 2 Check the tire pressure P 121 Faulty valve core Punctured tire 3 Check the engine speed change accordingly when clutch is engaged Clutch slipping Improperly adjusted clutch lever freeplay P 75 Worn clutch discs plates P 78 Warped clutch di...

Page 170: ...KP sensor Loose or disconnected ignition system wires Faulty engine stop button Faulty regulator rectifier CORRECT INCORRECT CORRECT INCORRECT CORRECT INCORRECT CORRECT INCORRECT CORRECT INCORRECT CORRECT INCORRECT WEAK OR INTERMITTENT SPARK POOR PERFORMANCE AT HIGH SPEED CHECK POSSIBLE CAUSES 1 Check the ignition timing Faulty ECM Faulty CKP sensor 2 Check the air cleaner P 69 Not cleaned frequen...

Page 171: ... Care of the Unexpected 163 Taking Care of the Unexpected This section gives practical advice to help you solve problems If a Fuse Blows 164 If Your Battery Is Low or Dead 165 If You Crash 166 31MKE710 book 163 ページ２０１９年３月１１日月曜日午前１０時４７分 ...

Page 172: ...ICE Replacing a fuse with one that has a higher rating greatly increases the chance of damage to the electrical system Main Fuse Access 1 To prevent an accidental short circuit stop the engine 2 Remove the seat page 43 3 Remove the left side cover page 44 4 Remove the start magnetic switch cover 5 5 Pull out the main fuse 6 to check for a blown fuse Always replace a blown fuse with a spare main fu...

Page 173: ...tery Bump starting is not recommended Check the battery voltage using a digital multi meter with the cable connected Below 1V The battery has failed replace the battery Between 1V and 8V The battery may have failed charge the battery using a lithium ion li ion battery charger and then recheck see page 134 Battery Charging If you can t charge the battery or it appears unable to hold a charge see yo...

Page 174: ...rther injury If you decide that you are capable of riding safely first evaluate the condition of your motorcycle If the engine is still running turn it off and look it over carefully inspect it for fluid leaks check the tightness of critical nuts and bolts and secure such parts as the handlebar control levers brakes and wheels If there is minor damage or you are unsure about possible damage but de...

Page 175: ...al Numbers 168 Specifications 169 Torque Specifications 170 Nuts Bolts Fasteners 170 Emission Control Systems 173 Oxygenated Fuels 175 Competition Logbook 176 Optional Parts List 178 Spare Parts Equipment 179 Spare Parts 179 General Tools 179 Honda Special Tools 179 Chemical Products 179 Other Products 179 Wiring Diagram 180 31MKE710 book 167 ページ２０１９年３月１１日月曜日午前１０時４７分 ...

Page 176: ...be required when ordering replacement parts You may record these numbers in the Quick Reference section at the rear of this manual The VIN vehicle identification number 1 is stamped on the right side of the steering head The engine number 2 is stamped on the right crankcase Serial Numbers 1 VIN 1 2 engine number 2 31MKE710 book 168 ページ２０１９年３月１１日月曜日午前１０時４７分 ...

Page 177: ... stroke Cylinder arrangement Single 10 inclined from vertical Bore and stroke 3 78 x 2 44 in 96 0 x 62 1mm Displacement 27 4 cu in 449 cm3 Compression ratio 12 0 1 Valve clearance cold Intake 0 004 0 001 in 0 11 0 03 mm Exhaust 0 011 0 001 in 0 28 0 03 mm Engine oil capacity after draining 1 16 US qt 1 10 ℓ after draining and oil filter change 1 22 US qt 1 15 ℓ after disassembly 1 53 US qt 1 45 ℓ ...

Page 178: ...ket bolts 7 10 1 0 2 Clutch cover bolts 7 10 1 0 3 Water pump cover bolts 7 10 1 0 4 Crankshaft hole cap 11 15 1 5 NOTE 1 5 Oil filter cover bolts 7 10 1 0 6 Cylinder head bolts 37 50 5 1 NOTE 2 7 Exhaust pipe joint nuts 16 22 2 2 8 Drive sprocket bolt 23 31 3 2 9 Engine oil drain bolt 13 18 1 8 NOTE 2 10 Coolant drain bolt 7 10 1 0 NOTES 1 Apply grease to the threads 2 Apply engine oil to the thr...

Page 179: ...hanger plate nuts 19 26 2 7 11 Lower engine hanger nut 40 54 5 5 12 Cylinder head hanger bolts 40 54 5 5 13 Cylinder head hanger plate bolts 24 32 3 3 14 Rear suspension upper 32 44 4 5 NOTE 1 lower 32 44 4 5 NOTE 1 15 Swingarm pivot nut 65 88 9 0 NOTE 1 16 Fork fork damper assembly 56 76 7 7 fork bolt assembly 22 30 3 1 17 Rear shock arm nuts swingarm side 38 52 5 3 NOTE 1 5 shock link side 38 52...

Page 180: ...tector socket bolts 5 2 7 0 0 7 NOTE 4 37 Muffler clamp bolt 15 20 2 0 38 Driven sprocket nuts 24 32 3 3 NOTE 1 39 Seat mounting bolts 19 26 2 7 40 Front brake reservoir cap screws 0 7 1 0 0 1 41 Rear brake reservoir cap bolts 0 7 1 0 0 1 42 Fork air pressure release screw 1 0 1 3 0 1 43 Muffler mounting bolt A 19 26 2 7 Muffler mounting bolt B 19 26 2 7 44 Tail cap cover bolts 6 6 9 0 0 9 Spark a...

Page 181: ...enance repair or replacement of any device or element of design incorporated into any new vehicle for the purpose of noise control prior to its sale or delivery to the ultimate purchaser or while it is in use or 2 the use of the vehicle after such device or element of design has been removed or rendered inoperative by any person AMONG THOSE ACTS PRESUMED TO CONSTITUTE TAMPERING ARE THE ACTS LISTED...

Page 182: ...exhaust gases in the exhaust port The secondary air injection system helps improve emission control performance No adjustments to this system should be made although periodic inspection of the components is recommended Evaporative Emission Control System An evaporative emissions control system uses a canister filled with charcoal to adsorb fuel vapor from the fuel tank while the engine is off The ...

Page 183: ...soline containing ethanol may be marketed under the name Gasohol METHANOL methyl or wood alcohol up to 5 by volume You may use gasoline containing up to 5 methanol by volume as long as it also contains cosolvents and corrosion inhibitors to protect the fuel system Gasoline containing more than 5 methanol by volume may cause starting and or performance problems It may also damage metal rubber and p...

Page 184: ...ion components Timekeeping This Manual lists maintenance intervals for every so many motos or every so many hours of running Because all motos are not the same the most effective way to schedule maintenance is by the hours you have run your CRF An official guesstimate is close enough for our timekeeping purposes You may choose to record your time the same way aircraft operators do but without the ...

Page 185: ...ical Information 177 Date Running Time Location Event Comments Suspension Settings Chassis Adjustments Maintenance Performed etc Make several photocopies of this page for future use 31MKE710 book 177 ページ２０１９年３月１１日月曜日午前１０時４７分 ...

Page 186: ...0LJFZ Handlebar lower holder Standard 0 1 in 3 mm offset Optional no offset TOOLS Remarks Pin spanner A To adjust spring preload two spanners required Workstand For maintenance Air gauge For checking tire air pressure FRAME Remarks Fork spring 28 6 Ibf in 5 0 N mm Standard Medium Optional Soft 27 4 Ibf in 4 8 N mm Stiff 29 7 Ibf in 5 2 N mm 2 scribe marks or no mark factory products No mark 3 scri...

Page 187: ... channel lock set hammer plastic head syringe with adjustable stop air pressure gauge tire irons tire pump or air tank feeler gauge set Vernier caliper metric pressure vacuum testing equipment Any special tools for your CRF purchased from your dealer Tensioner stopper 07AMG 001A100 Lock Nut Wrench 07WMA KZ30100 Spoke Wrench 07JMA MR60100 Spoke Wrench 070MA KZ30100 Piston Base 07958 2500001 Fork Ro...

Page 188: ...G Bl G Bl G W G Bl G Bl Y Bu Y Y Y Bu Y W Y Y Y Y Bu Y W Y Bl R P W P G R Gr Bu G R G Y G R R Y Y G G R R Y Br Y Y Y G Bl Bl R G Bl Bl R G Bl R Bl R Br Y Bl R W R P W Bu Bl R P Bl G Bl Bl Y W G Bl G Bl Bl Y W G Bl Bl W Bl R Bl R G Bl Bl R O Bl Bu G R G R G R G R G R G R R Y R Y R Y R Y R W Bl R Y R Y Bl R R W Br W Br Br Bl R Bl Bu W R W R R R R Bl O Br Y Br W Br W Br W Br W Bl R Bl R Bl R Bl R Bl ...

Page 189: ...tion This section contains information about contacting Honda and how to get an official Honda Service Manual Authorized Manuals 182 Warranty Coverage 183 Warranty Service 184 Contacting Honda 185 Your Honda Dealer 186 31MKE710 book 181 ページ２０１９年３月１１日月曜日午前１０時４７分 ...

Page 190: ...ual can help you prepare your Honda motorcycle scooter ATV and SxS for winter storage These Honda manuals are written for the professional technician but most mechanically capable owners should find them helpful if they have the proper tools and skills Special Honda tools are necessary for some procedures Order online www helminc com Order Toll Free 1 888 CYCLE93 1 888 292 5393 NOTE For Credit Car...

Page 191: ...onda owner s card with your Warranties Booklet It is important to realize that your warranty for your Honda applies to defects in material or factory workmanship Your warranty coverage does not apply to normal wear or deterioration associated with using the motorcycle Your warranty coverage will not be voided if you choose to perform your own maintenance However you should have the proper tools an...

Page 192: ... results of the inspection If the problem is covered under warranty your dealer will perform the warranty repairs for you If you have questions about warranty coverage or the nature of the repair it is best to talk to the Service Manager of your Honda dealer Sometimes in spite of the best intentions of all concerned a misunderstanding may occur If you aren t satisfied with your dealer s handling o...

Page 193: ... That s why it s important to work to resolve any differences at the dealership level If you wish to comment on your experiences with your CRF or with your dealer please send your comments to the following address Motorcycle Division American Honda Motor Co Inc P O Box 2200 Torrance CA 90509 2200 Mailstop 100 4C 7B Telephone 866 784 1870 Please include the following information in your letter name...

Page 194: ...ts department offers Honda Genuine Parts Pro Honda products Honda Genuine Accessories The same quality that went into your Honda can be found in Honda Genuine replacement parts You ll also find comparable quality in the accessories and products available from the parts department Your Honda dealer can inform you about competition events in your area We re sure you ll be as pleased with the service...

Page 195: ...Consumer Information 187 31MKE710 book 187 ページ２０１９年３月１１日月曜日午前１０時４７分 ...

Page 196: ...eed and mileage unit 14 chassis adjustments 153 cleaner air 69 cleaning appearance care 136 competition logbook 176 consumer information 181 controls 7 coolant 66 customer service 186 cylinder system 92 damping adjustments front 141 rear 144 dealer your Honda 186 diagram wiring 180 digital clock setting 13 drive chain 124 engine does not start 161 flooded 22 idle speed 74 lacks power 161 mode sele...

Page 197: ...s practice 40 component locations 42 general competition 36 importance 30 safety 31 schedule 32 manual service 182 modifications 4 Multi function Display 7 multi function display 10 odometer 12 oil engine 63 fork 102 operating instructions 19 operation component locations 8 optional parts list 178 oxygenated fuels 175 pads brake 119 parts optional 178 personal fit adjustments 155 pinging engine 54...

Page 198: ...hooting 161 steering stem inspection 131 stopping engine 22 storage 159 subframe 49 suspension adjustment for track conditions 148 front 140 guidelines 149 rear 143 suspension front 99 rear 115 throttle freeplay 72 inspection 73 lubrication 73 tires air pressure 121 flat 121 selection 122 tools 179 torque specifications engine 170 frame 171 172 transporting 158 tripmeter 12 troubleshooting 161 tub...

Page 199: ...Memo 191 31MKE710 book 191 ページ２０１９年３月１１日月曜日午前１０時４７分 ...

Page 200: ...192 Memo 31MKE710 book 192 ページ２０１９年３月１１日月曜日午前１０時４７分 ...

Page 201: ...ts service frequencies for each race or about 3 5 hours every 2 races or about 7 5 hours every 4 races or about 15 0 hours every 6 races or about 22 5 hours and every 8 races or about 30 0 hours Pre ride Inspection Check the items listed on the Pre ride Inspection checklist each time before you ride page 17 Fuel Tank Capacity unleaded gasoline pump octane number of 91 or higher tank 2 01 US gal 7 ...

Page 202: ...ce Quick Reference These symbols are used in Operating Controls and Basic Operating Instructions sections SYMBOL COMPONENT SEE PAGE fast idle knob 8 21 START button 8 21 31MKE710 book 196 ページ２０１９年３月１１日月曜日午前１０時４７分 ...

Page 203: ...h are known to the State of California to cause cancer and birth defects or other reproductive harm To minimize exposure avoid breathing exhaust do not idle the engine except as necessary service your vehicle in a well ventilated area and wear gloves or wash your hands frequently when servicing your vehicle For more information go to www P65Warnings ca gov passenger vehicle 31MKE710 book 197 ページ２...

Page 204: ...Black Pantone 186C CRF450X L PRINTED IN XXXX XXXX 2019 XX L 00X31 MKE 7100 31MKE710 2020 2020 CRF450X ...

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