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Honda CRF450X 2017, Owner'S Manual & Competition Handbook

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Honda CRF450X 2017 Owner'S Manual & Competition Handbook Download Page 6

Motorcycle Safety

      1

Motorcycle Safety

Important Safety Information .............................. 2
 

Important Safety Precautions ......................... 2

Loading ................................................................ 3
Accessories & Modifications ............................... 4
Safety Labels ........................................................ 5

This section presents some of the most important 
information and recommendations 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. 

17 CRF450X̲31MEY710.indb   1

17 CRF450X̲31MEY710.indb   1

2016/06/08   11:45:32

2016/06/08   11:45:32

Summary of Contents for CRF450X 2017

Page 1: ...al off road use or competition only and is covered by noise control warranty It 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 If you need to cross a paved or public road get off and walk your motorcycle across Do no...

Page 2: ... 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 California and Environment Canada emission regulations for off road motorcycles 17 CRF450X 31MEY710 indb 2 17 CRF450X 31MEY710 indb 2 2016 06 ...

Page 3: ...If you plan to do any service on your CRF beyond the standard maintenance procedures in this manual you will find the Service Manual a valuable reference Read the Warranties Booklet page 175 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 w...

Page 4: ...rmation 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 DANGER You WILL be KILLED or SERIOUSLY HURT if you don t follow instructions WARNING You CAN be KILLED or SERIOUSLY HURT if you don t follow instructions CAUTION You CAN be HURT if you don t follow ...

Page 5: ...park Arrester 65 Valve Clearance 66 Piston Piston Rings Piston Pin 76 Chassis Suspension 84 Brakes 88 Wheels 92 Tires Tubes 93 Side Stand 95 Drive Chain 96 Steering Damper 99 Additional Maintenance Procedures 102 Electrical Battery 104 Headlight Taillight 106 Appearance Care 108 ADJUSTMENTS FOR COMPETITION 111 Front Suspension Adjustments 112 Rear Suspension Adjustments 126 Suspension Adjustments ...

Page 6: ...abels 5 This section presents some of the most important information and recommendations 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 17 CRF450X 31MEY710 indb 1 17 CRF450X 31MEY710 indb 1 2016 06 08 11 45 32 2016 06 08 11 45 32 ...

Page 7: ...ition It s important to keep your CRF properly maintained and in safe riding condition Having a breakdown can be difficult especially if you are stranded off road far from your base To help avoid problems inspect your CRF before every ride and perform all recommended maintenance Do not wear loose clothing which could catch on the control levers kickstarter footpegs drive chain or wheels Take Time ...

Page 8: ...ur safety If you decide to carry cargo you should be aware of the following information Loading Guidelines As discussed on this page 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 objects and that it...

Page 9: ... 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 also advise you not to make any modifications or remove any equipment such as the USDA qualified spark arrester or emission control system components that would make the motorcycle illegal in your area Accessories Modificati...

Page 10: ...ial 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 For Canada 17 CRF450X 31MEY710 indb 5 17 CRF450X 31MEY710 indb 5 2016 06 08 11 45 32 2016 06 08 11 45 32 ...

Page 11: ...6 Motorcycle Safety 17 CRF450X 31MEY710 indb 6 17 CRF450X 31MEY710 indb 6 2016 06 08 11 45 32 2016 06 08 11 45 32 ...

Page 12: ...ntrols Read this section carefully before you ride It presents the location of the basic controls on your CRF Operation Component Locations 8 17 CRF450X 31MEY710 indb 7 17 CRF450X 31MEY710 indb 7 2016 06 08 11 45 32 2016 06 08 11 45 32 ...

Page 13: ...ke knob fuel valve shift lever kickstarter rear brake pedal clutch lever hot start lever front brake lever engine stop button throttle grip tripmeter start button 17 CRF450X 31MEY710 indb 8 17 CRF450X 31MEY710 indb 8 2016 06 08 11 45 33 2016 06 08 11 45 33 ...

Page 14: ... to evaluate your riding readiness and what items you should check on your CRF For information about suspension carburetor and other adjustments see page 111 Before Riding Are You Ready to Ride 10 Is Your Motorcycle Ready to Ride 11 Pre ride Inspection 11 17 CRF450X 31MEY710 indb 9 17 CRF450X 31MEY710 indb 9 2016 06 08 11 45 33 2016 06 08 11 45 33 ...

Page 15: ...ing 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 Not wearing a helmet increases the chance of serious injury or death in ...

Page 16: ...rpm 140 Tires for damage or improper inflation pressure 93 Spokes for looseness 92 Rim locks for looseness 92 Front and rear suspension for proper operation 84 85 Front and rear brakes check operation 88 Drive chain for correct slack and adequate lubrication 96 98 Drive chain sliders and drive chain rollers for damage or wear 98 Exhaust pipe Muffler inspection 62 Steering damper operation inspecti...

Page 17: ...12 Before Riding 17 CRF450X 31MEY710 indb 12 17 CRF450X 31MEY710 indb 12 2016 06 08 11 45 33 2016 06 08 11 45 33 ...

Page 18: ...s Safe Riding Precautions 14 Side Stand 14 Tripmeter 14 Starting Stopping the Engine 15 Preparation 15 Fuel Valve 15 Starting Procedure 15 Flooded Engine 16 How to Stop the Engine 16 Shifting Gears 17 Braking 18 Parking 19 Post ride Inspection 20 Break in Guidelines 21 17 CRF450X 31MEY710 indb 13 17 CRF450X 31MEY710 indb 13 2016 06 08 11 45 33 2016 06 08 11 45 33 ...

Page 19: ...an enclosed area such as a garage Your CRF s exhaust contains poisonous carbon monoxide gas which can collect rapidly in an enclosed area and cause illness or death Running the engine of your vehicle while in an enclosed or even partially enclosed area can cause a rapid build up of toxic carbon monoxide gas Breathing this colorless odorless gas can quickly cause unconsciousness and lead to death O...

Page 20: ... start button Or operate the kickstarter to start the engine Starting from the top of the stroke kick through to the bottom with a rapid continuous motion Do not operate the throttle NOTICE Allowing the kickstarter to snap back freely against the pedal stop can damage the engine case 5 Warm up the engine don t operate the throttle 6 About 15 seconds after the engine starts push the choke knob back...

Page 21: ...t kickstarter operation approximately ten times very slowly to discharge excessive fuel from the engine Close the throttle 3 Pull the hot start lever all the way in and start the engine Do not open the throttle 4 As soon as the engine starts release the hot start lever How to Stop the Engine 1 2 1 throttle 2 engine stop button Normal Engine Stop 1 Shift the transmission into neutral 2 Turn the fue...

Page 22: ...ottle 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 Shifting Gears Remember to close the throttle and pull the clutch lever in completely before shifting NOTICE Improper shifting may damage the engine transmission and d...

Page 23: ...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 smooth under these conditions Rapi...

Page 24: ...ng Lower the side stand to support your CRF If you re through riding for the day turn the fuel valve OFF Always choose a level surface to park 17 CRF450X 31MEY710 indb 19 17 CRF450X 31MEY710 indb 19 2016 06 08 11 45 34 2016 06 08 11 45 34 ...

Page 25: ...F 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 98 to prevent rusting 17 CRF450X 31MEY710 indb 20 17 CRF450X 31MEY710 indb 20 2016 06 08 11 45 34 2016 06 08 11 45 34 ...

Page 26: ...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 17 CRF450X 31MEY710 indb 21 17 CRF450X 31MEY710 indb 21 2016 06 08 11 45 34 2016 06 08 11 45 34 ...

Page 27: ...22 Basic Operating Instructions 17 CRF450X 31MEY710 indb 22 17 CRF450X 31MEY710 indb 22 2016 06 08 11 45 34 2016 06 08 11 45 34 ...

Page 28: ...lishment 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 24 Maintenance Safety 25 Important Safety Precautions 25 Maintenance Schedule 26 General Competition Maintenance 29 Before After Competition Maintenance 33 Between Motos Practice Maintenanc...

Page 29: ...in To help you properly care for your CRF this section of the manual provides a Maintenance Schedule The service intervals in this schedule are based on average riding conditions More frequent service is needed if you 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...

Page 30: ...tial hazards Carbon monoxide poisoning from engine exhaust Be sure there is adequate ventilation whenever you operate the engine Burns from hot motorcycle parts Let the engine and exhaust system 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 th...

Page 31: ...ou to develop a convenient way to record the number of days and or distance traveled USA miles Canada kilometers you ride If you do not feel capable of performing a given task or need assistance remember that your Honda dealer knows your CRF best and is fully equipped to maintain and repair it If you decide to do your own maintenance use only Honda Genuine Parts or their equivalents for repair or ...

Page 32: ... C I I I R R I I I R I I I I I I I C I C I I I R R I I I I I R I I I I I I I I I I I C I I I R R I I I R I I I I I I I C I C I I I R R I I R I I R I I I I I I I I I I I 41 42 55 51 53 61 66 43 44 140 48 49 46 96 98 98 89 91 88 107 56 95 84 85 65 103 160 163 92 93 102 FREQUENCY ITEMS NOTE miles km Month 100 150 1 600 1 000 6 1 200 2 000 12 I L every 300 miles 500 km or 3 months C every 1 000 miles ...

Page 33: ...ES EXHAUST PIPE MUFFLER SUSPENSION SWINGARM SHOCK LINKAGE FORK OIL NUTS BOLTS FASTENERS WHEELS TIRES STEERING HEAD BEARINGS NOTE 1 NOTE 2 NOTE 4 NOTE 3 NOTE 3 NOTE 5 NOTE 2 NOTE 5 NOTE 3 55 60 51 53 61 48 66 43 44 140 79 79 46 49 96 98 98 97 97 89 91 88 56 102 62 84 85 32 86 117 103 160 163 92 93 102 I I C I I I I I I I I L I I I I I I I I I L I I I I R L R I R R R R R I R FORK TUBE SLIDER DAMPER ...

Page 34: ...Clean parts in non flammable high flash point cleaning solvent such as kerosene when disassembling Lubricate any sliding surface 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 reassembly check all parts for proper installation...

Page 35: ...r dirt penetration Air Cleaner Clean and oil your air cleaner regularly because the volume of air able to pass through it has a great effect on performance Both engine performance and long term durability may be affected by an air cleaner that has deteriorated and allows dirt to pass Inspect the air cleaner closely each time it s serviced for evidence of small tears or seam separation Keep a spare...

Page 36: ...System in your Owner s Manual page 41 Check the fuel lines for deterioration damage or leakage Replace the fuel lines if necessary Periodically drain the fuel from the fuel tank remove and clean the fuel valve filter Replace the fuel valve O ring if there are any signs of damage or deterioration page 42 Loosen the carburetor drain screw and examine the fuel that flows out of the float bowl If you ...

Page 37: ...rformance example EXCELITE EP2 manufactured by KYODO YUSHI Japan or Shell Stamina EP2 or equivalent Bleed Hole After every race check the bleed hole located just below the water pump cover on the right crankcase cover Clean away any clogged dirt or sand if necessary Check for signs of seal leakage A small amount of weeping from the bleed hole is normal Fork Oil Performance Disassemble clean and in...

Page 38: ...formance of your CRF to practice a consistent maintenance program Right after the event is a good time to begin your next maintenance cycle After Race Lubrication Apply a light coating of rust inhibiting oil to the drive sprocket and any steel portions of the chassis or engine where the paint has worn away This will prevent rusting of the exposed metal Apply rust inhibiting oil more heavily if the...

Page 39: ... variety drug food and hardware stores Some of these brushes are extremely useful in removing dirt from the many tight contours of the metal pieces of your CRF Avoid using stiff abrasive brushes on the plastic or rubber parts If your CRF was exposed to sea air or salt water rinse it as soon as possible after the event dry it and apply a spray lubricant to all metal parts If you decide to wash your...

Page 40: ...fuse rear suspension high speed compression damping adjuster rear suspension low speed compression damping adjuster rear suspension rebound damping adjuster front suspension compression damping adjuster transmission oil fill cap transmission oil check bolt front suspension rebound damping adjuster rear brake pedal rear brake fluid reservoir rear brake caliper clutch lever hot start lever steering ...

Page 41: ...seat 1 while aligning the seat front prong 2 with the seat bracket 3 and seat rear prongs 4 with the tabs 5 of the frame 2 Install and tighten the seat mounting bolts 6 to the specified torque 19 lbf ft 26 N m 2 7 kgf m 2 4 1 6 3 5 1 seat 2 seat front prong 3 seat bracket 4 seat rear prongs 5 tabs 6 seat mounting bolts 17 CRF450X 31MEY710 indb 36 17 CRF450X 31MEY710 indb 36 2016 06 08 11 45 35 201...

Page 42: ... tube 5 fuel tank band 6 air cleaner cover rubber 7 fuel tank bolt 9 Disconnect the fuel line 8 from the fuel valve 9 The fuel line leading to the carburetor must be disconnected not the fuel line leading to the fuel tank 10 Remove the fuel valve bolt 10 and fuel valve 11 Remove the fuel tank Gasoline is highly flammable and explosive You can be burned or seriously injured when handling fuel Stop ...

Page 43: ... 6 Install and hook the fuel tank band 7 7 Put the breather tube 8 in the steering stem nut 8 5 6 7 5 fuel tank bolt 7 fuel tank band 6 air cleaner cover rubber 8 breather tube 8 Install the shrouds 9 by aligning its tab 10 with subframe 11 9 11 10 9 shroud 10 tab 11 subframe 9 Install the shroud B bolts 12 and shroud A bolts collars 13 10 Tighten the shroud B bolts to the specified torque 3 7 lbf...

Page 44: ...r bolt 5 and left side cover 6 6 5 3 4 3 air cleaner housing cover 5 left side cover bolt 4 quick fastener 6 left side cover 4 Remove the muffler page 62 5 Loosen the screw 7 on the air cleaner connecting boot clamp 8 7 8 7 screw 8 air cleaner connecting boot clamp 6 Loosen the subframe upper mounting bolts 9 and remove the subframe lower mounting bolts 10 9 10 9 subframe upper mounting bolts 10 s...

Page 45: ...lower mounting bolts 3 Tighten the subframe upper mounting bolts first then tighten the subframe lower mounting bolts to the specified torque 36 lbf ft 49 N m 5 0 kgf m 1 2 3 1 subframe upper mounting bolts 2 subframe 3 subframe lower mounting bolts 5 Install the muffler page 63 6 Install the left side cover 8 and left side cover bolt 9 Close the air cleaner housing cover 10 and turn the quick fas...

Page 46: ...ealer Never use stale or contaminated gasoline Avoid getting dirt dust or water in the fuel tank Refueling Procedure Fuel Tank Capacity 1 90 US gal 7 2 ℓ 2 1 3 1 fuel fill cap 2 breather tube 3 steering stem nut 1 To open the fuel fill cap 1 pull the breather tube 2 out of the steering stem nut 3 Turn the fuel fill cap counterclockwise and remove it 2 Add fuel until the level reaches the bottom of...

Page 47: ...nes 1 3 Remove the fuel joint 2 from the fuel tank by removing the bolts 3 1 fuel valve and fuel lines 2 fuel joint 3 bolts 1 3 2 4 Wash the fuel filter 4 in high flash point cleaning solvent 5 Check that the O ring 5 is in good condition 6 Install the fuel joint in the fuel tank by tightening the bolts to the specified torque 7 lbf ft 10 N m 1 0 kgf m Attach the fuel valve and fuel lines 7 Instal...

Page 48: ...il Pro Honda GN4 4 stroke oil USA Canada or Honda 4 stroke oil or an equivalent motorcycle oil Suggested 4 stroke engine oils are equal performance to SJ oils that are not labeled as energy conserving or resource conserving on the circular API service label Your CRF does not need oil additives Use the recommended oil Do not use API SH or higher 4 stroke engine oils displaying a circular API energy...

Page 49: ...posal of drained fluids is harmful to the environment 1 2 3 1 engine oil fill cap dipstick 2 engine oil drain bolt 3 sealing washer Checking Adding Oil 1 2 3 1 1 engine oil fill cap dipstick 2 upper level mark 3 lower level mark 1 Run the engine at idle for 3 minutes then shut it off 2 Wait 3 minutes after shutting off the engine to allow the oil to properly distribute itself in the engine 3 Suppo...

Page 50: ...eck the engine oil level by following the steps in Checking Adding Oil page 44 Pour the drained oil into a suitable container and dispose of it in an approved manner page 151 NOTICE Improper disposal of drained fluids is harmful to the environment 8 Remove the oil filter cover bolts 6 oil filter cover 7 and O ring 8 9 Remove the oil filter 9 and spring 10 from the filter cover 10 Apply grease to t...

Page 51: ... stroke oil or an equivalent motorcycle oil Suggested 4 stroke engine oils are equal performance to SJ oils that are not labeled as energy conserving or resource conserving on the circular API service label Your CRF does not need oil additives Use the recommended oil Do not use oils with graphite or molybdenum additives They may adversely affect clutch operation Do not use API SH or higher 4 strok...

Page 52: ...utting off the engine to allow the oil to properly distribute itself in the clutch and transmission 3 Support the CRF in an upright position on a level surface 4 Remove the transmission oil fill cap 1 oil check bolt 2 and sealing washer 3 from the right crankcase cover A small amount of oil should flow out of the oil check bolt hole Allow any excess oil to flow out of the oil check bolt hole If no...

Page 53: ...vides 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 frequently dur...

Page 54: ...ks deterioration and radiator hose clamp for looseness 3 Check the radiator mount for looseness 4 Make sure the siphon hose 2 is connected and not clogged 5 Check the radiator fins for clogging 6 Check the bleed hole 3 below the water pump cover 4 for leakage Check for signs of seal leakage A small amount of weeping from the bleed hole is normal See the Honda Service Manual or consult your dealer ...

Page 55: ...air from the system as follows Shift the transmission into neutral Start the engine and let it idle 2 3 minutes Snap the throttle 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 install...

Page 56: ...rformance and premature engine wear Cleaning 1 Open the air cleaner housing cover 1 by turning the quick fastener 2 counterclockwise 1 2 1 air cleaner housing cover 2 quick fastener 2 Remove the air cleaner element retaining bolt 3 3 Remove the air cleaner element assembly 4 while turning it as shown 4 3 3 air cleaner element retaining bolt 4 air cleaner element assembly 4 Remove the air cleaner e...

Page 57: ... Pro Honda White Lithium Grease or equivalent to the air cleaner housing contact area of the air cleaner element 10 Install the air cleaner element assembly into the air cleaner housing 11 Carefully position the sealing flange of the element to prevent dirt intrusion Align the access tab 10 of the air cleaner element holder with the mark 11 of the air cleaner housing by rotating the air cleaner el...

Page 58: ... breather if you can see deposits in the transparent section of the drain tube Draining 1 Remove the crankcase breather tube plug 1 from the tube 2 and drain the deposits into a suitable container 2 Reinstall the crankcase breather tube plug 1 2 1 crankcase breather tube plug 2 tube 17 CRF450X 31MEY710 indb 53 17 CRF450X 31MEY710 indb 53 2016 06 08 11 45 42 2016 06 08 11 45 42 ...

Page 59: ...ck freeplay 1 Freeplay 1 8 3 16 in 3 5 mm If necessary adjust to the specified range Upper Adjustment Minor adjustments are generally made with the upper adjuster 2 3 4 2 dust cover increase 3 upper lock nut decrease 4 upper adjuster 1 Pull the dust cover 2 back 2 Loosen the upper lock nut 3 3 Turn the upper adjuster 4 Turning the adjuster in direction will decrease freeplay and turning it in dire...

Page 60: ...ions If there is a problem see your dealer 3 Inspect the condition of the throttle cables from the throttle grip down to the carburetor If the cable is kinked or chafed have it replaced 4 Check the cables for tension or stress in all steering positions 5 Lubricate the cables with a commercially available cable lubricant to prevent premature rust and corrosion 17 CRF450X 31MEY710 indb 55 17 CRF450X...

Page 61: ...th the integral cable adjuster Integral Cable Adjustment The integral cable adjuster is used if the cable end adjuster is threaded out near its limit or the correct freeplay cannot be obtained 1 2 1 lock nut increase 2 integral cable adjuster decrease 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 ...

Page 62: ...ot or clutch cable 2 Check the clutch cable for deterioration kinks or damage 3 Remove the six clutch cover bolts 6 and clutch cover 7 7 6 6 clutch cover bolts 7 clutch cover 4 Remove the six clutch spring bolts and clutch springs 8 Loosen the clutch spring bolts in a crisscross pattern in two or three progressive steps 5 Remove the clutch pressure plate 9 8 9 8 clutch spring bolts clutch springs ...

Page 63: ...ee length of each spring Service Limit 1 72 in 43 7 mm Replace the clutch springs as a set if any one of them is below the service limit or if the clutch plates have been burnt heat discolored 6 Remove the washer 10 needle bearing 11 clutch lifter 12 and clutch lifter rod 13 7 Remove the eight clutch discs and seven clutch plates 14 Assemble the clutch lifter needle bearing and washer Turn the nee...

Page 64: ...2 1 1 2 1 1 clutch disc A 2 clutch disc B 3 clutch plates 3 Apply grease to the clutch lifter rod 4 4 Insert the clutch lifter rod into the mainshaft 5 Apply engine oil to the needle bearing 5 and washer 6 and install them to the clutch lifter 7 6 Install the clutch lifter onto the rod 6 5 7 4 4 clutch lifter rod 6 washer 5 needle bearing 7 clutch lifter 7 Install the clutch pressure plate 8 8 Ins...

Page 65: ... the specified range Adjustment Adjustments can be made with the cable end adjuster Loosen the lock nut 1 and turn the adjuster 2 Turning the adjuster clockwise will increase freeplay and turning it counterclockwise will decrease freeplay After adjustment tighten the lock nut 2 1 1 lock nut increase 2 adjuster decrease 17 CRF450X 31MEY710 indb 60 17 CRF450X 31MEY710 indb 60 2016 06 08 11 45 46 201...

Page 66: ... detect them 6 Check the spark plug gap 4 using a wire type feeler gauge If the gap is out of specifications replace the plug with a new one The recommended spark plug gap is 0 039 0 043 in 1 0 1 1 mm 3 sealing gasket 4 spark plug gap 3 4 7 To obtain accurate spark plug readings accelerate up to speed on a straightaway Push the engine stop button and disengage the clutch by pulling the lever in Co...

Page 67: ...sen the muffler clamp bolt 4 3 Remove the rear muffler mounting bolt washer 5 front muffler mounting bolt 6 and muffler 7 4 7 6 5 4 muffler clamp bolt 5 rear muffler mounting bolt washer 6 front muffler mounting bolt 7 muffler Muffler Removal 1 Remove the seat mounting bolt 1 side cover bolt 2 and right side cover 3 1 3 2 1 seat mounting bolt 2 side cover bolt 3 right side cover 17 CRF450X 31MEY71...

Page 68: ...all the right side cover 10 and side cover bolt 11 8 Install the seat mounting bolt 12 and tighten it to the specified torque 19 lbf ft 26 N m 2 7 kgf m 12 10 11 10 right side cover 11 side cover bolt 12 seat mounting bolt Muffler Installation 1 Remove the gasket 1 2 Install the muffler clamp 2 and a new gasket onto the exhaust pipe 3 1 3 2 1 gasket 2 muffler clamp 3 exhaust pipe 3 Install the muf...

Page 69: ...ust pipe joint nuts to the specified torque 15 lbf ft 21 N m 2 1 kgf m 5 Tighten the muffler clamp bolt front muffler mounting bolt and rear muffler mounting bolt page 63 6 Installation can be done in the reverse order of removal Exhaust Pipe Removal 1 Remove the muffler page 62 2 Remove the exhaust pipe joint nuts 1 exhaust pipe 2 and old exhaust pipe gasket 3 2 1 3 1 exhaust pipe joint nuts 2 ex...

Page 70: ...Arrester Inspection The spark arrester must be serviced every 1 000 miles 1 600 km of running or 100 operating hours to maintain its efficiency Regular servicing prevents carbon buildup which can diminish engine performance and also complies with USDA regulations for regular maintenance to assure proper function The spark arrester prevents random sparks from the combustion process in your engine f...

Page 71: ...r Refer to Safety Precautions on page 25 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 the valve clearance when the engine is cold at the intervals specified in the Maintenance Schedule pages 27 28 The checking or adjusting of the valve clearance should be performed while ...

Page 72: ...drive gear bolt 2 clockwise until the punch mark 3 on the primary drive gear aligns with the index mark 4 on the right crankcase cover In this position the piston may either be on the compression or exhaust stroke If the crankshaft passed the punch mark rotate the primary drive gear bolt clockwise again and align the punch mark with the index mark The inspection must be made when the piston is at ...

Page 73: ...ioner fully Then insert the tensioner stopper fully to hold the stopper in the fully retracted position 3 3 tensioner stopper 4 Loosen the cam sprocket bolt 4 Rotate the primary drive gear bolt crankshaft clockwise one turn and remove the other sprocket bolt Rotate the primary drive gear bolt crankshaft clockwise one turn again and remove the remaining sprocket bolt 5 Remove the cam sprocket 5 and...

Page 74: ... camshaft holder assembly Keep the intake valve lifters and the shims separate so you can easily identify the originally installed location such as intake or exhaust right or left 8 7 7 camshaft holder assembly bolts 8 camshaft holder assembly NOTICE Do not let the valve lifters shims decompressor shaft and plunger fall into the crankcase 7 Remove the intake valve lifters 9 decompressor shaft 10 a...

Page 75: ...late the 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 intake valve seat if carbon deposits result in a calculated dimension of over 2 450 mm Reface the exhaust valve seat if carbon deposits result in a cal...

Page 76: ...specified torque 10 lbf ft 14 N m 1 4 kgf m NOTICE Do not let the decompressor shaft and plunger fall into the crankcase Tighten the camshaft holder assembly bolts in a crisscross pattern in two or three steps 9 11 Exhaust side 10 9 camshaft holder assembly 10 intake cam lobes 11 camshaft holder assembly bolts 3 Install the plunger 3 into the camshaft 4 with its rounded surface facing up and groov...

Page 77: ...0 16 18 17 15 cam chain 19 decompressor weight pin 16 cam sprocket 20 decompressor weight 17 timing mark 21 hole 18 mark 22 out side weight pin 9 Clean and apply a locking agent to the cam sprocket bolt 25 threads coating width as shown 23 0 26 0 04 in 6 5 1 0 mm 24 0 04 0 08 in 1 0 2 0 mm 25 23 coating width 24 no coating width 25 cam sprocket bolt 10 Temporarily install the cam sprocket bolt 25 ...

Page 78: ...rting a feeler gauge 27 Valve Clearance IN 0 006 0 001 in 0 16 0 03 mm EX 0 011 0 001 in 0 28 0 03 mm 27 27 27 feeler gauge 15 Install a new sealing washer 28 and tighten the cam chain tensioner lifter cover bolt 29 28 29 28 sealing washer 29 cam chain tensioner lifter cover bolt 11 Check the operation of the plunger 3 by pushing the decompressor weight 20 with your finger and then pushing the plu...

Page 79: ...nder head cover packing 3 for damage or deterioration replace it if necessary Install the cylinder head cover packing into the groove of the cylinder head cover 4 4 3 3 cylinder head cover packing 4 cylinder head cover 3 Check 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 6 6 5 5 rubber seal 6 ...

Page 80: ...he spark plug page 61 7 Connect the spark plug cap 9 and breather tube 10 10 9 9 spark plug cap 10 breather tube 8 Install the fuel tank and seat pages 36 38 17 CRF450X 31MEY710 indb 75 17 CRF450X 31MEY710 indb 75 2016 06 08 11 45 55 2016 06 08 11 45 55 ...

Page 81: ...the PAIR control valve 6 6 1 4 5 3 2 1 bolt A 4 air suction hose 2 bolt B 5 vacuum hose 3 O ring 6 PAIR control valve 12 Remove the cylinder head cover page 66 13 Position the piston at top dead center on the compression stroke page 66 14 Remove the camshaft holder assembly lifters and shims page 68 15 Remove the left radiator grill 7 and left radiator mounting bolts washers 8 7 8 7 left radiator ...

Page 82: ...ate 20 14 18 17 20 17 19 16 15 14 engine hanger nut 15 engine hanger bolt 16 fuel hose guide 17 engine hanger plate bolts 18 clutch cable stay 19 left engine hanger plate 20 right engine hanger plate 19 Remove the cylinder head bolts 21 20 Loosen the cylinder bolt 22 22 21 21 cylinder head bolts 22 cylinder bolt 21 Remove the cylinder head nuts washers 23 and cylinder head 24 Loosen the nuts in a ...

Page 83: ...and remove by lifting it up at a point just opposite the gap NOTICE Do not damage the piston ring by spreading the ends too far 1 1 piston ring Piston Removal 1 Place clean shop towels in the crankcase to keep the piston pin clips or other parts from falling into the crankcase 2 Remove the piston pin clips 1 using a pair of needle nose pliers 3 Press the piston pin 2 out of the piston 3 and remove...

Page 84: ...st then install the side rails Install the top ring on the piston with the marking side facing up 3 After installing the rings they should rotate freely without sticking Space the ring end gaps 180 degrees apart between top ring and upper side rail Space the ring end gaps 90 degrees apart between upper side rail spacer and lower side rail top ring oil ring top ring mark side rail oil ring side rai...

Page 85: ...s 5 NOTICE Use new piston pin clips Never reuse old piston pin clips Do not let the piston pin clips fall into the crankcase Do not align the piston pin clip end gap with the piston cut out 6 Cylinder Installation 1 Clean off any gasket material from the gasket surface of the crankcase being careful not to let any material fall into the crankcase Be careful not to remove any metal from the gasket ...

Page 86: ...t 6 and connect the breather tube 7 to the cylinder 7 6 6 cylinder bolt 7 breather tube 7 Install the cam chain guide 8 and fit the cam chain guide tabs 9 in the cylinder cut outs 10 Push the cam chain guide until it bottoms in the crankcase guide hole 9 8 10 8 cam chain guide 9 cam chain guide tabs 10 cylinder cut outs Cylinder Head Installation 1 Install the dowel pins 1 and new cylinder head ga...

Page 87: ...gf m 6 5 5 cylinder bolt 6 cylinder head bolts 5 Install the left engine hanger plate 7 right engine hanger plate 8 clutch cable stay 9 and engine hanger plate bolts 10 and tighten the engine hanger plate bolts until the engine hanger plates lightly contact the frame 6 Install the engine hanger bolt 11 fuel hose guide 12 and engine hanger nut 13 and tighten the engine hanger nut until it lightly c...

Page 88: ... the cylinder head 14 14 radiator hose 9 Tighten the radiator hose clamp screw 15 as illustrated below 15 0 0 04 in 0 1 0 mm 15 radiator hose clamp screw 10 Install the ignition coil 16 ground wire 17 and bolt 18 then tighten the bolt Connect the primary wire connector 19 Clamp the siphon hose 20 to the clamp 21 19 16 18 17 20 21 16 ignition coil 19 primary wire connector 17 ground wire 20 siphon ...

Page 89: ...ce Check the dust seals for dust dirt and foreign materials Check the oil for any contamination Refer to Suspension Adjustment Guidelines page 131 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 Test ride after each adjustment If you become confused about adjustment settings return to...

Page 90: ...ts Adjusting two or more increments 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 compression and rebound adjusters according to the procedures described in page 127 After adjusting the adjusters simultaneously suspension may be fine tuned by turning one of the compression and ...

Page 91: ... both the outer tube and slider when removing the fork damper 6 7 5 1 1 outer tube 6 fork dust seal 5 slider 7 guide bushing 4 Drain the fork oil from the outer tube 1 Drain the fork oil from the oil holes 8 of the fork damper 8 1 1 outer tube 8 oil holes 5 Drain the fork oil by turning the outer tube 1 upside down About 0 4 US oz 12 cm3 of fork oil will be left in the outer tube when it is left i...

Page 92: ...aximum oil capacity 13 7 US oz 405 cm3 Slightly stiffer as it nears full compression Slightly softer as it nears full compression Minimum oil capacity 10 5 US oz 309 cm3 3 scribe marks 7 Check that the O ring 9 on the fork damper 2 is in good condition Apply the recommended fork oil to the O ring Temporarily install the fork damper to the outer tube 1 After installing the fork leg page 123 tighten...

Page 93: ...to raise the brake pedal 3 or in direction to lower it 2 Tighten the lock nut to the specified torque at the desired pedal height 4 4 lbf ft 5 9 N m 0 6 kgf m 2 1 3 1 lock nut raise the pedal height 2 adjusting bolt lower the pedal height 3 brake pedal Front Brake Lever Adjustment 3 8 13 16 in 10 20 mm 1 2 3 1 lock nut 2 adjuster 3 piston 1 Loosen the lock nut 1 2 To position the brake lever farth...

Page 94: ... bled Refer to the Honda Service Manual or see your dealer for brake bleeding Rear Brake Fluid Level Check 1 1 LOWER mark 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 91 Worn brake pads should be replaced If the pads are not worn have your brake system inspected for...

Page 95: ...illed brake fluid will severely damage instrument lenses and 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 DOT4 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 Pro Honda D...

Page 96: ...2 3 1 1 0 04 in 1 mm 0 04 in 1 mm 1 brake pads 2 front brake caliper 3 brake disc Rear Brake Pads Inspect the brake pads 1 from the rear side of the caliper to determine the pad wear If either pad is worn anywhere to a thickness of 0 04 in 1 mm both pads must be replaced replace 0 04 in 1 mm minimum thickness indicator 3 2 1 1 brake pads 2 rear brake caliper 3 brake disc Other Inspections Check th...

Page 97: ...ce Schedule pages 27 and 28 However information for wheel removal is provided for emergency situations Wheel Rims Spokes 2 3 1 1 wheel rim 2 spoke 3 rim lock 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 front 2 7 lbf ft 3 68 N m 0 4 kgf m rear 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 whe...

Page 98: ... when your tires are cold If you check air pressure when your tires are warm even if your CRF has only been ridden for a few miles the readings will be higher If you let air out of warm tires to match the recommended cold pressures the tires will be underinflated The correct cold tire pressures are Front 15 psi 100 kPa 1 0 kgf cm2 Rear 15 psi 100 kPa 1 0 kgf cm2 If you decide to adjust tire pressu...

Page 99: ...rt or killed Always use the size and type of tires recommended in this owner s manual WARNING Front 80 100 21 51M DUNLOP D742FA Rear 110 100 18 64M DUNLOP D756 Type bias ply tube type When replacing use the original equipment tires or equivalent tires of the same size construction speed rating and load range as the originals Replace the tube any time you replace a tire The old tube will probably b...

Page 100: ...1 for damage and loss of tension 2 Check the side stand assembly for freedom of movement 1 1 side stand spring If the side stand is stiff or squeaky clean the pivot area and lubricate the pivot bolt with grease 17 CRF450X 31MEY710 indb 95 17 CRF450X 31MEY710 indb 95 2016 06 08 11 46 05 2016 06 08 11 46 05 ...

Page 101: ...en the drive 2 and driven sprockets 3 Drive chain slack should allow the following vertical movement by hand 1 1 3 8 in 25 35 mm NOTICE Excessive chain slack may allow the drive chain to damage the engine cases 1 2 3 1 drive chain slack 2 drive sprocket 3 driven sprocket If the chain is found to be slack in one segment of its length and taut in another this indicates that some of the links are eit...

Page 102: ...ceable 3 Measure the drive chain plate 1 If the drive chain plate is worn anywhere to a thickness of 0 53 in 13 4 mm the drive chain must be replaced Replacement chain Size link DID520MXV 114 0 53 in 13 4 mm 1 1 drive chain plate inner 4 Inspect the sprocket teeth for possible wear or damage Replace them if necessary Never install a new drive chain on badly worn sprockets or use new sprockets with...

Page 103: ...ns may contain solvents which could damage the O rings Drive Chain Rollers 1 Measure the diameter of the upper 1 and lower drive chain rollers 2 Replace them if below the service limit Service Limit UPPER ROLLER 1 5 in 39 mm LOWER ROLLER 1 4 in 35 mm 2 Replace the roller if necessary as follows Install the upper drive chain roller Green with the mark 3 facing toward the frame and lower drive chain...

Page 104: ...eak in test run your CRF with the steering damper at the standard setting before making any adjustments Check the spherical bearings and dust seal for dust dirt and foreign materials Make all damping adjustments in one click increments Adjusting two or more clicks at a time may cause you to pass over the best adjustment Test ride after each adjustment If you have a problem finding an acceptable ad...

Page 105: ...val 1 Remove the front visor page 99 2 Remove the steering damper mounting bolts 1 collar A 2 collar B 3 and steering damper 4 4 1 2 3 1 steering damper mounting bolts 2 collar A 3 collar B 4 steering damper 5 Connect the headlight connector 3 Install the front visor 2 by aligning its grommets 7 with the tabs 8 on the steering stem Install and tighten the front visor bolts 1 8 7 2 3 2 front visor ...

Page 106: ...tall the collar A and collar B with its wide flange side facing toward the steering head pipe side 4 Tighten the steering damper mounting bolts to the specified torque 15 lbf ft 20 N m 2 0 kgf m 4 1 2 5 6 3 1 steering damper 2 UP mark 3 stopper ring 4 collar A 5 collar B 6 steering damper mounting bolts 2 Check the condition of the spherical bearings 2 Move the spherical bearing with your finger T...

Page 107: ...k the torque of the handlebar upper holder bolts 3 16 lbf ft 22 N m 2 2 kgf m Tighten the front bolts first 2 1 3 1 handlebar 2 paint mark 3 handlebar upper holder bolts Control Cables Periodically disconnect the throttle clutch and hot start cables at their upper ends Thoroughly lubricate the cable pivot points with a commercially available cable lubricant If the clutch lever hot start lever and ...

Page 108: ...bolt Coolant drain bolt ENGINE Torque lbf ft N m kgf m 7 7 7 7 11 7 7 7 15 23 12 12 7 10 10 10 10 15 10 10 10 21 31 16 16 10 1 0 1 0 1 0 1 0 1 5 1 0 1 0 1 0 2 1 3 2 1 6 1 6 1 0 1 cylinder head cover bolts 2 clutch cover bolts 3 water pump cover bolts 4 transmission oil check bolt 5 crankshaft hole cap 9 exhaust pipe joint nuts 13 coolant drain bolt 1 9 5 4 2 3 13 8 10 7 12 11 6 RIGHT SIDE LEFT SID...

Page 109: ... first You will get the best storage results from removing the battery and slow charging it every 30 days see Battery Charging on page 105 Before you remove the battery be sure to read all the information that follows as well as the information on the battery label The battery gives off explosive hydrogen gas during normal operation A spark or flame can cause the battery to explode with enough for...

Page 110: ...e purchased from your dealer These units can be left connected for long periods without risking damage to the battery However do not intentionally leave the charger connected longer than the time period recommended in the charger s instructions Avoid using an automotive type battery charger An automotive charger can overheat a motorcycle battery and cause permanent damage 1 1 charger 17 CRF450X 31...

Page 111: ...8 of the headlight unit If you touch the bulb with your bare hands clean it with a cloth moistened with denatured alcohol to prevent early bulb failure 6 7 8 6 headlight bulb 7 tab 8 groove 5 To install the headlight bulb socket 5 push and turn it clockwise 6 Install the dust cover 4 tightly against the headlight unit with its TOP mark 9 facing up 4 9 5 4 dust cover 5 headlight bulb socket 9 TOP m...

Page 112: ...light does not function properly see your dealer for service This model is equipped with an electric starter and battery for easy engine starting There is a possibility of damage to the lighting system if the battery is carelessly removed Never kick start the engine without the battery connected If it becomes necessary to kick start the engine with the battery removed remove the relays to the batt...

Page 113: ...e 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 the Pro Honda Hondabrite and rinse with a garden hose at full pressure Stubborn deposits may require a quick wipe with a sponge Washing Your Motorcycle with a Mild Detergent 1 Rinse your CRF thoroughly with cool water t...

Page 114: ...llel to the length of the frame NOTICE Do not use steel wool to clean the frame as it could damage or discolor the frame surface Muffler stain remover Scotch Brite Hand Pad 7447 maroon is for removing stains on the non coated aluminum frame only Exhaust Pipe And Muffler Maintenance The exhaust pipe and muffler are stainless steel but may become stained by mud or dust To remove mud or dust use a we...

Page 115: ...110 Servicing Your Honda 17 CRF450X 31MEY710 indb 110 17 CRF450X 31MEY710 indb 110 2016 06 08 11 46 09 2016 06 08 11 46 09 ...

Page 116: ...stalling the optional fork springs of a similar rate Front Suspension Adjustments 112 Front Suspension Air Pressure 112 Front Suspension Damping 112 Fork Springs 113 Front Suspension Disassembly 113 Damper Oil Change 117 Fork Assembly 120 Rear Suspension Adjustments 126 Rear Suspension Spring Pre Load 126 Rear Suspension Damping 127 Rear Suspension Race Sag 128 Suspension Adjustments for Track Con...

Page 117: ... the ground before you release the pressure The air pressure should be adjusted according to the altitude and outside temperature 1 Place an optional workstand under the engine so that the front wheel is off the ground Do not adjust air pressure with the front wheel on the ground as this will give false pressure readings 2 Remove the fork air pressure release screw 1 3 Check that the O ring 2 is i...

Page 118: ... position 1 2 1 rebound damping adjuster 2 compression damping adjuster Fork Springs The fork springs in CRF s are about right for riders weighing between 150 lb 68 kg and 160 lb 73 kg less riding gear So if you re a heavier rider you have to go up on the oil capacity or get a stiffer spring Do not use less oil than the minimum specified for each spring or there will be a loss of rebound damping c...

Page 119: ...3 11 12 10 tripmeter cable 12 axle pinch bolts 11 front axle nut 13 front axle shaft 8 Remove the fork protector bolts 14 tripmeter cable clamp screws 15 brake hose clamp bolts 16 and fork protectors 17 Remove the brake caliper mounting bolts 18 and brake caliper 19 The fork protector bolts and caliper mounting bolts have a locking agent applied 1 Place your CRF on an optional workstand or equival...

Page 120: ...oved To avoid damage hold both the outer tube and slider when removing the fork damper 27 22 24 26 22 fork dust seal 26 slider 24 outer tube 27 guide bushing 13 Drain the fork oil from the outer tube slider 28 Drain the fork oil from the oil holes 29 of the fork damper 28 29 28 outer tube slider 29 oil holes Do not support the brake caliper by the brake hose Do not operate the brake lever after th...

Page 121: ...mm Push out the fork center bolt 30 from the axle holder 25 of the slider by pushing the fork damper While the fork center bolt is pushed out install the piston base 31 or a mechanic s stopper tool between the axle holder and fork center bolt lock nut 32 19 Hold the fork center bolt lock nut and remove the fork center bolt from the fork damper NOTICE Do not remove the lock nut from the fork damper...

Page 122: ...rk cap bushing Do not disassemble the fork cap assembly Replace the fork cap as an assembly if it is damaged 1 2 1 fork damper 2 fork cap assembly 4 Empty the fork oil from the oil holes 4 of the fork damper spring chamber 5 by pumping the damper rod several times 5 4 4 oil holes 5 fork damper spring chamber 5 Clean the fork cap and fork damper threads Damper Oil Change 1 Place the fork damper 1 i...

Page 123: ...the specified torque 22 Ibf ft 30 N m 3 1 kgf m 1 3 2 1 fork damper 2 fork cap assembly 3 lock nut wrench 12 Hold the fork damper 1 in an upright position and pump the fork damper piston rod 6 to 3 9 in 100 mm slowly several times 1 6 1 fork damper 6 fork damper piston rod 8 Extend the fork damper piston rod to maximum Adjust the oil level of the fork damper 1 as shown Oil Level 1 7 1 9 in 42 47 m...

Page 124: ... 5 fork damper spring chamber 10 soft jaws 16 Blow out the oil from the fork damper spring chamber using compressed air to the oil hole Wipe the oil completely off the fork damper 17 If you can not use compressed air remove the fork air pressure release screw 11 on the fork cap 12 Hold the fork damper upside down for 10 minutes and drain the oil from the fork damper spring chamber 12 11 11 fork ai...

Page 125: ...hread length A as shown Standard 0 4 0 5 in 11 13 mm Wipe the oil completely off the fork damper 2 A 2 fork center bolt lock nut A thread length 3 Blow out the oil completely off the fork spring 3 using the compressed air Install the fork spring Install the fork damper assembly 4 to the fork assembly 1 4 3 1 1 fork assembly 3 fork spring 4 fork damper assembly Amount of fork oil left in the fork w...

Page 126: ... adjusting rod 8 Measure the length of the fork center bolt lock nut 2 and fork center bolt 8 clearance Standard 0 06 0 08 in 1 5 2 0 mm If the clearance is out of specification check the fork center bolt lock nut and fork center bolt installation 2 8 2 fork center bolt lock nut 8 fork center bolt 9 Tighten the fork center bolt lock nut 2 to the fork center bolt 8 closely by hand Tighten the fork ...

Page 127: ...sembly 11 fork oil Fork Oil Capacity Standard 26 32 lbf in 4 61 N mm Fork Spring Standard oil capacity 11 0 US oz 324 cm3 Maximum oil capacity 13 6 US oz 402 cm3 Slightly stiffer as it nears full compression Slightly softer as it nears full compression Minimum oil capacity 10 3 US oz 306 cm3 Optional Softer 25 18 lbf in 4 41 N mm Fork Spring Standard oil capacity 11 2 US oz 330 cm3 Maximum oil cap...

Page 128: ...rage so the torque wrench reading will be less than the torque actually applied to the fork damper 15 14 14 fork damper 15 lock nut wrench 18 For ease of releasing air pressure after the forks are installed loosen the fork bridge lower pinch bolts and position the outer tubes so that the fork air pressure release screws 16 are in front of the compression damping adjusters 17 Align 18 the top of th...

Page 129: ...brake caliper thoroughly Apply locking agent to the bolt threads Install the brake caliper on the slider and tighten the caliper mounting bolts to the specified torque 22 Ibf ft 30 N m 3 1 kgf m 26 27 24 25 23 27 22 22 22 fork protector bolts 23 fork protectors 24 brake hose clamp bolts 25 tripmeter cable clamp screws 26 brake caliper 27 brake caliper mounting bolts 24 Check the left side collar 2...

Page 130: ... 15 Ibf ft 20 N m 2 0 kgf m NOTICE To avoid damage when torquing the axle pinch bolts be sure the axle is seated firmly onto the right fork leg clamp inner surface 30 Connect the tripmeter cable 42 and tighten the lock nut securely 41 42 41 right axle pinch bolts 42 tripmeter cable 31 Install the disc cover 43 and tighten the disc cover bolts 44 to the specified torque 10 Ibf ft 13 N m 1 3 kgf m 4...

Page 131: ...ut enough part throttle break in time about 1 hour on it to ensure that the suspension has worked in Rear Suspension Spring Pre Load Pre load should be adjusted when the engine is cold because it is necessary to remove the muffler page 62 Optional pin spanners are available for turning the lock nut and adjusting nut to adjust spring pre load 1 Place your CRF on an optional workstand or equivalent ...

Page 132: ...he full hard setting 2 Turn the adjuster counterclockwise 7 12 1 1 12 turns and the punch marks are aligned Low Speed Compression Damping The low speed compression damping can be adjusted by turning the center screw of the compression adjuster The low speed compression damping adjuster has 13 positions or more Turning the adjuster one full turn clockwise advances the adjuster 4 positions To adjust...

Page 133: ...vel toward the more progressive end of its range 5 Measure the loaded without rider dimension Do this with your CRF set at the standard race sag BIKE LOADED without rider EXAMPLE 21 7 in 550 mm Example Unloaded 23 6 in 600 mm Loaded 21 7 in 550 mm Sag 2 0 in 50 mm Without Rider Rear Suspension Race Sag Setting the proper race sag ride height is very important for competition use Race sag refers to...

Page 134: ...tance your rear suspension should sag from the weight of the sprung portion of your CRF With the spring pre load set to obtain the proper race sag the rear suspension should sag 0 4 to 1 0 in 10 to 25 mm If the rear of your CRF sags less than 0 4 in 10 mm from its own weight the spring is too stiff for your weight It is not compressed enough even though you have the proper race sag adjustment As a...

Page 135: ... especially if you are heavier than the average rider Your CRF may be undersprung 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 compression and rebound If you run softer rebound dampi...

Page 136: ...ft 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 problem install the optional stiff spring Fi...

Page 137: ...tments 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 downhill bumps Stiff on large bumps when corn...

Page 138: ...igh 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 stiff replace the spri...

Page 139: ...oke knob 1 is pulled out fuel is metered by the starter jet 2 and is mixed with air from the air passage 3 located above the throttle valve 4 to provide a rich mixture for starting The mixture discharges through the orifice 5 into the cylinder 2 5 1 3 4 1 choke knob 4 throttle valve 2 starter jet 5 orifice 3 air passage Hot Start Circuit A lean mixture must be delivered to the cylinder when a hot ...

Page 140: ...jet 1 and mixed with air from the air passage 2 The mixture enters the venturi through the bypass 3 and pilot outlet 4 that has been metered by the pilot screw 5 3 2 1 5 4 1 slow jet 4 pilot outlet 2 air passage 5 pilot screw 3 bypass Main Circuit Fuel is metered by the main jet 1 jet needle 2 and needle jet 3 It is then mixed with air coming from the air jet 4 and enters the venturi past the need...

Page 141: ...rain the carburetor into an approved gasoline container and dispose of it in an approved manner page 151 NOTICE Improper disposal of drained fluids is harmful to the environment 1 1 carburetor drain screw 7 Tighten the carburetor drain screw 8 Remove the shock absorber upper mounting nut 2 and bolt 3 3 2 2 shock absorber upper mounting nut 3 shock absorber upper mounting bolt 9 Disconnect the thro...

Page 142: ...er bolt 11 throttle drum cover 13 Loosen the throttle cable lock nut 12 adjuster 13 throttle cable bolt 14 and disconnect the throttle cables 15 from the throttle drum 16 16 12 14 13 15 12 throttle cable lock nut 15 throttle cables 13 adjuster 16 throttle drum 14 throttle cable bolt cont d 4 Remove the link arm torx screw 6 and throttle valve 5 When installing the link arm torx screw apply a locki...

Page 143: ...ump cover 11 make sure the U ring flat side faces down away from the float bowl 16 12 11 16 15 12 14 13 11 accelerator pump cover 14 spring 12 U ring 15 diaphragm 13 O ring 16 float bowl 8 Remove the holder screw 17 throttle stop screw holder 18 float bowl screws 19 tube guides 20 and float bowl 16 17 19 16 18 20 16 float bowl 17 holder screw 18 throttle stop screw holder 19 float bowl screws 20 t...

Page 144: ... screw 1 5 lbf ft 2 1 N m 0 2 kgf m throttle drum cover bolt 2 5 lbf ft 3 4 N m 0 3 kgf m hot start cable nut 1 5 lbf ft 2 1 N m 0 2 kgf m throttle cable lock nut 3 0 lbf ft 4 0 N m 0 4 kgf m throttle cable bolt 3 0 lbf ft 4 0 N m 0 4 kgf m shock absorber upper mounting nut 32 lbf ft 44 N m 4 5 kgf m Tighten the insulator band screw 1 so the insulator band distance is 0 5 0 04 in 12 1 mm Route the...

Page 145: ...ine 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 Keep the motorcycle in an upright position 5 Adjust idle speed with the throttle stop screw 1 Idle speed 1 700 100 rpm 1 1 throttle stop screw 17 CRF450X 31MEY710 indb 140 17 CRF450X 31MEY710 indb 140 2016 06 08 11 46 25 2016 06 08 11 46 25 ...

Page 146: ... 9 clicks Damping can be increased by turning the adjuster clockwise NOTICE Always start with full hard when adjusting damping Do not turn the adjuster more than the given positions or the adjuster may be damaged Be sure that the steering damper adjuster is firmly located in a detent and not between positions 1 1 steering damper adjuster Steering Damper Adjustment The steering damper can be adjust...

Page 147: ... a time may cause you to pass over the best adjustment Test ride after each adjustment Symptom Action Steering is wobbling on large bumps Adjust the steering damper adjuster to stiffer setting Steering is wobbling at sand track Adjust the steering damper adjuster to stiffer setting Steering is heavy when cornering Adjust the steering damper adjuster to softer setting Steering Damper Adjustment Gui...

Page 148: ...e Standard Position The position of the outer tubes in the clamps is not adjustable Align the top of outer tube 1 with the top of upper fork clamp 2 STANDARD POSITON Wheelbase 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 recheck the race sag and adjust if ne...

Page 149: ...e day with a slick rock hard consistency Ideally your gearing should be adjusted to suit all these conditions Wet and slippery or sandy conditions use a higher gear less teeth to keep engine rpm down and avoid unwanted wheelspin The engine may bog in certain corners so you ll need to slip the clutch to compensate downshifting may be too drastic a change in speed Average conditions use the standard...

Page 150: ...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 the transmission Complete consumer informatio...

Page 151: ...on your CRF Handlebar Position Width Shape Position the handlebar so that both gripping the bar and operating the controls is comfortable while both seated and standing while riding straight ahead and turning Tighten the forward bolts first The handlebar position may be moved rearward either 0 1 in 3 mm using optional handlebar lower holders or 0 2 in 6 mm by rotating the standard holders 180 degr...

Page 152: ...as three troubleshooting flow charts Transporting Your Motorcycle 148 Storing Your Honda 149 Preparation for Storage 149 Removal from Storage 150 You the Environment 151 Troubleshooting 152 17 CRF450X 31MEY710 indb 147 17 CRF450X 31MEY710 indb 147 2016 06 08 11 46 26 2016 06 08 11 46 26 ...

Page 153: ... to the tie down hooks on your CRF 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 Too much pressure is unnecessary and could damage the fork seals Use another tie down st...

Page 154: ...ve tank from the frame and drain the reserve tank coolant Empty the reserve tank coolant and rinse the inside of the reserve tank with water 7 9 8 7 reserve tank cap 8 siphon hose 9 reserve tank 8 Reinstall the reserve tank and reserve tank cap and connect the siphon hose If you won t be riding for an extended period such as during the winter thoroughly inspect your Honda and correct any problem b...

Page 155: ...e pages 44 47 2 Uncover the end of the muffler and remove the rag from the muffler outlet 3 Fill the fuel tank with recommended fuel page 41 4 Charge the battery page 105 as required Install the battery 5 Pour a fresh recommended coolant mixture page 48 slowly into the radiator filler hole up to the filler neck Capacity 1 53 US qt 1 45 ℓ After disassembly 1 28 US qt 1 21 ℓ After draining Remove th...

Page 156: ...or 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 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 toxic wastes in separate sealed containers ...

Page 157: ...gnition control module Broken or shorted spark plug wire Faulty exciter coil Broken or shorted ignition coil Faulty engine stop button Loose or disconnected ignition system wires Faulty ignition pulse generator 3 Test cylinder compression CORRECT Valve stuck open Worn cylinder and piston ring Leaking damaged cylinder head gasket Improper valve timing Seized valve 4 Start by following normal starti...

Page 158: ...g Care of the Unexpected This section gives practical advice to help you solve problems If a Fuse Blows 154 If Your Battery Is Low or Dead 155 17 CRF450X 31MEY710 indb 153 17 CRF450X 31MEY710 indb 153 2016 06 08 11 46 27 2016 06 08 11 46 27 ...

Page 159: ... 4 Disconnect the wire connector 6 of the starter magnetic switch 5 Pull out the main fuse 7 If it is blown 8 install the spare main fuse 9 6 7 9 5 8 5 starter magnetic switch 6 wire connector 7 main fuse 8 blown fuse 9 spare main fuse 6 Reconnect the wire connector and install the starter magnetic switch If you do not have a replacement fuse with the proper rating for the circuit install one with...

Page 160: ...ry The greater amperage of an automobile battery when the car engine is running can damage your CRF s electrical system Bump starting is also not recommended If you can t charge the battery or it appears unable to hold a charge see your dealer 17 CRF450X 31MEY710 indb 155 17 CRF450X 31MEY710 indb 155 2016 06 08 11 46 27 2016 06 08 11 46 27 ...

Page 161: ...156 Taking Care of the Unexpected 17 CRF450X 31MEY710 indb 156 17 CRF450X 31MEY710 indb 156 2016 06 08 11 46 27 2016 06 08 11 46 27 ...

Page 162: ...ta Vehicle Identification 158 Specifications 159 Torque Specifications 160 Emission Control Systems 164 Oxygenated Fuels 166 Competition Logbook 167 Optional Parts List 169 Spare Parts Equipment 170 Wiring Diagram 171 17 CRF450X 31MEY710 indb 157 17 CRF450X 31MEY710 indb 157 2016 06 08 11 46 27 2016 06 08 11 46 27 ...

Page 163: ...ordering replacement parts You may record these numbers in the Quick Reference section at the rear of the manual The VIN 1 is stamped on the right side of the steering head RIGHT SIDE 1 1 VIN The engine number 2 is stamped on the left crankcase LEFT SIDE 2 2 engine number 17 CRF450X 31MEY710 indb 158 17 CRF450X 31MEY710 indb 158 2016 06 08 11 46 27 2016 06 08 11 46 27 ...

Page 164: ...n oil capacity After draining Type Identification number Main jet Jet needle Piston valve FCR13C 145 NNEU Slow jet Pilot screw opening Float level Idle speed Liquid cooled 4 stroke 45 1 1 8 turns out 1 700 100 rpm Type Metric 0 67 ℓ 0 70 ℓ 0 87 ℓ 0 65 ℓ 0 75 ℓ 96 0 x 62 1 mm 8 0 mm Engine Carburetor 12 0 1 Valve clearance cold Intake 0 006 0 001 in 0 16 0 03 mm Exhaust 0 011 0 001 in 0 28 0 03 mm ...

Page 165: ...r head bolts Exhaust pipe joint nuts Drive sprocket bolt Engine oil drain bolt Transmission oil drain bolt Coolant drain bolt Torque Remarks lbf ft N m kgf m 7 7 7 7 11 7 7 7 15 23 12 12 7 10 10 10 10 15 10 10 10 21 31 16 16 10 1 0 1 0 1 0 1 0 1 5 1 0 1 0 1 0 2 1 3 2 1 6 1 6 1 0 1 UBS bolt 2 Apply grease to the threads 3 Apply oil to the threads and seating surface NOTES NOTE 1 NOTE 3 NOTE 3 NOTE ...

Page 166: ...m side shock link side Rear shock link nuts Shock spring lock nut Kickstarter arm bolt Shroud B bolts FRAME Torque Remarks lbf ft 80 16 15 16 32 65 15 94 20 40 40 40 19 32 32 65 25 22 39 39 39 32 28 3 7 N m 108 22 20 22 44 88 20 128 27 54 54 54 26 44 44 88 34 30 53 53 53 44 38 5 kgf m 11 0 2 2 2 0 2 2 4 5 9 0 2 0 13 1 2 8 5 5 5 5 5 5 2 7 4 5 4 5 9 0 3 5 3 1 5 4 5 4 5 4 4 5 3 9 0 5 NOTE 1 NOTE 2 NO...

Page 167: ...t brake hose guide bolts Muffler mounting bolts front rear Muffler clamp bolt Driven sprocket nuts Seat mounting bolts Torque Remarks lbf ft N m kgf m 4 4 4 4 7 3 25 22 12 12 27 2 7 2 7 9 36 36 9 9 51 16 10 5 2 0 5 3 8 19 19 15 24 19 6 5 9 9 9 34 30 16 16 36 3 68 3 7 12 49 49 12 12 69 22 13 7 0 7 5 2 26 26 21 32 26 0 6 0 6 1 0 3 5 3 1 1 6 1 6 3 7 0 4 0 4 1 2 5 0 5 0 1 2 1 2 7 0 2 2 1 3 0 7 0 1 0 5...

Page 168: ...djuster lock nuts Torque Remarks lbf ft N m kgf m 44 45 46 47 48 49 50 0 7 0 7 0 9 41 22 15 7 3 0 1 1 1 2 55 30 20 10 4 0 1 0 1 0 1 5 6 3 1 2 0 1 0 0 4 NOTE 5 1 U nut 2 UBS nut 3 SH bolt 4 Apply locking agent to the threads 5 Alock bolt replace with a new one 6 Apply molybdenum oil to the threads and flange surface 7 Apply a seizure inhibitor Three Bond 1901 or equivalent to the bolt threads NOTES...

Page 169: ...ated 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 BELOW Removal of or puncturing the muffler baffles header pipes or any ...

Page 170: ...ion system introduces filtered air into the 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 Crankcase Emission Control System The engine is equipped with a closed crankcase system to prevent discharging crankcase emissions into t...

Page 171: ...asohol METHANOL methyl or wood alcohol up to 5 by Volume You may use gasoline containing methanol containing up to 15 methanol by volume as long as it 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 plastic parts of your fuel system If you no...

Page 172: ...sion components Timekeeping This Manual lists maintenance intervals for every so many hours of running 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 benefit of an electrical hourmeter All running time is br...

Page 173: ...ing Time Location Event Comments Suspension Settings Gearing Chassis Adjustments Maintenance Performed etc Make several photocopies of this page for future use 17 CRF450X 31MEY710 indb 168 17 CRF450X 31MEY710 indb 168 2016 06 08 11 46 29 2016 06 08 11 46 29 ...

Page 174: ...n 4 61 N mm 25 18 lbf in 4 41 N mm 27 47 lbf in 4 81 N mm FRAME Remarks Driven sprocket Standard Drive chain links 51 Teeth Aluminum 114 Optional 50 Teeth Aluminum 114 Optional no offset 52 Teeth Aluminum 116 Handlebar lower holder Standard 3 mm offset Red Blue 319 2 lbf in 55 9 N mm Pink These parts and tools may be ordered from your dealer TOOLS Remarks For checking tire air pressure Pin spanner...

Page 175: ... click stop style pliers standard needle nose channel lock set hammer plastic head syringe with adjustable stop tire pressure gauge tire irons tire pump or air tank feeler gauge set vernier caliper metric pressure vacuum testing equipment USA only Honda Special Tools Any special tools for your CRF purchased from your dealer Lock Nut Wrench 07WMA KZ30100 Tensioner Stopper 07AMG 001A100 Spoke Wrench...

Page 176: ...Technical Information 171 Wiring Diagram 17 CRF450X 31MEY710 indb 171 17 CRF450X 31MEY710 indb 171 2016 06 08 11 46 29 2016 06 08 11 46 29 ...

Page 177: ...172 Technical Information 17 CRF450X 31MEY710 indb 172 17 CRF450X 31MEY710 indb 172 2016 06 08 11 46 29 2016 06 08 11 46 29 ...

Page 178: ... Honda and how to get an official Honda service manual Authorized Manuals 174 Warranty Coverage 175 Warranty Service 176 Contacting Honda 177 Your Honda Dealer 178 The Honda Rider s Club USA only 179 17 CRF450X 31MEY710 indb 173 17 CRF450X 31MEY710 indb 173 2016 06 08 11 46 29 2016 06 08 11 46 29 ...

Page 179: ...otorcycle 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 Publication Item No Description 61MEY10 2017 CRF450X Service Manual 61CSM00 Common Service Manual S9507 Winter Storage Guide 31MEY...

Page 180: ...he Warranty Booklet posted on our website at www honda ca 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 prop...

Page 181: ...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 of the situation we suggest you dis...

Page 182: ...ences with your Honda 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 Canada Honda Canada Inc Customer Relations Dept 180 Honda Boulevard Markham Ontario L6C 0H9 telephone 888 946 6329 facsimile 877 939 0909 E mail honda_cr ch honda com Please include...

Page 183: ...nd products Canada only 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 You ll also find that your dealer is a source of information USA only about the Honda Rider s Club of America ...

Page 184: ...der s Club USA only The Honda Rider s Club of America HRCA sponsors local riding chapters at Authorized Honda Dealerships across the country 17 CRF450X 31MEY710 indb 179 17 CRF450X 31MEY710 indb 179 2016 06 08 11 46 29 2016 06 08 11 46 29 ...

Page 185: ...8 chain drive 96 chassis adjustment for track conditions 143 choke knob 15 cleaner air 51 cleaning appearance care 108 clutch system adjustment 56 competition logbook 167 consumer information 173 contacting Honda 177 controls operating 7 coolant 48 customer service 178 cylinder system 77 D damping adjustments front 112 rear 127 dealer your Honda 178 diagram wiring 171 drive chain 96 E engine flood...

Page 186: ...kets 169 oxygenated fuels 166 P pads brake 91 parts optional 169 personal fit adjustments 146 pinging engine 41 plug spark 61 pre load rear suspension 126 pre ride inspection 11 protective apparel 2 R rear suspension maintenance 85 Rider s Club Honda 179 riding apparel 2 basic operation 13 before 9 important safety information 2 safety precautions 2 S safety a few words about Safety Messages impor...

Page 187: ... 93 selection 94 tools 169 torque specifications carburetor 139 engine 160 frame 161 163 transmission oil 46 transporting 148 tripmeter 14 troubleshooting 152 tubes replacing 93 tuning tips 134 V valve clearance 66 valve fuel 15 vehicle identification no VIN 158 W warranty coverage 175 extended 175 washing your motorcycle 108 weight limit 3 wheels 92 wiring diagram 171 17 CRF450X 31MEY710 indb 182...

Page 188: ...type Tire Pressure cold Front 15 psi 100 kPa 1 0 kgf cm2 Rear 15 psi 100 kPa 1 0 kgf cm2 Spark Plug standard IFR8H11 NGK or VK24PRZ11 DENSO optional IFR9H11 NGK or VK27PRZ11 DENSO Coolant ethylene glycol antifreeze silicate free for aluminum engines in 50 50 solution with Pro Honda HP Coolant or an equivalent distilled water Fuse main 15 A Drive Chain Size Link DID 520MXV 114 Quick Reference The f...

Page 189: ... symbols are used in Operating Controls and Basic Operating Instructions sections SYMBOL COMPONENT SEE PAGE choke knob 8 15 START button 8 15 17 CRF450X 31MEY710 indb 184 17 CRF450X 31MEY710 indb 184 2016 06 08 11 46 30 2016 06 08 11 46 30 ...

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