Honda CRF450RX Manual Download Page 7

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Safety Guidelines.................................................

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Safety Labels.........................................................

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Image Labels.........................................................

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Safety Precautions.............................................

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Riding Precautions............................................

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Accessories & Modifications...........................

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20210720082450_42MKE6020_eng_BOOK Page 7 Tuesday, July 20 2021 08:26:26 JST

This section contains important information for safe riding of your vehicle.
Please read this section carefully.

Vehicle Safety

Summary of Contents for CRF450RX

Page 1: ...le before printing Honda Motor Co Ltd reserves the right to make changes at any time without notice and without incurring any obligation No part of this publication may be reproduced without written permission The vehicle pictured in this owner s manual may not match your actual vehicle 2021 Honda Motor Co Ltd 20210720082450_42MKE6020_eng_BOOK Page 1 Tuesday July 20 2021 08 26 26 JST ...

Page 2: ... COMPETITIVE EVENT UPON A CLOSED COURSE WHICH IS CONDUCTED UNDER THE AUSPICES OF A RECOGNIZED SANCTIONING BODY OR BY PERMIT ISSUED BY THE LOCAL GOVERNMENTAL AUTHORITY HAVING JURISDICTION FIRST DETERMINE THAT OPERATION IS LEGAL OPERATOR ONLY NO PASSENGERS This vehicle is designed and constructed as an operator only model The vehicle load limit and seating configuration do not safely permit the carr...

Page 3: ...test off road racing motocross technology and is intended for competition use in sanctioned closedcourse events by experienced riders only Be aware that off road racing motocross is a physically demanding sport that requires more than just a fine vehicle To do well you must be in excellent physical condition and be a skillful rider For the best results work diligently on your physical conditioning...

Page 4: ...messages contained in this owner s manual competition handbook and on the vehicle The following codes in this manual indicate each country The illustrations here in are based on the CRF450RX type Country Codes Code CRF450RX Country ED European direct sales CRF450R ED European direct sales U Australia New Zealand The specifications may vary with each locale 20210720082450_42MKE6020_eng_BOOK Page 4 ...

Page 5: ...ou must use your own good judgement You will find important safety information in a variety of forms including Safety labels on the vehicle Safety Messages preceded by a safety alert symbol and one of three signal words DANGER WARNING or CAUTION These signal words mean 3DANGER You WILL be KILLED or SERIOUSLY HURT if you don t follow instructions 3WARNING You CAN be KILLED or SERIOUSLY HURT if you ...

Page 6: ...Contents Vehicle Safety P 2 Operation Guide P 16 Maintenance P 35 Troubleshooting P 54 Information P 60 Specifications P 71 20210720082450_42MKE6020_eng_BOOK Page 6 Tuesday July 20 2021 08 26 26 JST ...

Page 7: ...cautions P 11 Riding Precautions P 12 Accessories Modifications P 15 20210720082450_42MKE6020_eng_BOOK Page 7 Tuesday July 20 2021 08 26 26 JST This section contains important information for safe riding of your vehicle Please read this section carefully Vehicle Safety ...

Page 8: ...iding Make sure that you are physically fit mentally focused and free of alcohol and drugs Check that you are wearing an approved helmet and protective apparel Take Time to Get to Know Your Vehicle Because every motorcycle is unique take time to become thoroughly familiar with how this one operates and responds to your commands before placing your machine and yourself in competition Ride within Yo...

Page 9: ...onda in Safe Condition Maintaining your vehicle properly is critical to your safety A loose bolt for example can cause a breakdown in which you can be seriously injured Lithium Ion Li Ion Battery If you smell an unusual odor coming from the lithium ion li ion battery park your vehicle in a safe place outside and away from flammable objects then stop the engine Have your vehicle inspected by your d...

Page 10: ...oxide Never run your vehicle inside a garage or other enclosure 3WARNING 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 colourless odorless gas can quickly cause unconsciousness and lead to death Only run your vehicle s engine when it is located in a well ventilated area outdoors 2021072...

Page 11: ...d may warn you of potential hazards that could cause serious injury Read these labels carefully and don t remove them If a label comes off or becomes hard to read contact your dealer for a replacement 20210720082450_42MKE6020_eng_BOOK Page 11 Tuesday July 20 2021 08 26 26 JST Safety Labels Vehicle Safety 6 ...

Page 12: ...20210720082450_42MKE6020_eng_BOOK Page 12 Tuesday July 20 2021 08 26 26 JST Safety Labels Vehicle Safety 7 ...

Page 13: ...ol and label are as follows Read instructions contained in Owner s Manual carefully Read instructions contained in Shop Manual carefully In the interest of safety take the vehicle to be serviced only by your dealer DANGER with RED background You WILL be KILLED or SERIOUSLY HURT if you don t follow instructions WARNING with ORANGE background You CAN be KILLED or SERIOUSLY HURT if you don t follow i...

Page 14: ...rature heat sources Do not bring or cause fires matches lighters cigarettes sparks at terminals or from welding machines or grinders close to the battery Doing so may cause heat generation explosion or fire Carefully read this manual If this product is handled incorrectly it may lead to damage to the vehicle heat generation explosion fire loss of vision or burns RADIATOR CAP LABEL DANGER NEVER OPE...

Page 15: ...es not conform to federal motor vehicle safety standards and operation on public streets roads or highways is illegal State laws prohibit operation of this vehicle expert in an organized racing or competitive event upon a closed course which is conducted under the auspices of a recognized sanctioning body or by permit issued by the local governmental authority having jurisdiction First determine t...

Page 16: ... Approved eye protection 3WARNING Not wearing a helmet increases the chance of serious injury or death in a crash Make sure that you always wear an approved helmet eye protection and protective apparel Protective Gear Whether you re practicing to improve your skills or riding in competition always wear an approved helmet eye protection and proper protective gear 20210720082450_42MKE6020_eng_BOOK P...

Page 17: ...vel surface If you must park on a slight incline or loose surface park so that the vehicle cannot move or fall over Make sure that high temperature parts cannot come into contact with flammable materials Do not touch the engine muffler brakes and other high temperature parts until they cool down Parking with the Side Stand 1 Stop the engine 2 Push the side stand down 3 Slowly lean the vehicle to t...

Page 18: ...r octane petrol will result in decreased engine performance Do not use fuels containing a high concentration of alcohol 2 P 70 Do not use stale or contaminated petrol or an oil petrol mixture Avoid getting dirt or water in the fuel tank 20210720082450_42MKE6020_eng_BOOK Page 18 Tuesday July 20 2021 08 26 26 JST Riding Precautions Vehicle Safety 13 Continued ...

Page 19: ...tions Torque Control does not work during deceleration and will not prevent the rear wheel from skidding due to engine braking Do not close the throttle suddenly especially when riding on slippery surfaces Torque Control may not compensate for rough track conditions or rapid throttle operation Always consider track and weather conditions as well as your skills and condition when applying throttle ...

Page 20: ...y hurt or killed Follow all instructions in this owner s manual regarding accessories and modifications Do not pull a trailer with or attach a sidecar to your vehicle Your vehicle was not designed for these attachments and their use can seriously impair your vehicle s handling Do not attempt modify the vehicle to carry a passenger The subframe was not designed to carry the additional weight of a p...

Page 21: ...Parts Location 20210720082450_42MKE6020_eng_BOOK Page 21 Tuesday July 20 2021 08 26 26 JST Operation Guide 16 Throttle grip Front brake lever Rear brake pedal Engine oil level inspection window ...

Page 22: ..._42MKE6020_eng_BOOK Page 22 Tuesday July 20 2021 08 26 26 JST Operation Guide 17 Clutch lever Fuel fill cap P 33 CRF450RX Side stand Shift lever P 32 Battery P 52 Fast idle knob Engine idle speed P 28 Main fuse P 58 ...

Page 23: ...purple Indicates the condition of HRC Launch Control System P 25 Indicates the currently selected mode by blinking the mode number once when the engine is started Indicates the currently selected mode P 20 Comes on briefly when the engine is started Indicates the currently selected mode by blinking the mode number thrice when the engine is started The Torque Control indicator green comes on while ...

Page 24: ...es 20210720082450_42MKE6020_eng_BOOK Page 24 Tuesday July 20 2021 08 26 26 JST Operation Guide 19 Continued Engine mode select button P 20 Engine stop button P 31 Start button P 28 Torque control button P 23 ...

Page 25: ...ine mode indicator blue You can change engine output characteristic depending on track conditions by using the engine mode select button PGM FI mode 1 standard setting PGM FI mode 2 smooth setting reduce throttle response from the standard setting PGM FI mode 3 aggressive setting increase throttle response from the standard setting Engine Mode ...

Page 26: ...es Current Mode The engine mode indicator also indicates the currently selected mode by blinking the mode number once when the engine is started PGM FI mode 1 The indicator blue blinks once and repeats it 3 times PGM FI mode 2 The indicator blue blinks 2 times and repeats it 3 times PGM FI mode 3 The indicator blue blinks 3 times and repeats it 3 times If the engine mode indicator stays on or does...

Page 27: ...d the engine mode select button for 1 or more second Make sure that the fast idle knob is pushed in P 28 If the fast idle knob is pulled out the engine mode will not change c Release the engine mode select button The engine mode indicator will indicate a selected mode by the number of times the indicator blue blinks d Repeat steps 2 3 until the desired mode is indicated PGM FI mode 1 PGM FI mode 2...

Page 28: ...e mode number 3 times Torque Control mode Rear wheel slip 1 High 2 Middle 3 Low OFF No operation 20210720082450_42MKE6020_eng_BOOK Page 28 Tuesday July 20 2021 08 26 26 JST Operation Guide 23 Continued Torque Control button Torque Control indicator green Torque Control mode 1 The indicator short blinks once and repeats it 3 times Torque Control mode 2 The indicator short blinks 2 times and repeats...

Page 29: ...he last mode selected will be saved u The factory setting is mode 2 u Torque Control can be turned on and off by press and hold the Torque Control button 20210720082450_42MKE6020_eng_BOOK Page 29 Tuesday July 20 2021 08 26 26 JST Operation Guide 24 Honda selectable torque control Continued Torque Control mode 1 Torque Control mode 2 Torque Control mode 3 Torque Control off Pressing the Torque Cont...

Page 30: ...ch control system indicator blinks purple u The system goes into standby and the launch control system indicator indicates the selected level by blinking purple u From standby the control to decrease the rev limit starts u The system may become disabled if you snap the throttle excessively u If the idle speed is low the system may not go into standby Set the idle speed to standard rpm u To disable...

Page 31: ...level 2 d To continue using the system refer to step 2 in To operate the system next page To disable the system quickly press the start button The launch control system indicator stops blinking and the system is disabled 20210720082450_42MKE6020_eng_BOOK Page 31 Tuesday July 20 2021 08 26 26 JST Operation Guide 26 HRC Launch Control System Continued Level 1 Level 2 Level 3 Pressing and holding the...

Page 32: ...perating u If you open the throttle halfway or more before starting control system stops before starting and there is no effect u If you close the throttle immediately the system may not operate u When the launch control system operates these following conditions will disable launch control Vehicle is in 3rd gear The throttle completely closed d Make sure that the launch control system indicator i...

Page 33: ... 5 seconds wait 10 seconds before trying to start the engine again to recover battery voltage Extended fast idling and revving the engine can damage the engine and the exhaust system Snapping the throttle or fast idling for more than about 5 minutes may cause exhaust pipe discolouration 20210720082450_42MKE6020_eng_BOOK Page 33 Tuesday July 20 2021 08 26 26 JST Operation Guide 28 ...

Page 34: ...ch lever in when pressing the start button Cold Engine Starting a Shift the transmission to neutral b If the temperature is 10 C 50 F or below pull the fast idle knob fully out c With the throttle completely closed Pull the clutch lever all the way in and press the start button d About a minute after the engine starts push the fast idle knob back all the way to fully off Warm Engine Starting a Shi...

Page 35: ...Will Not Start P 55 When starting the engine the PGM FI malfunction indicator lamp MIL amber will stay on for 2 seconds then go off And then the engine mode indicator blue indicates the current engine mode for 0 8 seconds then goes off If the PGM FI malfunction indicator lamp MIL engine mode indicator does not come on or go off when it should have your dealer check it for problems 20210720082450_4...

Page 36: ...l b Push and hold the engine stop button until the engine stops completely Emergency Engine Stop To stop the engine in an emergency push and hold the engine stop button 20210720082450_42MKE6020_eng_BOOK Page 36 Tuesday July 20 2021 08 26 26 JST Operation Guide 31 Engine stop button ...

Page 37: ...hifting Gears Your vehicle transmission has 5 forward gears in a one down four up shift pattern 20210720082450_42MKE6020_eng_BOOK Page 37 Tuesday July 20 2021 08 26 26 JST Operation Guide 32 N 1 4 3 2 5 ...

Page 38: ... higher CRF450RX Tank capacity 8 0 L 2 11 US gal 1 76 Imp gal CRF450R Tank capacity 6 3 L 1 66 US gal 1 39 Imp gal Refuelling and Fuel Guidelines P 13 Opening the Fuel Fill Cap a Pull the breather tube out of the steering stem nut b Turn the fuel fill cap counterclockwise and remove it 20210720082450_42MKE6020_eng_BOOK Page 38 Tuesday July 20 2021 08 26 26 JST Operation Guide 33 Continued Fuel fil...

Page 39: ...ut 3WARNING Petrol is highly flammable and explosive You can be burned or seriously injured when handling fuel Stop the engine and keep heat sparks and flame away Handle fuel only outdoors Wipe up spills immediately 20210720082450_42MKE6020_eng_BOOK Page 39 Tuesday July 20 2021 08 26 26 JST Operation Guide 34 Refuelling Continued ...

Page 40: ...ing Body Components P 52 Battery P 52 20210720082450_42MKE6020_eng_BOOK Page 40 Tuesday July 20 2021 08 26 26 JST Please read Importance of Maintenance Maintenance Fundamentals and Competition Handbook carefully before attempting any maintenance Refer to Competition Handbook for service data Maintenance ...

Page 41: ...ecommendations and schedules in this owner s manual and competition handbook Maintenance Safety Always read the maintenance instructions before you begin each task and make sure that you have the tools parts and skills required We cannot warn you of every conceivable hazard that can arise in performing maintenance Only you can decide whether or not you should perform a given task Follow these guid...

Page 42: ...mperature parts to cool before servicing as you can get burned Run the engine only when instructed and do so in a well ventilated area 20210720082450_42MKE6020_eng_BOOK Page 42 Tuesday July 20 2021 08 26 26 JST Importance of Maintenance Maintenance 37 ...

Page 43: ...se from your dealer CRF450RX Service intervals in the maintenance schedule are expressed in terms of races and riding hours To avoid overlooking required service we urge you to develop a convenient way to record the number of races and or hours you ride CRF450R Service intervals in the maintenance schedule are expressed in terms of motos and riding hours To avoid overlooking required service we ur...

Page 44: ...uel Line NOTE 6 Fuel Pump Filter NOTE 6 Throttle Operation Air Filter NOTE 1 Crankcase Breather Spark Plug Valve Clearance Decompressor System NOTE 4 Engine Oil NOTE 3 5 Engine Oil Filter NOTE 3 Engine Idle Speed WE RECOMMEND THESE ITEMS BE SERVICED BY REFERRING TO THE OFFICIAL HONDA SHOP MANUAL This maintenance schedule is based upon average riding condition Machine subjected to severe use requir...

Page 45: ...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 Piston and Piston Rings Piston Pin Radiator Coolant NOTE 2 Cooling System Drive Chain Drive Chain Slider Drive Chain Roller Drive Sprocket Driven Sprocket Brake Fluid NOTE 2 Brake Pads Wear Brake System 20210720082450_42MKE6020_eng_BOOK Page 45 Tuesday July 20 2021 08 26 2...

Page 46: ...h System NOTE 5 Control Cables Exhaust Pipe Muffler Suspension Swingarm Shock Linkage Fork Oil NOTE 3 Nuts Bolts Fasteners Wheels Tyres Steering Head Bearings Side Stand NOTE 7 Notes 1 Clean after every heat for dusty riding condition 4 Inspect after the first break in ride 2 Replace every 2 years Replacement requires mechanical skill 5 Replace the engine oil if the clutch discs and plates are rep...

Page 47: ...ug wire terminal for looseness Air cleaner for condition and contamination Clutch lever freeplay Breather drain for cleaning Steering head bearing and related parts for condition Throttle operation Tyres for damage or improper inflation pressure Spokes for looseness Rim locks for looseness Front and rear suspension for proper operation Front and rear brakes check operation Drive chain for correct ...

Page 48: ...ls and footpegs A stiff nylon parts cleaning brush works well Check tyre air pressure Check spoke tension and make sure the rim locks are secure Check to make sure the sprocket bolts and nuts are secure Clean the sides of the drive chain with a stiff nylon parts cleaning brush Lubricate and adjust the chain as necessary Do not perform maintenance while engine is running Injury to your fingers or h...

Page 49: ...d brake pad lifespan Suspend the front wheel above the ground and use the pressure release screws to release the built up pressure in the forks This pressure is caused by normal fork action while riding Tighten the pressure release screws to the specified torque Torque 1 3 N m 0 1 kgf m 1 0 lbf ft 20210720082450_42MKE6020_eng_BOOK Page 49 Tuesday July 20 2021 08 26 26 JST Maintenance Fundamentals ...

Page 50: ...Apply rust inhibiting oil more heavily if the event was particularly wet or muddy Take care to avoid spraying any oil near the brake pads or the brake discs Take care to prevent catching your fingers between the chain and sprocket Remove the drive chain clean and lubricate it Be sure the chain is wiped clean and is dry before lubricating the chain Routine Cleaning If your vehicle is only slightly ...

Page 51: ... 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 vehicle or use cleaners refer to Caring for Your Vehicle 2 P 61 Replacing Parts Always use Honda Genuine Parts or their equivalents to ensure reliability and safety 3WARNING Installing non Honda parts may make your vehicle unsafe and cause a crash in which you can be seriously h...

Page 52: ... water under pressure can damage your eyes Electrolyte splashes onto your skin u Remove affected clothing and wash your skin thoroughly using water Electrolyte splashes into your mouth u Rinse mouth thoroughly with water and do not swallow 3WARNING The battery contains flammable organic solvent as electrolyte You can be burned or seriously injured if the battery is handled improperly Keep the batt...

Page 53: ...ry with another lithium ion li ion battery of the same type NOTICE Installing non Honda electrical accessories can overload the electrical system discharging the battery and possibly damaging the system Fuses Fuses protect the electrical circuits on your vehicle If something electrical on your vehicle stops working check for and replace any blown fuses 2 P 58 Inspecting and Replacing Fuses Turn th...

Page 54: ...the chance of damage to the electrical system If a fuse fails repeatedly you likely have an electrical fault Have your vehicle inspected by your dealer 20210720082450_42MKE6020_eng_BOOK Page 54 Tuesday July 20 2021 08 26 26 JST Maintenance Fundamentals Maintenance 49 Blown fuse ...

Page 55: ...s or bulges in the side walls of the tyres Inspecting for Abnormal Wear Inspect the tyres for signs of abnormal wear on the contact surface Inspecting Rims and Valve Stems Inspect the rims for damage and loose spokes Also inspect the valve stems for their positions A tilted valve stem indicates the tube is slipping inside the tyre or the tyre is slipping on the rim See your dealer 3WARNING Riding ...

Page 56: ...in a new tyre If a tube is punctured or damaged you should replace it as soon as possible A repaired tube may not have the same reliability as a new one and it may fail while you are riding Use a replacement tube equivalent to the original 3WARNING Installing improper tyres on your vehicle can adversely affect handling and stability and can cause a crash in which you can be seriously hurt or kille...

Page 57: ...om the battery 4 Remove the battery band 5 Remove the battery assembly taking care not to drop the terminal nuts 6 Separate the battery and battery rubber 20210720082450_42MKE6020_eng_BOOK Page 57 Tuesday July 20 2021 08 26 26 JST Maintenance 52 Negative terminal Battery lid Battery Battery band Positive terminal Bolts Battery Battery rubber Negative terminal Positive terminal mark mark ...

Page 58: ...at bolts and nuts are tight 4 Tighten the positive terminal bolt and negative terminal bolt to the specified torque Torque 2 N m 0 2 kgf m 1 5 lbf ft 5 Install the battery band 6 Install the battery lid and tighten the bolts to the specified torque Torque 5 2 N m 0 5 kgf m 3 8 lbf ft For proper handling of the battery see Maintenance Fundamentals 2 P 47 Battery Goes Dead 2 P 57 20210720082450_42MK...

Page 59: ...s On or Flashing P 56 PGM FI Programmed Fuel Injection Malfunction Indicator Lamp MIL P 56 Electrical Trouble P 57 Battery Goes Dead P 57 Blown Fuse P 58 20210720082450_42MKE6020_eng_BOOK Page 59 Tuesday July 20 2021 08 26 26 JST Troubleshooting ...

Page 60: ...the following items Check the correct engine starting sequence 2 P 28 Check for a blown fuse 2 P 58 Check for a loose battery connection 2 P 52 or battery terminal corrosion 2 P 48 Check the condition of the battery 2 P 57 If the problem continues have your vehicle inspected by your dealer as soon as possible or refer to an official Honda Shop Manual available for purchase from your dealer 2021072...

Page 61: ... while riding you may have a serious problem with the PGM FI system Reduce speed and have your vehicle inspected by your dealer as soon as possible or refer to an official Honda Shop Manual available for purchase from your dealer 20210720082450_42MKE6020_eng_BOOK Page 61 Tuesday July 20 2021 08 26 26 JST Troubleshooting 56 ...

Page 62: ...mended can cause permanent damage to your battery If the battery does not recover after recharging contact your dealer NOTICE Do not jump start as this can damage your vehicle s electrical system and battery 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 batt...

Page 63: ...ic switch stay bolt 5 Remove the starter magnetic switch cover 6 Pull the main fuse and check for a blown fuse Always replace a blown fuse with a spare of the same rating 20210720082450_42MKE6020_eng_BOOK Page 63 Tuesday July 20 2021 08 26 26 JST Electrical Trouble u Blown Fuse Troubleshooting 58 Starter magnetic switch Starter magnetic switch stay bolt Starter magnetic switch cover Main fuse Spar...

Page 64: ...tall the connector and coupler cover 10 Connect the negative terminal NOTICE If a fuse fails repeatedly you likely have an electrical problem Have your vehicle inspected by your dealer 20210720082450_42MKE6020_eng_BOOK Page 64 Tuesday July 20 2021 08 26 26 JST Electrical Trouble u Blown Fuse Troubleshooting 59 ...

Page 65: ... P 61 Storing Your Vehicle P 65 Transporting Your Vehicle P 66 You the Environment P 68 Serial Numbers P 69 Fuels Containing Alcohol P 70 20210720082450_42MKE6020_eng_BOOK Page 65 Tuesday July 20 2021 08 26 26 JST Information ...

Page 66: ...cotch Brite Hand Pad 7447 maroon is for removing stains on the non coated aluminium frame only 3 Thoroughly rinse your vehicle with plenty of clean water and dry with a soft clean cloth 4 After the vehicle dries lubricate any moving parts u Make sure that no lubricant spills onto the brakes or tyres Brake discs pads drum or shoes contaminated with oil will suffer greatly reduced braking effectiven...

Page 67: ...ngine stop button muffler outlet steering head bearings suspension pivot points throttle body under fuel tank under seat Do not direct water at the muffler u Water in the muffler can prevent starting and causes rust in the muffler Dry the brakes u Water adversely affects braking effectiveness After washing apply the brakes intermittently at low speed to help dry them Do not direct water at the air...

Page 68: ...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 could damage or discolor the frame surface Scotch Brite Hand Pad 7447 maroon is for removing stains on the non coated aluminium frame only Titanium Fuel Tank Maintenance CRF450R The fuel tank is made of titanium material To remove...

Page 69: ...th chamois or a soft towel If necessary remove heat stains by using a commercially available fine texture compound Then rinse by the same manner as removing mud or dust NOTICE Even though the exhaust is made of stainless steel it can become stained Remove all marks and blemishes as soon as they are noticed 20210720082450_42MKE6020_eng_BOOK Page 69 Tuesday July 20 2021 08 26 26 JST Caring for Your ...

Page 70: ...d well ventilated area u If you leave the battery in place disconnect the negative terminal to prevent discharge Stuff a rag into the muffler outlet Then tie a plastic bag over the end of the muffler to prevent moisture from entering Store your vehicle in an unheated area free of dampness away from sunlight with a minimum of daily temperature variation Cover your vehicle with a porous material Avo...

Page 71: ...ure slowly into the radiator fill hole up to the filler neck Increase the fuel pressure Perform all maintenance checks 2 P 42 Transporting Your Vehicle If your vehicle needs to be transported it should be carried on a motorcycle trailer or a flatbed truck or trailer that has a loading ramp or lifting platform and motorcycle tie down straps Never try to tow your vehicle with a wheel or wheels on th...

Page 72: ...o 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 Too much pressure is unnecessary and could damage the fork seals Use anot...

Page 73: ...roved containers and take them to a recycling centre Call your local or state office of public works or environmental services to find a recycling centre in your area and to get instructions on how to dispose of non recyclable wastes Do not place used engine oil in the trash or pour it down a drain or on the ground Used oil petrol coolant and cleaning solvents contain poisons that can hurt refuse ...

Page 74: ...quired in order to register your vehicle They may also be required when ordering replacement parts You should record these numbers and keep them in a safe place 20210720082450_42MKE6020_eng_BOOK Page 74 Tuesday July 20 2021 08 26 26 JST Serial Numbers Information 69 Frame number Engine number ...

Page 75: ...ol may be marketed under the name Gasohol The use of petrol containing more than 10 ethanol may Damage the painting of the fuel tank Damage the rubber tubes of the fuel line Cause corrosion of the fuel tank Cause poor drivability NOTICE Use of blended fuels containing higher than approved percentages can damage metal rubber plastic parts of your fuel system If you notice any undesirable operating ...

Page 76: ... 27 18 CRF450R 27 7 Trail length CRF450RX 115 mm 4 5 in CRF450R 114 mm 4 5 in Frame Tyre size Front CRF450RX 90 90 21 54M CRF450R 80 100 21 51M Rear CRF450RX 120 90 18 65M CRF450R 120 80 19 63M Tyre type Bias ply tube Recommended tyre Front CRF450RX DUNLOP AT81F CRF450R DUNLOP MX33F Rear CRF450RX DUNLOP AT81 CRF450R DUNLOP MX33 Tyre pressure cold Front 100 kPa 1 0 kgf cm2 15 psi Rear 100 kPa 1 0 k...

Page 77: ...0 L 1 06 US qt 0 88 Imp qt After draining and oil filter change 1 04 L 1 10 US qt 0 92 Imp qt After disassembly 1 35 L 1 43 US qt 1 19 Imp qt Idle speed 2 000 100 rpm Cooling system Recommended coolant Pro Honda HP Coolant Cooling capacity After draining 1 08 L 1 14 US qt 0 95 Imp qt After disassembly 1 14 L 1 20 US qt 1 00 Imp qt Drive train Primary reduction 2 357 Gear ratio 1st 2 133 2nd 1 706 ...

Page 78: ...lug gap 0 80 0 90 mm 0 031 0 035 in Fuses Main fuse 10 A Torque specifications Fork air pressure release screw 1 3 N m 0 1 kgf m 1 0 lbf ft Battery bolt 2 N m 0 2 kgf m 1 5 lbf ft Battery lid bolt 5 2 N m 0 5 kgf m 3 8 lbf ft 20210720082450_42MKE6020_eng_BOOK Page 78 Tuesday July 20 2021 08 26 26 JST Specifications Specifications 73 ...

Page 79: ...entative and importer for EU market Honda Motor Europe Ltd Aalst Office Wijngaardveld 1 Noord V 9300 Aalst Belgium Authorized representative and importer for UK market Honda Motor Europe Ltd Cain Road Bracknell Berkshire RG12 1HL United Kingdom 20210720082450_42MKE6020_eng_BOOK Page 79 Tuesday July 20 2021 08 26 26 JST Specifications Specifications 74 ...

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