Honda CRF150RB Manual
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Honda CRF150RB Manual

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20210720082851_32KSE8110_eng_BOOK Page 1 Tuesday, July 20 2021 08:31:26 JST
This manual should be considered a permanent part of the vehicle
and should remain with the vehicle when it is resold.
This publication includes the latest production information available
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.

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  • Page 1 This publication includes the latest production information available before printing. Honda Motor Co., Ltd. reserves the right to make changes at any time without notice and without incurring any obligation.
  • Page 2 20210720082851_32KSE8110_eng_BOOK Page 2 Tuesday, July 20 2021 08:31:26 JST IMPORTANT NOTICE THIS VEHICLE IS DESIGNED AND MANUFACTURED FOR COMPETITION USE ONLY AND IS SOLD “AS IS” WITH NO WARRANTY. IT DOES NOT CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARDS AND OPERATION ON PUBLIC STREETS, ROADS, OR HIGHWAYS IS ILLEGAL.
  • Page 3 Welcome Congratulations on your purchase of a new To ensure your safety and riding pleasure: Read this owner's manual and Honda vehicle. Your selection of a Honda ● competition handbook carefully. makes you part of a worldwide family of Follow all recommendations and satisfied customers who appreciate Honda's ●...
  • Page 4 20210720082851_32KSE8110_eng_BOOK Page 4 Tuesday, July 20 2021 08:31:26 JST A Few Words About Safety Your safety, and the safety of others, is very DANGER important. Operating this vehicle safely is an You WILL be KILLED or SERIOUSLY important responsibility. HURT if you don’t follow instructions. To help you make informed decisions about safety, we have provided operating WARNING...
  • Page 5 20210720082851_32KSE8110_eng_BOOK Page 5 Tuesday, July 20 2021 08:31:26 JST...

  • Page 6: Table Of Contents

    20210720082851_32KSE8110_eng_BOOK Page 6 Tuesday, July 20 2021 08:31:26 JST Contents Vehicle Safety P. 2 Operation Guide P. 14 Maintenance P. 25 Troubleshooting P. 37 Information P. 39 Specifications P. 49...

  • Page 7: Vehicle Safety

    20210720082851_32KSE8110_eng_BOOK Page 7 Tuesday, July 20 2021 08:31:26 JST Vehicle Safety This section contains important information for safe riding of your vehicle. Please read this section carefully. Safety Guidelines ..........P. 3 Safety Labels............P. 6 Image Labels............P. 7 Safety Precautions..........

  • Page 8: Safety Guidelines

    20210720082851_32KSE8110_eng_BOOK Page 8 Tuesday, July 20 2021 08:31:26 JST Safety Guidelines Safety Guidelines that you are wearing an approved helmet and protective apparel. Follow these guidelines to enhance your safety: Take Time to Get to Know Your Vehicle Perform all routine and regular inspections ●...
  • Page 9 Important Message to Parents and control functions. Both must also fully understand everything in this manual before Your child's safety is very important to Honda. riding begins. That's why we urge you to read this message For your child's safety, be sure to make ●...
  • Page 10 20210720082851_32KSE8110_eng_BOOK Page 10 Tuesday, July 20 2021 08:31:26 JST Safety Guidelines WARNING Carbon Monoxide Hazard Exhaust contains poisonous carbon monoxide, a Running the engine of your vehicle colourless, odorless gas. Breathing carbon while in an enclosed or even partially monoxide can cause loss of consciousness and enclosed area can cause a rapid build- may lead to death.

  • Page 11: Safety Labels

    20210720082851_32KSE8110_eng_BOOK Page 11 Tuesday, July 20 2021 08:31:26 JST Safety Labels Safety Labels warn you of potential hazards that could cause serious injury. Read these labels carefully and don't remove them. U type Safety and information labels on your vehicle If a label comes off or becomes hard to read, provide important safety information and may contact your dealer for a replacement.

  • Page 12: Image Labels

    20210720082851_32KSE8110_eng_BOOK Page 12 Tuesday, July 20 2021 08:31:26 JST Image Labels Image Labels Read instructions contained in Owner's ED type The following pages describe the label Manual and Competition Handbook meanings. Some labels warn you of carefully. potential hazards that could cause serious Read instructions contained in Competition injury.
  • Page 13 20210720082851_32KSE8110_eng_BOOK Page 13 Tuesday, July 20 2021 08:31:26 JST Image Labels RADIATOR CAP LABEL DANGER NEVER OPEN WHEN HOT. Hot coolant will scald you. Relief pressure valve begins to open at 1.1 kgf/cm REAR CUSHION LABEL GAS FILLED Do not open. Do not heat. FUEL LABEL Unleaded petrol only ETHANOL up to 10 % by volume...
  • Page 14 20210720082851_32KSE8110_eng_BOOK Page 14 Tuesday, July 20 2021 08:31:26 JST Image Labels CAUTION LABEL IMPORTANT INFORMATION • Operator only. No passengers. • This vehicle is sold as is without warranty, and the entire risk as to quality and performance is with the buyer. READ OWNER’S MANUAL. •...

  • Page 15: Safety Precautions

    20210720082851_32KSE8110_eng_BOOK Page 15 Tuesday, July 20 2021 08:31:26 JST Safety Precautions Safety Precautions WARNING Not wearing a helmet increases the Protective Apparel chance of serious injury or death in a Make sure that you are wearing an approved crash. helmet, eye protection, and other appropriate riding gear.

  • Page 16: Riding Precautions

    20210720082851_32KSE8110_eng_BOOK Page 16 Tuesday, July 20 2021 08:31:26 JST Riding Precautions Riding Precautions Refuelling and Fuel Guidelines Follow these guidelines to protect the engine Running-in Period and fuel system: Use only unleaded petrol. During the first operating day or 25 km (15 ●...

  • Page 17: Accessories & Modifications

    We strongly advise that you do not add any accessories that were not specifically designed Do not attempt to modify the vehicle to carry a for your vehicle by Honda or make passenger. The subframe was not designed to modifications to your vehicle from its original carry the additional weight of a passenger.
  • Page 18 20210720082851_32KSE8110_eng_BOOK Page 18 Tuesday, July 20 2021 08:31:26 JST...

  • Page 19: Operation Guide

    20210720082851_32KSE8110_eng_BOOK Page 19 Tuesday, July 20 2021 08:31:26 JST Parts Location Throttle grip Front brake lever Kickstarter pedal (P.17) Rear brake pedal...
  • Page 20 20210720082851_32KSE8110_eng_BOOK Page 20 Tuesday, July 20 2021 08:31:26 JST Clutch lever Hot start lever (P.19) Engine stop button (P.21) Fuel fill cap (P.24) Fuel valve (P.16) Choke knob (P.18) Engine oil fill cap/ dipstick Shift lever (P.22)
  • Page 21 20210720082851_32KSE8110_eng_BOOK Page 21 Tuesday, July 20 2021 08:31:26 JST Fuel Valve The two-way fuel valve is used to control the flow of fuel from the fuel tank to the carburetor. ON: normal position for riding. OFF: for stopping, storing, or transportation.
  • Page 22 20210720082851_32KSE8110_eng_BOOK Page 22 Tuesday, July 20 2021 08:31:26 JST Starting the Engine Start your engine using the following procedure. To restart a warm engine, follow the procedure for “Warm Engine Starting”. NOTICE • Extended fast idling and revving the engine can damage the engine and the exhaust system.
  • Page 23 20210720082851_32KSE8110_eng_BOOK Page 23 Tuesday, July 20 2021 08:31:26 JST Starting the Engine (Continued) Cold Engine Starting Turn the fuel valve ON. Shift the transmission into neutral. If the temperature is 35°C (95°F) or below, pull the choke knob fully out. If the temperature is below 0°C (32°F), open the throttle two or three times.
  • Page 24 20210720082851_32KSE8110_eng_BOOK Page 24 Tuesday, July 20 2021 08:31:26 JST With the throttle closed, operate the Warm Engine Starting kickstarter starting from the top of the kickstarter stroke, and kick through to the bottom of the stroke with a rapid, continuous motion. Do not open the throttle, As the carburetor is equipped with an accelerator pump, excessive fuel will be...
  • Page 25 20210720082851_32KSE8110_eng_BOOK Page 25 Tuesday, July 20 2021 08:31:26 JST Starting the Engine (Continued) Starting the engine after a stall during Starting the engine excessively charged riding or after a fall with fuel by throttle blipping or other reasons Shift the transmission into neutral. Pull the hot start lever and kick-start the If the engine fails to start after repeated engine.
  • Page 26 20210720082851_32KSE8110_eng_BOOK Page 26 Tuesday, July 20 2021 08:31:26 JST When you stop the engine Emergency Engine Stop To stop the engine in an emergency, push Normal Engine Stop and hold the engine stop button. Engine stop button Shift the transmission into neutral. Turn the fuel valve OFF.
  • Page 27 20210720082851_32KSE8110_eng_BOOK Page 27 Tuesday, July 20 2021 08:31:26 JST Shifting Gears Your vehicle transmission has 5 forward Slowly release the clutch lever and at the gears in a one-down, four-up shift pattern. same time gradually increase engine speed by opening the throttle. Coordination of the throttle and clutch lever will assure a smooth positive start.
  • Page 28 20210720082851_32KSE8110_eng_BOOK Page 28 Tuesday, July 20 2021 08:31:26 JST This sequence is repeated to progressively shift to 3rd, 4th and 5th (top) gear. Raise the shift lever to shift to a higher gear and depress it to downshift. Each stroke of the shift lever engages the next gear in sequence.
  • Page 29 20210720082851_32KSE8110_eng_BOOK Page 29 Tuesday, July 20 2021 08:31:26 JST Refuelling Opening the Fuel Fill Cap Lower edge of filler neck Pull the breather tube out of the steering Breather tube stem nut. Turn the fuel fill cap counterclockwise and remove it. Closing the Fuel Fill Cap After refuelling, close the fuel fill cap securely.

  • Page 30: Maintenance

    20210720082851_32KSE8110_eng_BOOK Page 30 Tuesday, July 20 2021 08:31:26 JST Maintenance Please read “Importance of Maintenance”, “Maintenance Fundamentals” and Competition Handbook carefully before attempting any maintenance. Refer to Competition Handbook for service data. Importance of Maintenance ......P. 26 Maintenance Schedule........P. 27 Maintenance Fundamentals ......
  • Page 31 20210720082851_32KSE8110_eng_BOOK Page 31 Tuesday, July 20 2021 08:31:26 JST Importance of Maintenance Importance of Maintenance Maintenance Safety Keeping your vehicle well-maintained is Always read the maintenance instructions absolutely essential to your safety and to before you begin each task and make sure that protect your investment, obtain maximum you have the tools, parts, and skills required.
  • Page 32 Competition Handbook. The task or need assistance, remember that your Maintenance Schedule also includes items that Honda dealer knows your vehicle best and is involve more extensive procedures and may fully equipped to maintain and repair it. If you require special training, tools, and equipment.
  • Page 33 NOTE 5 Radiator Coolant NOTE 2 Cooling System 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 require more frequent servicing.
  • Page 34 20210720082851_32KSE8110_eng_BOOK Page 34 Tuesday, July 20 2021 08:31:26 JST Maintenance Schedule Frequency Each race or about Every 3 races or Every 6 races or Every 9 races or NOTE Items 2.5 hours about 7.5 hours about 15.0 hours about 22.5 hours Drive Chain Drive Chain Slider Drive Chain Roller...
  • Page 35 20210720082851_32KSE8110_eng_BOOK Page 35 Tuesday, July 20 2021 08:31:26 JST Maintenance Fundamentals Air cleaner for condition and contamination Pre-ride Inspection ● Clutch lever freeplay ● To ensure safety, it is your responsibility to Hot start lever freeplay ● perform a pre-ride inspection and make sure Breather drain for cleaning ●...
  • Page 36 20210720082851_32KSE8110_eng_BOOK Page 36 Tuesday, July 20 2021 08:31:26 JST Maintenance Fundamentals Between Heats & Practice Maintenance After practice, or between heats, you have a chance to make additional checks and adjustments. • Clean accumulated dirt from under the fenders and off the wheels, suspension components, handgrips, controls, and footpegs.
  • Page 37 20210720082851_32KSE8110_eng_BOOK Page 37 Tuesday, July 20 2021 08:31:26 JST Maintenance Fundamentals • After adjustment, check that the chain • Suspend the front wheel above the ground adjuster index marks are in the same and use the pressure release screws to position on each side.
  • Page 38 20210720082851_32KSE8110_eng_BOOK Page 38 Tuesday, July 20 2021 08:31:26 JST Maintenance Fundamentals Remove the drive chain, and clean and lubricate it. After Competition Maintenance Be sure the chain is wiped clean and is dry It is important to the long term performance of before lubricating the chain.
  • Page 39 A variety of reasonably priced cleaning brushes Replacing Parts are available from variety, drug, food, and Always use Honda Genuine Parts or their hardware stores. Some of these brushes are equivalents to ensure reliability and safety. extremely useful in removing dirt from the many...
  • Page 40 20210720082851_32KSE8110_eng_BOOK Page 40 Tuesday, July 20 2021 08:31:26 JST Maintenance Fundamentals Inspecting Rims and Valve Stems Tyres (Inspecting/Replacing) Inspect the rims for damage and loose spokes. Checking the Air Pressure Also inspect the valve stems for their positions. Visually inspect your tyres and use an air A tilted valve stem indicates the tube is slipping pressure gauge to measure the air pressure inside the tyre or the tyre is slipping on the rim.
  • Page 41 20210720082851_32KSE8110_eng_BOOK Page 41 Tuesday, July 20 2021 08:31:26 JST Maintenance Fundamentals Have your tyres replaced by your dealer. WARNING For recommended tyres and air pressure, see Installing improper tyres on your “Specifications.” P. 49 vehicle can adversely affect handling Follow these guidelines whenever you replace and stability, and can cause a crash in tyres.

  • Page 42: Troubleshooting

    20210720082851_32KSE8110_eng_BOOK Page 42 Tuesday, July 20 2021 08:31:26 JST Troubleshooting Engine Will Not Start........P. 38...
  • Page 43 P. 17 Check that there is petrol in the fuel tank. ● 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.

  • Page 44: Information

    20210720082851_32KSE8110_eng_BOOK Page 44 Tuesday, July 20 2021 08:31:26 JST Information Caring for Your Vehicle........P. 40 Storing Your Vehicle......... P. 43 Transporting Your Vehicle ......P. 44 You & the Environment........P. 46 Serial Numbers........... P. 47 Fuels Containing Alcohol......... P. 48...

  • Page 45: Caring For Your Vehicle

    Frequent cleaning and polishing is important to After the vehicle dries, lubricate any moving ensure the life of your Honda. A clean vehicle parts. makes it easier to spot potential problems.
  • Page 46 20210720082851_32KSE8110_eng_BOOK Page 46 Tuesday, July 20 2021 08:31:26 JST Caring for Your Vehicle Washing Precautions Steering head bearings Follow these guidelines when washing: Do not use high-pressure washers: ● High-pressure water cleaners can damage moving parts and electrical parts, rendering them inoperable. Water in the air intake can be drawn into the carburetor and/or enter the air cleaner.
  • Page 47 20210720082851_32KSE8110_eng_BOOK Page 47 Tuesday, July 20 2021 08:31:26 JST Caring for Your Vehicle Do not use wax or polishing compounds on Exhaust Pipe and Muffler ● mat painted surfaces: The exhaust pipe and muffler are stainless steel Use a soft cloth or sponge, plenty of but may become stained by mud or dust.

  • Page 48: Storing Your Vehicle

    20210720082851_32KSE8110_eng_BOOK Page 48 Tuesday, July 20 2021 08:31:26 JST Storing Your Vehicle Storing Your Vehicle Store your vehicle in an unheated area, free ● of dampness, away from sunlight, with a If you won't be riding for an extended period, minimum of daily temperature variation.

  • Page 49: Transporting Your Vehicle

    20210720082851_32KSE8110_eng_BOOK Page 49 Tuesday, July 20 2021 08:31:26 JST Transporting Your Vehicle Transporting Your Vehicle To remove your vehicle from storage, follow these guidelines: If your vehicle needs to be transported, it Uncover and clean your vehicle. ● should be carried on a motorcycle trailer or a Change the engine oil if more than 4 ●...
  • Page 50 20210720082851_32KSE8110_eng_BOOK Page 50 Tuesday, July 20 2021 08:31:26 JST Transporting Your Vehicle Secure the vehicle in an upright position, Check that the tie-down straps do not contact ● using motorcycle tie-down straps. Avoid any control cables or electrical wiring. using rope, which can loosen and allow the vehicle to fall over.

  • Page 51: You & The Environment

    20210720082851_32KSE8110_eng_BOOK Page 51 Tuesday, July 20 2021 08:31:26 JST You & the Environment You & the Environment Recycle Wastes Put oil and other toxic wastes in approved Owning and riding a vehicle can be enjoyable, containers and take them to a recycling centre. but you must do your part to protect the Call your local or state office of public works or environment.

  • Page 52: Serial Numbers

    20210720082851_32KSE8110_eng_BOOK Page 52 Tuesday, July 20 2021 08:31:26 JST Serial Numbers Serial Numbers The frame and engine serial numbers uniquely identify your vehicle and are required 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.

  • Page 53: Fuels Containing Alcohol

    20210720082851_32KSE8110_eng_BOOK Page 53 Tuesday, July 20 2021 08:31:26 JST Fuels Containing Alcohol Fuels Containing Alcohol The use of petrol containing more than 10% ethanol may: Some conventional fuels blended with alcohol Damage the painting of the fuel tank. ● are available in some locales to help reduce Damage the rubber tubes of the fuel line.

  • Page 54: Specifications

    Frame ■ 0.70 L (0.74 US qt, 0.62 After disassembly Imp qt) Front 70/100-19 42M Tyre size Honda 4-stroke motorcycle oil API Service Rear 90/100-16 52M Classification SJ or higher, excluding oils Tyre type Bias-ply, tube Recommended marked as “Energy Conserving” or...
  • Page 55 20210720082851_32KSE8110_eng_BOOK Page 55 Tuesday, July 20 2021 08:31:26 JST Specifications Drive train ■ Honda 4-stroke motorcycle oil API Service Classification SJ or higher, excluding oils Primary reduction 4.117 Recommended marked as “Energy Conserving” or 2.214 Transmission oil “Resource Conserving,” SAE 10W-30, JASO 1.647...
  • Page 56 Manufacturer, Authorized Representative and Importer Honda Motor Co., Ltd. Manufacturer 2-1-1, Minami-Aoyama, Minato-ku, Tokyo, 107-8556, Japan Honda Motor Europe Ltd - Aalst Office Authorized representative and Wijngaardveld 1 (Noord V) importer for EU market 9300 Aalst - Belgium Honda Motor Europe Ltd...
  • Page 57 20210720082851_32KSE8110_eng_BOOK Page 59 Tuesday, July 20 2021 08:31:26 JST...

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