Honda CRF150R 2025 Owner's Manual

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OW N E R'S

M A N UA L

2025

CRF150R / CRF150R EXPERT

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Summary of Contents for Honda CRF150R 2025

Page 1 OW N E R’S M A N UA L 2025 CRF150R / CRF150R EXPERT...
Page 2 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 3: Important Notice
IMPORTANT NOTICE FOR COMPETITION USE ONLY This vehicle is designed, manufactured and sold for closed-course competition use only. It does not conform to Federal Motor Vehicle Safety Standards or U.S. EPA Noise and Emission Standards. Operation on public streets, roads, highways or for off-road recreation is illegal.
Page 4 Welcome Congratulations on your purchase of a new To ensure your safety and riding pleasure: Honda vehicle. Your selection of a Honda Read this owner's manual and ● makes you part of a worldwide family of competition handbook carefully. satisfied customers who appreciate Honda's Follow all recommendations and ●...
Page 5 When service is required, remember that your Honda dealer knows your vehicle best. If you have the required mechanical “know- how” and tools, you can purchase an official Honda Service Manual to help you perform many maintenance and repair tasks.
Page 6: A Few Words About Safety
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 procedures and other information on safety...
Page 7: Table Of Contents
Contents Vehicle Safety P. 2 Operation Guide P. 10 Maintenance P. 21 Troubleshooting P. 33 Information P. 35 Specifications P. 48...
Page 8: Vehicle Safety
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 Safety Precautions..........P. 7 Riding Precautions ..........P. 8 Accessories & Modifications......P. 9...
Page 9: Safety Guidelines
Safety Guidelines Safety Guidelines Before Riding Make sure that you are physically fit, mentally Follow these guidelines to enhance your safety: focused, and free of alcohol and drugs. Check Perform all routine and regular inspections ● that you are wearing an approved helmet and specified in this owner's manual and protective apparel.
Page 10 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 11: Carbon Monoxide Hazard
Safety Guidelines WARNING Carbon Monoxide Hazard Exhaust contains poisonous carbon monoxide, a Running the engine of your vehicle colorless, 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 12: Safety Labels
Safety Labels Safety Labels serious injury. Read these labels carefully and don't remove them. 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. warn you of potential hazards that could cause For Canada For Canada...
Page 13: Safety Precautions
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. Make sure that you always wear an approved helmet, eye protection, and Helmet protective apparel.
Page 14: Riding Precautions
Riding Precautions Riding Precautions Refueling and Fuel Guidelines Follow these guidelines to protect the engine Break-in Period and fuel system: Use only unleaded gasoline. During the first operating day or 15 miles (25 ● Use the recommended octane number. km) of running, follow these guidelines to ●...
Page 15: Accessories & Modifications
We strongly advise that you do not add any seriously hurt or killed. accessories that were not specifically designed or approved for your vehicle by Honda or make Follow all instructions in this owner's modifications to your vehicle from its original manual regarding accessories and design.
Page 16: Parts Location
Parts Location Throttle grip Front brake fluid reservoir Front brake lever Kickstarter pedal (P.13) Rear brake pedal Rear brake fluid reservoir...
Page 17 Clutch lever Hot start lever (P.15) Engine stop button (P.17) Fuel fill cap (P.20) Fuel valve (P.12) Choke knob (P.13) Engine oil fill cap/ dipstick Shift pedal (P.18)
Page 18: Fuel Valve
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 19: Starting The Engine
Starting the Engine Start your engine using the following procedure. Continued...
Page 20 Starting the Engine (Continued) To restart a warm engine, follow the Cold Engine Starting procedure for “Warm Engine Starting”. Turn the fuel valve ON. Shift the transmission into neutral. NOTICE If the temperature is 95°F (35°C) or below, • Extended fast idling and revving the engine pull the choke knob fully out.
Page 21: Warm Engine Starting
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 charged into the engine, and the spark plug will be fouled if the throttle is...
Page 22 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 Shift the transmission into neutral. reasons Pull the hot start lever and kick-start the If the engine fails to start after repeated engine.
Page 23: Normal Engine Stop
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. Lightly open the throttle two or three times, and then close it.
Page 24: Shifting Gears
Shifting Gears Your vehicle transmission has 5 forward Slowly release the clutch lever and at the same time gradually increase engine speed gears in a one-down, four-up shift pattern. by opening the throttle. Coordination of the throttle and clutch lever will assure a smooth positive start.
Page 25 This sequence is repeated to progressively shift to 3rd, 4th, and 5th (top) gear. Raise the shift pedal to shift to a higher gear and depress it to downshift. Each stroke of the shift pedal engages the next gear in sequence.
Page 26 Refueling 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 refueling, close the fuel fill cap securely.
Page 27: Maintenance
Handbook” carefully before attempting any maintenance. Refer to “Competition Handbook” for service data. An optional larger tool kit may be available. Check with your Honda dealer's parts department. Importance of Maintenance ......P. 22 Maintenance Schedule........P. 23 Maintenance Fundamentals ......P. 26...
Page 28: Importance Of Maintenance
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. performance, avoid breakdowns, and reduce air We cannot warn you of every conceivable pollution.
Page 29: Maintenance Schedule
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 30 NOTE 5 Radiator Coolant NOTE 2 Cooling System WE RECOMMEND THESE ITEMS BE SERVICED BY REFERRING TO THE OFFICIAL HONDA SERVICE MANUAL. This maintenance schedule is based upon average riding condition. Machine subjected to severe use require more frequent servicing.
Page 31 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 Drive Sprocket Driven Sprocket Brake Fluid...
Page 32: Maintenance Fundamentals
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 ● that any problem you find is corrected.
Page 33: Between Motos & Practice Maintenance
Maintenance Fundamentals Between Motos & Practice Maintenance After practice, or between motos, 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. A stiff, nylon parts cleaning brush works well.
Page 34 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. This will ensure that release the built-up pressure in the forks. the rear wheel is in proper alignment and This pressure is caused by normal fork allow maximum performance from the rear...
Page 35: After Competition Maintenance
Maintenance Fundamentals Remove the drive chain, and clean and lubricate After Competition Maintenance It is important to the long term performance of Be sure the chain is wiped clean and is dry your vehicle to practice a consistent before lubricating the chain. maintenance program.
Page 36 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 37 Maintenance Fundamentals Inspecting Rims and Valve Stems Tires (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 tires and use an air A tilted valve stem indicates the tube is slipping pressure gauge to measure the air pressure inside the tire or the tire is slipping on the rim.
Page 38 Maintenance Fundamentals Have your tires replaced by your dealer. WARNING For recommended tires and air pressure, see Installing improper tires on your vehicle “Specifications.” P. 48 can adversely affect handling and Follow these guidelines whenever you replace stability, and can cause a crash in which tires: Use the recommended tires or their you can be seriously hurt or killed.
Page 39: Troubleshooting
Troubleshooting Engine Will Not Start........P. 34...
Page 40: Engine Will Not Start
P. 13 Check that there is gasoline 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 41: Information
Caring for Your Vehicle........P. 36 Storing Your Vehicle......... P. 39 Transporting Your Vehicle ......P. 40 You & the Environment........P. 42 Vehicle Identification Number....... P. 43 Oxygenated Fuels..........P. 44 Authorized Manuals ......... P. 45 Honda Contacts ..........P. 46...
Page 42: 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 43 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 44: Condensation Control
Caring for Your Vehicle Do not use wax or polishing compounds on Exhaust Pipe and Muffler ● matte 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. water, and a mild detergent to clean matte painted surfaces.
Page 45: Storing Your Vehicle
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. follow these guidelines: Cover your vehicle with a porous material. ●...
Page 46: Transporting Your Vehicle
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 47 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. Tighten both straps until the front suspension is compressed about half-way.
Page 48: You & The Environment
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 center. but you must do your part to protect the Call your local or state office of public works or environment.
Page 49: Vehicle Identification Number
Vehicle Identification Number Vehicle Identification Number The VIN and engine serial number 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 50: Oxygenated Fuels
Oxygenated Fuels Oxygenated Fuels If you accidentally fill your fuel tank with an oxygenated fuel containing higher percentages, Some conventional fuels blended with alcohol you may experience performance problems. To or an ether compound are available in some resolve the problem, have your dealer drain the locales to help reduce emissions to meet clean fuel tank and replace with the correct fuel.
Page 51: Authorized Manuals
Authorized Manuals Authorized Manuals can help you prepare your Honda motorcycle, scooter, ATV, and SxS for winter storage. These Honda manuals are written for the The Service Manual used by your professional technician. However, if you possess authorized dealer is available from your Honda the proper tools, observe the safety standards, dealer or Helm, Inc.
Page 52: Honda Contacts
● Alpharetta, GA 30005-8847 Product model, year, and VIN ● Date of purchase ● Dealer name and address ● Telephone: (866) 784-1870 We will likely ask your Honda dealer to respond, or possibly acknowledge your comments Website: https://powersports.honda.com/ directly. contact-us...
Page 53 Honda Contacts Your Honda Dealer The service department of your Honda dealer offers trained personnel to perform regular maintenance and unexpected repairs. It has the latest available service information from Honda. The parts department offers Honda Genuine Parts, Pro Honda products, Honda Accessories...
Page 54: Specifications
Specifications Dimension Frame ■ ■ CRF150R 72.1 in (1,832 mm) CRF150R 70/100-17 40M Overall length Front CRF150RB 74.8 in (1,900 mm) CRF150RB 70/100-19 42M Tire size Overall width 30.3 in (770 mm) CRF150R 90/100-14 49M Rear CRF150R 44.6 in (1,133 mm) CRF150RB 90/100-16 52M Overall height...
Page 55 Compression Recommended 11.7 : 1 standard MA, Pro Honda GN4 4-stroke oil ratio Transmission oil (USA & Canada) or Honda 4-stroke oil, or Intake 0.006 ± 0.001 in (0.16 ± 0.03 mm) Valve clearance an equivalent motorcycle oil (without (cold) Exhaust 0.010 ±...
Page 56 Specifications Drive train ■ Primary reduction 4.117 2.214 1.647 Gear ratio 1.318 1.105 0.956 CRF150R 3.333 Final reduction CRF150RB 3.733 Left foot-operated return system Gear shift pattern 1-N-2-3-4-5 Electrical ■ CR8EH-9 (NGK) or Standard U24FER9 (DENSO) Spark plug For extended CR9EH-9 (NGK) or high speed riding U27FER9 (DENSO)
Page 57 Information Record Engine No. Color Label & Code Owner's Name Address City/State Phone Dealer's Name Address City/State Phone Service Manager...
Page 58 California Proposition 65 Warning WARNING: Operating, servicing and maintaining a passenger vehicle or off-highway motor vehicle can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm.

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