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General| Engine Type | 249cc liquid-cooled single-cylinder four-stroke |
|---|---|
| Bore and Stroke | 78.0mm x 52.2mm |
| Compression Ratio | 12.9:1 |
| Induction | Keihin 37mm flat-slide carburetor |
| Ignition | CDI |
| Transmission | Wide-ratio five-speed |
| Front Suspension | 47mm inverted Showa cartridge fork with 16-position rebound and 16-position compression damping adjustability; 12.4 inches travel |
| Front Brake | Single 240mm disc with twin-piston caliper |
| Rear Brake | Single 240mm disc |
| Front Tire | 80/100-21 |
| Rear Tire | 100/100-18 |
| Trail | 113mm (4.4 inches) |
| Wheelbase | 58.3 inches |
| Seat Height | 37.7 inches |
| Fuel Capacity | 1.9 gallons |
| Final Drive | 520 chain; 13T/51T |
| Rake | 27.5 degrees |
| Rear Suspension | Pro-Link Showa single shock with spring preload, 17-position rebound damping adjustability, and 13-position compression damping adjustability; 12.4 inches travel |
| Curb Weight | 254 lbs (Includes all standard equipment, required fluids and a full tank of fuel—ready to ride) |
Motorcycle is designed for single rider operation; no passengers allowed.
General safety guidelines and recommendations for riding.
Procedures for starting and safely stopping the motorcycle engine.
Evaluating personal readiness before operating the CRF.
Checking the motorcycle's condition before each ride.
A checklist of critical items to inspect before riding.
Essential information and precautions before performing maintenance.
Recommended fuel type and octane rating for optimal performance.
Steps for draining and replacing engine oil and filter.
Recommended transmission oil specifications.
Procedure for checking and adding transmission oil.
Steps for draining and replacing transmission oil.
Recommended coolant type and mixture for the cooling system.
How to check and add coolant to the reserve tank.
Step-by-step instructions for cleaning the air cleaner element.
How to check and adjust throttle lever freeplay.
Checking and adjusting clutch lever freeplay.
Procedure for removing clutch cover and internal components.
Inspecting clutch discs and plates for wear.
Steps for installing clutch discs, plates, and springs.
Checking and adjusting freeplay for the hot start lever.
Adjusting front suspension for rider weight and conditions.
Adjusting rear suspension spring pre-load and damping.
Tuning suspension based on track surface and conditions.
Chart for diagnosing and adjusting suspension settings.
Fine-tuning the carburetor for maximum competition performance.
Adjusting chassis geometry for improved handling.
Adjusting final drive ratio to match terrain and traction.
Choosing tyres based on track conditions.
Adjusting controls and handlebar for rider comfort.
How to check for and replace blown fuses on the CRF.
Advice for dealing with a low or dead battery.
