Contents

- GENERAL INFORMATION
  - SAFETY INFORMATION
  - LOCATION OF IMPORTANT LABELS
  - DESCRIPTION
  - IDENTIFICATION
  - INCLUDED PARTS
  - IMPORTANT INFORMATION
  - BASIC SERVICE INFORMATION
  - SPECIAL TOOLS
  - INSTRUMENT AND CONTROL FUNCTIONS
  - MULTI-FUNCTION DISPLAY
  - STARTING AND BREAK-IN
  - MAINTENANCE AFTER BREAK-IN
  - TORQUE-CHECK POINTS
  - MOTORCYCLE CARE AND STORAGE
- SPECIFICATIONS
  - GENERAL SPECIFICATIONS
  - ENGINE SPECIFICATIONS
  - CHASSIS SPECIFICATIONS
  - ELECTRICAL SPECIFICATIONS
  - TIGHTENING TORQUES
  - CABLE ROUTING DIAGRAM
- PERIODIC CHECKS AND ADJUSTMENTS
  - PERIODIC MAINTENANCE
  - PRE-OPERATION INSPECTION AND MAINTENANCE
  - ENGINE
  - CHASSIS
  - ELECTRICAL SYSTEM
- CHASSIS
  - GENERAL CHASSIS
  - FRONT WHEEL
  - REAR WHEEL
  - FRONT BRAKE
  - REAR BRAKE
  - HANDLEBAR
  - FRONT FORK
  - STEERING HEAD
  - REAR SHOCK ABSORBER ASSEMBLY
  - SWINGARM
  - CHAIN DRIVE
- ENGINE
  - LUBRICATION SYSTEM CHART AND DIAGRAMS
  - ENGINE REMOVAL
  - CAMSHAFT
  - CYLINDER HEAD
  - VALVES AND VALVE SPRINGS
  - CYLINDER AND PISTON
  - GENERATOR
  - STARTER CLUTCH
  - ELECTRIC STARTER
  - CLUTCH
  - SHIFT SHAFT
  - OIL PUMP
  - CRANKCASE
  - CRANKSHAFT AND BALANCER SHAFT
  - TRANSMISSION
- COOLING SYSTEM
  - COOLING SYSTEM DIAGRAMS
  - RADIATOR
  - WATER PUMP
- FUEL SYSTEM
  - FUEL TANK
  - THROTTLE BODY
- ELECTRICAL SYSTEM
  - IGNITION SYSTEM
  - ELECTRIC STARTING SYSTEM
  - CHARGING SYSTEM
  - SIGNALING SYSTEM
  - LIGHTING SYSTEM
  - COOLING SYSTEM
  - FUEL INJECTION SYSTEM
  - FUEL PUMP SYSTEM
  - ELECTRICAL COMPONENTS
- TROUBLESHOOTING
  - TROUBLESHOOTING
  - SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE
- TUNING
  - CHASSIS
- WIRING DIAGRAM

Yamaha WR250FL WR250F 2020 Owner's Manual

Pages 408

Year 2020

Language(s)

of 408

Yamaha WR250FL WR250F 2020 Specification

The Yamaha WR250FL WR250F 2020 is an advanced off-road motorcycle engineered for high performance and reliability in challenging terrains. This model features a liquid-cooled, 4-stroke, DOHC, 250cc engine with a fuel injection system, delivering robust power and enhanced fuel efficiency. The engine is paired with a 6-speed wide-ratio transmission, optimizing power delivery for various riding conditions, from tight trails to open tracks.

The bike's framework is a lightweight aluminum bilateral beam frame, providing excellent rigidity and handling, crucial for maneuverability in off-road environments. Suspension duties are handled by a fully adjustable KYB coil spring fork at the front and a KYB shock with a revised damping system at the rear, ensuring superior ride comfort and control over rough terrain. The braking system includes a high-performance hydraulic disc brake setup, offering reliable stopping power and improved safety.

Yamaha's advanced electronics suite in the WR250FL WR250F 2020 includes a switchable engine mapping system, allowing riders to adjust the power delivery to suit different riding conditions and preferences. The bike is equipped with a compact, lightweight digital instrument panel that provides essential information at a glance, enhancing rider convenience and focus.

Additional features include an electric start system for easy ignition, a high-capacity radiator to maintain optimal engine temperature, and a durable skid plate to protect the engine and frame from potential damage during aggressive off-road riding. The ergonomic design of the WR250FL WR250F 2020 ensures rider comfort and control, with a narrow seat profile and optimized handlebar position.

Overall, the Yamaha WR250FL WR250F 2020 is a versatile and capable off-road motorcycle, combining advanced engineering, robust performance, and rider-friendly features to meet the demands of both amateur and professional riders.

Yamaha WR250FL WR250F 2020 F.A.Q.

What type of fuel is recommended for the Yamaha WR250F 2020?

The Yamaha WR250F 2020 is recommended to use unleaded gasoline with a minimum octane rating of 91 (R+M)/2. Using fuel with a lower octane rating can lead to engine knocking and potential damage.

How often should I change the oil in my Yamaha WR250F 2020?

For optimal performance, it is recommended to change the engine oil every 600 miles (1,000 km) or every 6 months, whichever comes first. Always use the oil type specified in the owner’s manual.

What is the correct tire pressure for the Yamaha WR250F 2020?

For the Yamaha WR250F 2020, the recommended tire pressure is 15 psi (103 kPa) for the front tire and 15 psi (103 kPa) for the rear tire. Adjust the pressure according to the terrain and load conditions.

How can I improve the suspension settings on my Yamaha WR250F 2020 for off-road use?

To enhance off-road performance, consider adjusting the suspension settings based on your weight and riding style. Refer to the suspension adjustment section in your owner’s manual for specific instructions. You can also consult a professional for advanced tuning.

What are the steps to clean the air filter on a Yamaha WR250F 2020?

To clean the air filter, first remove the seat and air filter cover. Take out the air filter and wash it with a mild detergent and water. Allow it to dry completely, then apply air filter oil before reinstalling it. Make sure it is seated properly to prevent dirt from entering the engine.

How do I troubleshoot starting issues with my Yamaha WR250F 2020?

Start by checking the battery charge and connections, ensuring they are clean and tight. Verify that the fuel is fresh and the fuel lines are free of obstructions. Inspect the spark plug for wear or fouling and replace if necessary. If problems persist, consult a professional mechanic.

What maintenance is needed for the chain on a Yamaha WR250F 2020?

Regularly inspect the chain for tension and wear. Clean and lubricate the chain every 300 miles (500 km) or after riding in wet or muddy conditions. Adjust the chain tension according to the specifications in the owner’s manual to prevent excessive wear.

How do I adjust the brake lever on my Yamaha WR250F 2020?

To adjust the brake lever, locate the adjustment screw near the lever pivot. Loosen the lock nut and turn the screw to adjust the lever distance to your preference. Tighten the lock nut once the adjustment is complete.

What should I do if the clutch feels too tight on my Yamaha WR250F 2020?

To address a tight clutch, first check the clutch cable for any kinks or damage. Adjust the clutch cable tension using the adjusters located at the lever or clutch end. If the problem persists, inspect the clutch plates for wear and replace them if necessary.

How can I ensure my Yamaha WR250F 2020 is ready for long-term storage?

For long-term storage, clean your motorcycle thoroughly and perform an oil change. Fill the fuel tank and add a fuel stabilizer. Disconnect the battery and store it in a cool, dry place. Cover the motorcycle to protect it from dust and moisture.