Contents

- GENERAL INFORMATION
  - LOCATION OF IMPORTANT LABELS
  - DESCRIPTION
  - IDENTIFICATION
  - INCLUDED PARTS
  - IMPORTANT INFORMATION
  - BASIC SERVICE INFORMATION
  - SPECIAL TOOLS
  - 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
  - LUBRICATION POINTS AND LUBRICANT TYPES
  - LUBRICATION SYSTEM CHART AND DIAGRAMS
  - CABLE ROUTING DIAGRAM
- PERIODIC CHECKS AND ADJUSTMENTS
  - PERIODIC MAINTENANCE
  - PRE-OPERATION INSPECTION AND MAINTENANCE
  - ENGINE
  - CHASSIS
  - ELECTRICAL SYSTEM
- TUNING
  - CHASSIS
  - KICKSTARTER KIT (OPTIONAL PARTS)
- CHASSIS
  - GENERAL CHASSIS
  - FRONT WHEEL
  - REAR WHEEL
  - FRONT BRAKE
  - REAR BRAKE
  - HANDLEBAR
  - FRONT FORK
  - STEERING HEAD
  - REAR SHOCK ABSORBER ASSEMBLY
  - SWINGARM
  - CHAIN DRIVE
- ENGINE
  - ENGINE REMOVAL
  - CAMSHAFT
  - CYLINDER HEAD
  - VALVES AND VALVE SPRINGS
  - CYLINDER AND PISTON
  - ELECTRIC STARTER
  - CLUTCH
  - SHIFT SHAFT
  - OIL PUMP AND BALANCER GEAR
  - GENERATOR AND STARTER CLUTCH
  - CRANKCASE
  - CRANKSHAFT ASSEMBLY AND BALANCER SHAFT
  - TRANSMISSION
- COOLING SYSTEM
  - RADIATOR
  - WATER PUMP
- FUEL SYSTEM
  - FUEL TANK
  - THROTTLE BODY
- ELECTRICAL SYSTEM
  - IGNITION SYSTEM
  - ELECTRIC STARTING SYSTEM
  - CHARGING SYSTEM
  - LIGHTING SYSTEM
  - SIGNALING SYSTEM
  - COOLING SYSTEM
  - FUEL INJECTION SYSTEM
  - FUEL PUMP SYSTEM
  - ELECTRICAL COMPONENTS
- TROUBLESHOOTING
  - TROUBLESHOOTING
  - LIST OF SELF-DIAGNOSTIC AND FAIL-SAFE ACTIONS
- WIRING DIAGRAM

Yamaha WR250FJ WR250F 2018 Owner's Manual

Pages 420

Year 2018

Language(s)

of 420

Yamaha WR250FJ WR250F 2018 Specification

The Yamaha WR250FJ WR250F 2018 is a high-performance off-road motorcycle engineered for enduro and trail riding. It features a liquid-cooled, DOHC, 4-stroke, 4-valve engine with a displacement of 250cc, delivering robust power and torque for challenging terrains. The bike is equipped with a fuel injection system that ensures optimal fuel delivery and efficiency across varying conditions. The WR250FJ incorporates a wide-ratio 6-speed transmission, providing versatile gearing options for diverse riding scenarios.

The frame of the WR250FJ is crafted from lightweight aluminum, enhancing maneuverability and handling without compromising durability. The suspension system includes fully adjustable KYB components, with a front inverted fork and a rear shock absorber, both offering extensive travel to absorb rough impacts effectively. The braking system features a high-performance hydraulic disc setup, ensuring reliable stopping power in all conditions.

The motorcycle is fitted with an electric start system for ease of use, complemented by a high-capacity battery to maintain reliable ignition. The WR250FJ also includes an enduro-specific skid plate for underbody protection, a compact digital meter for essential readouts, and a headlight for low-light conditions. The ergonomics are designed to provide a comfortable and controlled riding experience, with an adjustable handlebar and strategically placed controls.

Yamaha’s WR250FJ WR250F 2018 stands out with its blend of advanced engineering, robust components, and rider-focused features, making it a formidable choice for serious off-road enthusiasts.

Yamaha WR250FJ WR250F 2018 F.A.Q.

What type of fuel is recommended for the Yamaha WR250FJ WR250F 2018?

The Yamaha WR250FJ WR250F 2018 is designed to run on unleaded gasoline with a minimum octane rating of 91 (RON).

How often should I change the engine oil in my WR250FJ WR250F 2018?

The engine oil should be changed every 600 miles (1,000 km) or 15 hours of operation, whichever comes first.

What is the correct tire pressure for the Yamaha WR250FJ WR250F 2018?

The recommended tire pressure is 15 psi (103 kPa) for both the front and rear tires.

How can I adjust the suspension settings on the WR250FJ WR250F 2018 for better performance on rough terrain?

To adjust the suspension for rough terrain, you can increase the compression damping on the front forks and rear shock absorber. Refer to the owner's manual for specific adjustment procedures and settings.

What should I do if my WR250FJ WR250F 2018 won't start?

If your bike won't start, check the following: ensure the fuel valve is on, verify the kill switch is in the run position, check the battery charge, and inspect the spark plug for fouling.

How do I clean the air filter on my WR250FJ WR250F 2018?

Remove the seat to access the airbox, take out the air filter, and clean it with a mild detergent. Rinse thoroughly, let it dry, and apply air filter oil before reinstalling.

What maintenance should be performed regularly on the chain of the WR250FJ WR250F 2018?

Regularly clean and lubricate the chain every 300 miles (500 km) and check the tension. Adjust as necessary to maintain the proper slack specified in the owner's manual.

What type of coolant is suitable for the WR250FJ WR250F 2018?

Use a high-quality ethylene glycol-based antifreeze coolant, pre-diluted 50:50 with demineralized water, suitable for aluminum engines.

How can I improve the brake performance on my WR250FJ WR250F 2018?

To improve brake performance, ensure the brake pads and discs are in good condition, bleed the brake lines to remove air, and use high-quality brake fluid.

What steps should I take for long-term storage of my WR250FJ WR250F 2018?

For long-term storage, clean the bike thoroughly, change the oil, fill the tank with fuel stabilizer, remove the battery and store it in a cool, dry place, and cover the bike to protect it from dust and moisture.