Contents

- GENERAL INFORMATION
  - SAFETY INFORMATION
  - LOCATION OF IMPORTANT LABELS
  - DESCRIPTION
  - IDENTIFICATION
  - INCLUDED PARTS
  - IMPORTANT INFORMATION
  - BASIC SERVICE INFORMATION
  - SPECIAL TOOLS
  - INSTRUMENT AND CONTROL FUNCTIONS
  - 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
  - MAINTENANCE INTERVALS
  - 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
  - FUEL INJECTION SYSTEM
  - FUEL PUMP SYSTEM
  - ELECTRICAL COMPONENTS
- TROUBLESHOOTING
  - TROUBLESHOOTING
  - SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE
- TUNING
  - CHASSIS
- WIRING DIAGRAM

Yamaha YZ250FN YZ250F 2022 Owner's Manual

Pages 368

Year 2022

Language(s)

of 368

Yamaha YZ250FN YZ250F 2022 Specification

The Yamaha YZ250FN YZ250F 2022 is a high-performance motocross bike designed for competitive racing and off-road adventures. This model is equipped with a liquid-cooled, 4-stroke, DOHC, 250cc engine that delivers exceptional power and torque across a wide RPM range. The advanced fuel injection system ensures optimal fuel delivery for enhanced throttle response and overall engine efficiency.

The YZ250F features a lightweight bilateral beam aluminum frame, providing superior rigidity and balance, which enhances handling and stability. The suspension system includes fully adjustable KYB® Speed-Sensitive System front forks and a KYB® rear shock, offering customizable damping and rebound settings to accommodate various riding conditions and rider preferences.

This bike is outfitted with a robust braking system, featuring a 270mm front disc brake and a 245mm rear disc brake, ensuring reliable stopping power and control. The YZ250F’s ergonomics are optimized for rider comfort and maneuverability, with a flat seat design, adjustable handlebar mounts, and grippy footpegs.

The 2022 model also incorporates advanced electronics, including a Yamaha Power Tuner app that allows riders to make real-time adjustments to the bike’s engine mapping via a smartphone, enabling fine-tuning for different tracks and conditions. Additionally, the bike is equipped with a compact, lightweight lithium-ion battery, contributing to its overall reduced weight and improved performance.

With a wet weight of approximately 234 pounds and a fuel capacity of 1.6 gallons, the Yamaha YZ250FN YZ250F 2022 is designed to offer an optimal balance between power, agility, and endurance, making it a top choice for motocross enthusiasts and competitive riders alike.

Yamaha YZ250FN YZ250F 2022 F.A.Q.

What is the recommended oil type for the Yamaha YZ250F 2022?

The recommended oil type for the Yamaha YZ250F 2022 is a high-performance 4-stroke motorcycle oil with a viscosity rating of 10W-40.

How often should the air filter be cleaned or replaced?

The air filter should be cleaned after every ride in dusty conditions or every 3-5 rides in normal conditions. It should be replaced if it shows signs of excessive wear or damage.

What is the correct tire pressure for the YZ250F 2022?

The recommended tire pressure for the Yamaha YZ250F 2022 is 15 psi for both the front and rear tires. Adjust according to riding conditions and rider preference.

How can I troubleshoot starting issues with the YZ250F?

Check the fuel supply, ensure the battery is charged, inspect the spark plug for fouling, and verify that the kill switch is in the correct position. If issues persist, consult a professional mechanic.

What maintenance should be done to the suspension system?

Regularly inspect the fork seals for leaks, check the rear shock absorber for damage, and adjust suspension settings according to your weight and riding style. Annually, consider a professional service for optimal performance.

How do I adjust the chain tension on the YZ250F 2022?

Loosen the axle nut, adjust the chain adjusters evenly on both sides to achieve the correct tension (about 30-40mm of slack), and then retighten the axle nut securely.

What are the signs that the clutch needs adjustment or replacement?

Signs include difficulty in shifting gears, slipping clutch, and a loose or overly tight clutch lever feel. If adjustments don't resolve the issue, inspect the clutch plates for wear and replace if necessary.

What type of coolant should be used for the YZ250F 2022?

Use a high-quality ethylene glycol-based antifreeze coolant with corrosion inhibitors, specifically designed for aluminum engines. It should be mixed with distilled water at a 50/50 ratio.

How can I improve the YZ250F's fuel efficiency?

Regular maintenance such as keeping the air filter clean, ensuring the tires are properly inflated, and maintaining correct chain tension can improve fuel efficiency. Riding smoothly and avoiding excessive idling also helps.

What is the break-in procedure for a new Yamaha YZ250F engine?

During the first 1-2 hours, avoid full throttle starts and high engine speeds. Gradually increase the load and engine speed while varying the RPM. After the break-in period, change the oil and oil filter.