Contents

- GENERAL INFORMATION
  - LOCATION OF IMPORTANT LABELS
  - DESCRIPTION
  - IDENTIFICATION
  - INCLUDED PARTS
  - IMPORTANT INFORMATION
  - BASIC SERVICE INFORMATION
  - SPECIAL TOOLS
  - CONTROL FUNCTIONS
  - STARTING AND BREAK-IN
  - MAINTENANCE AFTER BREAK-IN
  - TORQUE-CHECK POINTS
  - CLEANING 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
  - 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
  - ENGINE REMOVAL
  - CAMSHAFT
  - CYLINDER HEAD
  - VALVES AND VALVE SPRINGS
  - CYLINDER AND PISTON
  - CLUTCH
  - KICKSTATER
  - SHIFT SHAFT
  - OIL PUMP AND BALANCER GEAR
  - AC MAGNETO
  - CRANKCASE
  - CRANKSHAFT ASSEMBLY AND BALANCER SHAFT
  - TRANSMISSION
- COOLING SYSTEM
  - RADIATOR
  - WATER PUMP
- FUEL SYSTEM
  - FUEL TANK
  - THROTTLE BODY
- ELECTRICAL SYSTEM
  - IGNITION SYSTEM
  - CHARGING SYSTEM
  - FUEL INJECTION SYSTEM
  - FUEL PUMP SYSTEM
  - ELECTRICAL COMPONENTS
- TROUBLESHOOTING
  - TROUBLESHOOTING
  - LIST OF SELF-DIAGNOSTIC AND FAIL-SAFE ACTIONS
- TUNING
  - CHASSIS
- YZ250FH 2017 WIRING DIAGRAM

Yamaha YZ250FH 2017 Owner's Manual

Pages 352

Year 2017

Language(s)

of 352

Yamaha YZ250FH 2017 Specification

The Yamaha YZ250FH 2017 is a high-performance motocross bike engineered for competitive racing and advanced off-road riding. It features a liquid-cooled, 250cc, four-stroke engine that is designed to deliver exceptional power and torque across a wide RPM range. The engine is equipped with a five-valve cylinder head, titanium intake valves, and a lightweight piston which contribute to its high-revving performance and durability.

The bike's frame is constructed from aluminum, providing a balance of strength and lightness, which enhances handling and agility. A fully adjustable KYB SSS (Speed Sensitive System) suspension is utilized both in the front fork and rear shock, allowing riders to fine-tune the bike's response to different terrains and riding styles. The braking system consists of a powerful, wave-style disc brake setup that ensures reliable stopping power and heat dissipation.

Ergonomically, the YZ250FH is designed with a flat seat profile and adjustable handlebar mounts, enabling riders to find their optimal riding position. The bike also features advanced electronics, including a digital CDI ignition system and a high-performance ECU, which provides precise control over the fuel injection and ignition timing for optimal engine performance.

Additionally, the YZ250FH incorporates a lightweight, high-capacity radiator with a large-capacity coolant reservoir to maintain optimal engine temperatures during intense rides. The air intake system is designed to maximize airflow while protecting the engine from dust and debris.

Overall, the Yamaha YZ250FH 2017 is a meticulously designed motocross machine that combines advanced engineering, high-quality materials, and innovative features to deliver superior performance, handling, and reliability on the track.

Yamaha YZ250FH 2017 F.A.Q.

What type of oil should I use for my Yamaha YZ250FH 2017?

For the Yamaha YZ250FH 2017, it is recommended to use a high-quality 4-stroke engine oil with a viscosity of 10W-40 or 10W-50, suitable for wet clutches.

How often should I change the air filter on my YZ250FH 2017?

The air filter should be checked and cleaned after every ride, especially in dusty conditions. Replace it if there are signs of excessive wear or damage.

What is the correct tire pressure for my Yamaha YZ250FH 2017?

For the YZ250FH 2017, the recommended tire pressure is typically around 12-15 psi for the front tire and 12-15 psi for the rear tire. Adjust according to terrain and rider preference.

How do I adjust the suspension on my YZ250FH 2017 for better handling?

To adjust the suspension, start by setting the sag according to your weight. Fine-tune the compression and rebound damping using the adjusters located on the forks and shock. Consult the owner's manual for detailed guidance.

What should I do if my YZ250FH 2017 won't start?

Check the fuel levels, inspect the spark plug for fouling, ensure the kill switch is in the run position, and verify that the fuel valve is open. If issues persist, consult a professional mechanic.

How can I improve the braking performance on my YZ250FH 2017?

Ensure the brake pads are in good condition and the brake rotors are clean and free from glazing. Bleed the brake system to remove any air and use high-quality brake fluid.

What regular maintenance is required for the chain on my YZ250FH 2017?

Regularly clean and lubricate the chain after every ride. Check for proper tension and adjust if necessary. Inspect for signs of wear and replace if needed.

How do I check the coolant level on my YZ250FH 2017?

To check the coolant level, locate the coolant reservoir and ensure the level is between the minimum and maximum marks. Top up with the recommended coolant if necessary.

Why is my YZ250FH 2017 engine overheating?

Engine overheating can be caused by low coolant levels, a clogged radiator, or a malfunctioning water pump. Ensure the cooling system is free from obstructions and the coolant is topped up.

What should I do if the clutch lever feels loose on my YZ250FH 2017?

If the clutch lever feels loose, check the clutch cable for proper tension and adjust it using the adjuster near the lever. Ensure there is a slight free play of about 10-15mm at the lever.