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
- YZ450FH 2017 WIRING DIAGRAM

Yamaha YZ450FH 2017 Owner's Manual

Pages 360

Year 2017

Language(s)

of 360

Yamaha YZ450FH 2017 Specification

The Yamaha YZ450FH 2017 is a high-performance motocross bike engineered for competitive racing and adept handling. It is powered by a 449cc liquid-cooled, DOHC, four-stroke engine that incorporates a forward-positioned straight intake for enhanced air intake efficiency and performance. This engine delivers robust power across the rev range, optimized for both low-end torque and high-end speed. The bike features a five-speed transmission system that ensures smooth and precise gear shifts, providing riders with the agility needed on diverse terrains.

The chassis of the YZ450FH 2017 is constructed from aluminum, offering a lightweight yet durable frame that enhances the bike’s agility and stability. The bilateral beam frame design contributes to the bike’s excellent handling characteristics, allowing for sharper cornering and improved control. The suspension system is equipped with KYB air-oil separate front forks and a KYB rear shock, both fully adjustable to accommodate various riding conditions and preferences. This advanced suspension setup ensures exceptional shock absorption and stability, providing riders with a more comfortable and controlled ride.

The bike is also equipped with a high-performance braking system, featuring wave-style rotors that improve heat dissipation and offer superior stopping power. The ergonomics of the YZ450FH are designed for rider comfort and control, with adjustable handlebar positions and a seat that offers optimal grip and comfort. The bike’s bodywork is streamlined, reducing drag and contributing to its overall aerodynamic efficiency.

Additional features include a compact fuel tank that enhances the bike’s center of gravity, an advanced digital CDI ignition system, and a lightweight, high-capacity radiator. The Yamaha YZ450FH 2017 stands out as a top-tier motocross bike, combining power, precision, and durability to meet the demands of serious riders and racers.

Yamaha YZ450FH 2017 F.A.Q.

What is the recommended engine oil type for the Yamaha YZ450FH 2017?

The recommended engine oil type for the Yamaha YZ450FH 2017 is SAE 10W-40, with a rating of API SG or higher. Ensure it is suitable for wet clutch systems.

How often should the air filter be cleaned on the Yamaha YZ450FH 2017?

The air filter should be cleaned after every ride in dusty conditions, or every 3-4 rides in less harsh environments. Regular maintenance ensures optimal performance.

What is the correct tire pressure for the Yamaha YZ450FH 2017?

The recommended tire pressure for the Yamaha YZ450FH 2017 is 12 psi for the front tire and 12 psi for the rear tire. Adjust according to terrain and riding style.

How do you adjust the suspension settings on the Yamaha YZ450FH 2017?

To adjust suspension settings, refer to the owner's manual for specific guidelines. Typically, use the clickers on the fork and shock to adjust compression and rebound damping according to your weight and riding conditions.

What should I do if the Yamaha YZ450FH 2017 won't start?

If your Yamaha YZ450FH 2017 won't start, check the fuel level, ensure the kill switch is in the 'run' position, inspect the spark plug, and verify battery charge. If issues persist, a professional inspection may be necessary.

How can I improve the performance of my Yamaha YZ450FH 2017?

To improve performance, consider upgrading the exhaust system, optimizing the ECU mapping, ensuring regular maintenance, and using high-quality lubricants and fuel. Adjust the suspension to match your riding style.

How do I change the spark plug on the Yamaha YZ450FH 2017?

To change the spark plug, remove the seat and fuel tank to access the cylinder head. Use a spark plug wrench to remove the old plug and install a new one, ensuring proper gap and torque specifications are followed.

What is the service interval for the valve clearance check on the Yamaha YZ450FH 2017?

Valve clearance should be checked every 20 hours of operation. Regular checks help ensure the engine operates efficiently and prevent potential damage.

How can I reduce the noise level of my Yamaha YZ450FH 2017 without sacrificing performance?

To reduce noise levels, consider installing a quieter exhaust system with a noise-reducing insert or baffle. Regular maintenance of the exhaust can also prevent unnecessary noise.

What should I check during the pre-ride inspection of the Yamaha YZ450FH 2017?

During a pre-ride inspection, check the tire pressure, chain tension, brake functionality, fluid levels, and ensure all bolts are secure. This helps ensure safety and optimal performance.