Contents

- GENERAL INFORMATION
  - LOCATION OF IMPORTANT LABELS
  - DESCRIPTION
  - CONSUMER INFORMATION
  - FEATURES
  - INCLUDED PARTS
  - IMPORTANT INFORMATION
  - HANDLING THE ELECTRONIC PARTS
  - CHECKING OF CONNECTION
  - SPECIAL TOOLS
  - CONTROL FUNCTIONS
  - STARTING AND BREAK-IN
  - TORQUE-CHECK POINTS
  - CLEANING AND STORAGE
- SPECIFICATIONS
  - GENERAL SPECIFICATIONS
  - MAINTENANCE SPECIFICATIONS
  - TIGHTENING TORQUES
  - LUBRICATION DIAGRAMS
  - CABLE ROUTING DIAGRAM
- REGULAR INSPECTION AND ADJUSTMENTS
  - MAINTENANCE INTERVALS
  - PRE-OPERATION INSPECTION AND MAINTENANCE
  - ENGINE
  - CHASSIS
  - ELECTRICAL
  - TROUBLESHOOTING
- ENGINE
  - SEAT AND SIDE COVERS
  - EXHAUST PIPE AND SILENCER
  - RADIATOR
  - CAMSHAFTS
  - CYLINDER HEAD
  - VALVES AND VALVE SPRINGS
  - CYLINDER AND PISTON
  - CLUTCH
  - OIL FILTER ELEMENT AND WATER PUMP
  - BALANCER
  - OIL PUMP
  - KICK SHAFT AND SHIFT SHAFT
  - AC MAGNETO
  - ENGINE REMOVAL
  - CRANKCASE AND CRANKSHAFT
  - TRANSMISSION, SHIFT CAM AND SHIFT FORK
- CHASSIS
  - FRONT WHEEL AND REAR WHEEL
  - FRONT BRAKE AND REAR BRAKE
  - FRONT FORK
  - HANDLEBAR
  - STEERING
  - SWINGARM
  - REAR SHOCK ABSORBER
- FUEL SYSTEM
  - FUEL TANK
  - THROTTLE BODY
- ELECTRICAL
  - ELECTRICAL COMPONENTS AND WIRING DIAGRAM
  - IGNITION SYSTEM
  - THROTTLE POSITION SENSOR SYSTEM
  - FUEL INJECTION SYSTEM
  - FUEL PUMP SYSTEM
  - ELECTRICAL COMPONENTS
- TUNING
  - CHASSIS

Yamaha YZ450FZ 2010 Owner's Manual

Pages 318

Year 2010

Language(s)

of 318

Yamaha YZ450FZ 2010 Specification

The Yamaha YZ450FZ 2010 is a high-performance motocross bike engineered for competitive racing and demanding off-road conditions. It features a powerful 449cc liquid-cooled, DOHC, 4-stroke engine with a 4-valve, titanium intake design, optimized for peak power and efficiency. The innovative rearward-slanted cylinder design enhances mass centralization and improves handling dynamics. The fuel injection system ensures precise throttle response and improved fuel efficiency. The YZ450FZ boasts a lightweight aluminum bilateral beam frame, which provides exceptional rigidity and durability while maintaining a low overall weight.

The bike's suspension system includes a fully adjustable KYB Speed-Sensitive System (SSS) front fork and a KYB rear shock with Kashima coating, delivering superior damping performance and rider comfort. The braking system features wave-style disc brakes, offering reliable stopping power under various conditions. The ergonomics are designed for rider comfort and control, featuring a narrow seat and adjustable handlebar positions to accommodate different rider preferences.

Additionally, the YZ450FZ is equipped with a 5-speed transmission with optimized gear ratios for seamless power delivery across a wide range of speeds. The bike's overall dimensions include a wheelbase of 58.7 inches, a seat height of 39.1 inches, and a ground clearance of 13.2 inches. The fuel tank capacity stands at 1.6 gallons, suitable for extended rides without frequent refueling. Weighing in at approximately 245 pounds, the YZ450FZ strikes a balance between robust build quality and agile performance. This model exemplifies Yamaha's commitment to innovation, reliability, and competitive edge in the motocross segment.

Yamaha YZ450FZ 2010 F.A.Q.

What is the recommended engine oil for Yamaha YZ450FZ 2010?

The recommended engine oil for the Yamaha YZ450FZ 2010 is Yamalube 4-R 10W-50 or any high-quality 4-stroke motorcycle oil with a viscosity of 10W-50.

How often should I change the oil on my Yamaha YZ450FZ 2010?

It is recommended to change the engine oil every 5-10 hours of riding depending on the riding conditions. Regular oil changes help maintain optimal engine performance and longevity.

What is the proper tire pressure for the Yamaha YZ450FZ 2010?

The recommended tire pressure for the Yamaha YZ450FZ 2010 is 15 psi for both the front and rear tires. Adjust pressure based on terrain and rider preference.

How do I troubleshoot starting issues with my Yamaha YZ450FZ 2010?

To troubleshoot starting issues, check the battery charge, inspect the spark plug for wear or fouling, ensure that the fuel is fresh, and verify the operation of the kill switch and starter button.

What maintenance does the air filter require on the Yamaha YZ450FZ 2010?

The air filter should be cleaned after every ride in dusty conditions or every 5-10 hours of riding. Use a mild detergent and let it dry completely before re-oiling and reinstalling.

How can I adjust the suspension settings on my Yamaha YZ450FZ 2010?

To adjust the suspension, refer to the owner's manual for the baseline settings. Use the clickers on the forks and shock to make adjustments based on rider weight and terrain conditions.

What is the correct spark plug type for the Yamaha YZ450FZ 2010?

The correct spark plug type for the Yamaha YZ450FZ 2010 is NGK CR8E. Ensure the spark plug gap is set to 0.7-0.8 mm for optimal performance.

How do I maintain the chain on my Yamaha YZ450FZ 2010?

Regularly clean the chain with a brush and mild cleaner, then lubricate it with a quality chain lube. Check the tension and adjust as needed, aiming for 1.2-1.6 inches of slack.

What should I do if my Yamaha YZ450FZ 2010 overheats?

If overheating occurs, stop the engine immediately. Check the coolant level, radiator cap, and fan operation. Allow the bike to cool down before riding again.

How do I store my Yamaha YZ450FZ 2010 during the off-season?

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