Contents

- GENERAL INFORMATION
  - LOCATION OF IMPORTANT LABELS
  - DESCRIPTION
  - CONSUMER INFORMATION
  - INCLUDED PARTS
  - IMPORTANT INFORMATION
  - CHECKING OF CONNECTION
  - SPECIAL TOOLS
  - CONTROL FUNCTIONS
  - MULTI-FUNCTION DISPLAY
  - 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
  - PERIODIC MAINTENANCE CHART FOR THE EMISSION CONTROL SYSTEM
  - GENERAL MAINTENANCE AND LUBRICATION CHART
  - MAINTENANCE INTERVALS FOR COMPETITION USE
  - PRE-OPERATION INSPECTION AND MAINTENANCE
  - ENGINE
  - CHASSIS
  - ELECTRICAL
- TUNING
  - CHASSIS
- ENGINE
  - RADIATOR
  - CARBURETOR
  - AIR INDUCTION SYSTEM
  - 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 AND STARTER CLUTCH
  - 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
- ELECTRICAL
  - ELECTRICAL COMPONENTS AND WIRING DIAGRAM
  - IGNITION SYSTEM
  - ELECTRIC STARTING SYSTEM
  - CHARGING SYSTEM
  - THROTTLE POSITION SENSOR SYSTEM
  - LIGHTING SYSTEM
  - SIGNALING SYSTEM

Yamaha WR450FA 2011 Owner's Manual

Pages 312

Year 2011

Language(s)

of 312

Yamaha WR450FA 2011 Specification

The Yamaha WR450FA 2011 is a high-performance off-road motorcycle designed for enduro enthusiasts. It features a robust 449cc, liquid-cooled, DOHC, 4-stroke engine that provides a potent combination of power and torque, essential for tackling difficult terrains. The engine is paired with a 5-speed wide-ratio transmission that ensures smooth and responsive gear shifts, optimizing performance across various speeds and conditions.

The WR450FA's frame is constructed from a lightweight aluminum, enhancing its agility and handling without compromising durability. Its suspension system includes fully adjustable forks at the front and a rear shock absorber, both engineered to offer exceptional control and comfort over rugged trails. Braking is handled by a powerful front and rear disc brake setup, providing reliable stopping power in all conditions.

Ergonomically designed for rider comfort, the WR450FA features a narrow seat and slim bodywork, allowing for easy maneuverability and reducing rider fatigue on long rides. The bike also comes with an electric start system, adding convenience, especially in challenging environments where kick-starting could be difficult.

Additional features include a multifunctional digital display that provides crucial information such as speed, trip distance, and engine diagnostics, enhancing the rider's control and awareness. With its combination of advanced engineering, high-quality components, and thoughtful design, the Yamaha WR450FA 2011 stands out as a formidable machine in the world of off-road motorcycles.

Yamaha WR450FA 2011 F.A.Q.

What is the recommended oil type and capacity for the Yamaha WR450FA 2011?

The recommended oil type for the Yamaha WR450FA 2011 is SAE 10W-40, and the oil capacity is approximately 1.2 liters (1.27 US quarts) without changing the oil filter.

How often should the air filter be cleaned or replaced on the WR450FA 2011?

The air filter should be inspected and cleaned every 200 miles (320 km) or sooner if riding in dusty conditions. Replace it if it is damaged or excessively dirty.

What is the correct tire pressure for the Yamaha WR450FA 2011?

The recommended tire pressure for the Yamaha WR450FA 2011 is 15 psi (103 kPa) for both the front and rear tires. Adjust pressure based on riding conditions and load.

How do I adjust the chain tension on the WR450FA 2011?

To adjust the chain tension, place the bike on a stand, loosen the axle nut, and adjust the chain adjusters evenly on both sides until you achieve 1.4-1.8 inches (35-45 mm) of slack in the chain. Tighten the axle nut securely after adjustment.

What are the signs of a failing clutch on the Yamaha WR450FA 2011?

Signs of a failing clutch include slipping under load, difficulty shifting gears, a spongy clutch lever feel, and unusual noises when engaging the clutch. Regular inspection and maintenance can prevent clutch issues.

How often should I check the valve clearance on my WR450FA 2011?

Valve clearance should be checked every 600 miles (1,000 km) or as specified in the owner’s manual. Improper clearance can lead to poor engine performance and potential damage.

What are the common electrical issues on the WR450FA 2011 and how can they be resolved?

Common electrical issues include a non-starting engine, dim or flickering lights, and blown fuses. These can often be resolved by checking the battery condition, ensuring all connections are tight, and replacing any damaged wiring or fuses.

How can I improve the fuel efficiency of my Yamaha WR450FA 2011?

Improving fuel efficiency can be achieved by maintaining proper tire pressure, performing regular engine maintenance, using high-quality fuel, and riding at moderate speeds with smooth acceleration and deceleration.

What is the proper way to store the WR450FA 2011 during the off-season?

To store the WR450FA 2011 during the off-season, clean the bike thoroughly, change the oil and filter, fill the fuel tank and add a fuel stabilizer, disconnect the battery, and store the bike in a cool, dry place. Cover the bike to protect it from dust and debris.

What should I do if the WR450FA 2011 engine overheats?

If the engine overheats, stop riding immediately and turn off the engine. Allow it to cool down before checking the coolant level and ensuring the radiator is not blocked. If overheating persists, consult a professional mechanic to diagnose potential issues.