Contents

- GENERAL INFORMATION
  - DESCRIPTION
  - MACHINE IDENTIFICATION
  - IMPORTANT INFORMATION
  - CHECKING OF CONNECTION
  - SPECIAL TOOLS
  - CONTROL FUNCTIONS
  - FUEL
  - STARTING AND BREAK-IN
  - TORQUE-CHECK POINTS
  - CLEANING AND STORAGE
- SPECIFICATIONS
  - GENERAL SPECIFICATIONS
  - MAINTENANCE SPECIFICATIONS
  - GENERAL TORQUE SPECIFICATIONS
  - DEFINITION OF UNITS
  - CABLE ROUTING DIAGRAM
- REGULAR INSPECTION AND ADJUSTMENTS
  - MAINTENANCE INTERVALS
  - PRE-OPERATION INSPECTION AND MAINTENANCE
  - ENGINE
  - CHASSIS
  - ELECTRICAL
- ENGINE
  - SEAT, FUEL TANK AND SIDE COVERS
  - EXHAUST PIPE AND SILENCER
  - RADIATOR
  - CARBURETOR
  - CAMSHAFTS
  - CYLINDER HEAD
  - VALVES AND VALVE SPRINGS
  - CYLINDER AND PISTON
  - CLUTCH
  - OIL FILTER ELEMENT, WATER PUMP AND RIGHT CRANKCASE COVER
  - BALANCER
  - OIL PUMP
  - KICK SHAFT AND SHIFT SHAFT
  - CDI 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
- ELECTRICAL
  - ELECTRICAL COMPONENTS AND WIRING DIAGRAM
  - MAP-CONTROLLED CDI UNIT
  - IGNITION SYSTEM
  - THROTTLE POSITION SENSOR SYSTEM
- TUNING
  - ENGINE
  - CHASSIS

Yamaha YZ250FV 2006 Owner's Manual

Pages 310

Year 2006

Language(s)

of 310

Yamaha YZ250FV 2006 Specification

The Yamaha YZ250FV 2006 is a high-performance motocross bike renowned for its agility, power, and advanced engineering. It is equipped with a 249cc, liquid-cooled, two-stroke engine that delivers robust power and quick throttle response, making it suitable for competitive racing and intense off-road conditions. The engine features a reed valve induction system and a Keihin PWK38 carburetor, ensuring optimal fuel-air mixture for maximum efficiency and performance.

The transmission is a 5-speed constant mesh, enabling smooth and precise gear shifts. The bike's chassis is constructed from lightweight aluminum, providing a strong yet flexible framework that enhances handling and stability. The suspension system comprises a fully adjustable 48mm KYB inverted front fork and a fully adjustable KYB rear shock, both designed to absorb shocks and vibrations effectively, ensuring a comfortable and controlled ride.

Braking is handled by a 250mm disc brake at the front and a 245mm disc brake at the rear, offering reliable stopping power in various conditions. The YZ250FV 2006 also features a ProTaper aluminum handlebar, which reduces vibration and enhances rider comfort. The seat height is set at 39.1 inches, providing ample ground clearance and an aggressive riding stance.

The overall design incorporates a sleek, aerodynamic bodywork that not only improves aesthetics but also reduces drag. The fuel tank capacity is 2.1 gallons, allowing for extended riding sessions without frequent refueling. The dry weight of the bike is approximately 212 pounds, contributing to its nimble handling and quick maneuverability. With its blend of power, precision, and durability, the Yamaha YZ250FV 2006 stands out as a top choice for motocross enthusiasts and competitive riders.

Yamaha YZ250FV 2006 F.A.Q.

What is the recommended oil type for a Yamaha YZ250FV 2006?

The recommended oil for a Yamaha YZ250FV 2006 is a high-quality 2-stroke engine oil with an appropriate JASO FC or ISO-L-EGD rating.

How often should the air filter be cleaned on a YZ250FV 2006?

The air filter should be cleaned after every ride, especially in dusty conditions, to ensure optimal performance and engine longevity.

What is the correct spark plug gap for the YZ250FV 2006?

The correct spark plug gap for the Yamaha YZ250FV 2006 is 0.7-0.8 mm (0.028-0.031 inches).

How can I troubleshoot starting issues with my YZ250FV 2006?

Check the spark plug for fouling, ensure the fuel is fresh, verify the fuel petcock is on, and inspect the air filter for cleanliness.

What is the standard tire pressure for a Yamaha YZ250FV 2006?

The standard tire pressure for the YZ250FV 2006 is typically 12 psi for the front tire and 12 psi for the rear tire. Adjust according to terrain and rider preference.

How do I adjust the suspension settings on my YZ250FV 2006?

To adjust the suspension, refer to the owner’s manual for baseline settings. Use the compression and rebound adjusters on the forks and shock to fine-tune performance based on riding conditions and rider weight.

What are common maintenance tasks for the YZ250FV 2006?

Common tasks include checking and replacing the spark plug, cleaning or replacing the air filter, changing transmission oil, lubricating the chain, and inspecting brake pads and cables.

How can I prevent overheating in my YZ250FV 2006?

Ensure the radiator is clean and free of obstructions, use the correct coolant mixture, and check that the cooling fan (if applicable) is functioning properly.

What is the proper procedure for winterizing a YZ250FV 2006?

To winterize the YZ250FV 2006, drain the fuel tank and carburetor, remove the spark plug and add a small amount of oil into the cylinder, and store the bike in a dry, temperature-controlled environment.

How do I adjust the carburetor on my Yamaha YZ250FV 2006?

To adjust the carburetor, set the idle speed screw to the recommended RPM, and adjust the air screw for optimal throttle response and idle smoothness. Refer to the service manual for specific settings.