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 WR250FB 2012 Owner's Manual

Pages 316

Year 2012

Language(s)

of 316

Yamaha WR250FB 2012 Specification

The Yamaha WR250FB 2012 is a robust off-road motorcycle designed to deliver exceptional performance across a variety of terrains. It features a liquid-cooled, 4-stroke, DOHC, 4-valve engine with a displacement of 250cc, providing a balanced blend of power and efficiency. The bore and stroke measure 77.0mm x 53.6mm, and it has a compression ratio of 13.5:1. Fuel is delivered via a Mikuni® 38mm throttle body fuel injection system, ensuring precise throttle response and optimal performance.

The bike's transmission system includes a wide-ratio 6-speed gearbox, which enhances its versatility for different riding conditions. The WR250FB 2012 is equipped with a titanium exhaust system, which contributes to its lightweight design and improves overall engine efficiency. The chassis is constructed from a lightweight aluminum frame, providing durability and stability without compromising on agility.

Suspension duties are handled by a fully adjustable KYB® Speed-Sensitive System fork at the front, with 12.2 inches of travel, and a fully adjustable KYB® single shock at the rear, also with 12.2 inches of travel. This setup ensures excellent handling and shock absorption, making it suitable for rough and uneven terrain. The braking system consists of a 250mm hydraulic disc brake at the front and a 245mm hydraulic disc brake at the rear, offering reliable stopping power.

The bike has a seat height of 37.8 inches and a ground clearance of 11.8 inches, making it suitable for a variety of riders and riding conditions. It has a fuel tank capacity of 2.1 gallons, which is adequate for extended rides. The overall weight of the Yamaha WR250FB 2012 is 295 pounds, which includes all standard equipment, fluids, and a full fuel tank. This motorcycle combines advanced engineering with practical features, making it a formidable choice for off-road enthusiasts.

Yamaha WR250FB 2012 F.A.Q.

What are the recommended maintenance intervals for the 2012 Yamaha WR250FB?

The recommended maintenance intervals for the Yamaha WR250FB 2012 include: oil change every 600 miles or 3 months, air filter cleaning every 300 miles, and valve clearance check every 600 miles.

How do I troubleshoot starting issues with the Yamaha WR250FB 2012?

If the WR250FB is having starting issues, check the battery charge and connections, inspect the spark plug for wear or fouling, and ensure the fuel is fresh and reaching the engine.

What type of oil should I use for the Yamaha WR250FB 2012?

Use a high-quality 10W-40 motorcycle oil that meets the JASO MA standard for the Yamaha WR250FB 2012.

How can I adjust the suspension on my Yamaha WR250FB 2012 for better handling?

To adjust the suspension, refer to the owner's manual to adjust the front and rear suspension settings based on your weight and riding style. Adjust the preload, compression, and rebound settings as needed.

What is the proper tire pressure for the Yamaha WR250FB 2012?

The recommended tire pressure for the Yamaha WR250FB 2012 is 15 psi for the front tire and 18 psi for the rear tire for off-road use. Adjust according to the terrain and load.

How do I clean and maintain the air filter on the 2012 Yamaha WR250FB?

Remove the air filter, wash it with a mild detergent and water, let it dry completely, and apply air filter oil before reinstalling. Check and clean it regularly, especially after riding in dusty conditions.

What should I do if the engine overheats on my Yamaha WR250FB 2012?

If the engine overheats, stop the bike and let it cool down. Check coolant levels and inspect the radiator for blockages. Ensure the cooling fan is operational.

How do I replace the spark plug on a Yamaha WR250FB 2012?

To replace the spark plug, remove the spark plug cap, use a spark plug socket to unscrew the old plug, and install a new plug with the correct gap setting. Tighten to the specified torque.

What are the symptoms of a failing clutch on the Yamaha WR250FB 2012?

Symptoms of a failing clutch include slipping during acceleration, difficulty shifting gears, a spongy clutch lever feel, and unusual noises during clutch engagement.

How can I improve the fuel efficiency of my Yamaha WR250FB 2012?

To improve fuel efficiency, ensure the bike is properly tuned, maintain correct tire pressure, use high-quality fuel, and avoid aggressive acceleration and braking.