Contents

- GENERAL INFORMATION
  - LOCATION OF IMPORTANT LABELS
  - DESCRIPTION
  - CONSUMER INFORMATION
  - INCLUDED PARTS
  - IMPORTANT INFORMATION
  - CHECKING OF CONNECTION
  - SPECIAL TOOLS
  - CONTROL FUNCTIONS
  - STARTING AND BREAK-IN
  - TORQUE-CHECK POINTS
  - CLEANING AND STORAGE
- SPECIFICATIONS
  - GENERAL SPECIFICATIONS
  - MAINTENANCE SPECIFICATIONS
  - TIGHTENING TORQUES
  - 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 AND REED VALVE
  - CYLINDER HEAD, CYLINDER AND PISTON
  - CLUTCH
  - KICK SHAFT AND SHIFT SHAFT
  - YPVS GOVERNOR
  - WATER PUMP
  - 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
  - IGNITION SYSTEM
  - SOLENOID VALVE SYSTEM
  - THROTTLE POSITION SENSOR SYSTEM
- TUNING
  - ENGINE
  - CHASSIS

Yamaha YZ250E2 2015 Owner's Manual

Pages 250

Year 2015

Language(s)

of 250

Yamaha YZ250E2 2015 Specification

The Yamaha YZ250E2 2015 is a high-performance two-stroke motocross bike designed for competitive racing and off-road enthusiasts. This model is powered by a 249cc liquid-cooled, reed-valve inducted single-cylinder engine, which delivers robust power and impressive throttle response. The engine is paired with a constant-mesh 5-speed transmission, providing smooth and precise gear shifts essential for varying track conditions.

The YZ250E2 features a lightweight aluminum frame that enhances its agility and handling, making it easier for riders to navigate through tight corners and rough terrains. The front suspension system comprises fully adjustable 48mm inverted forks, while the rear suspension includes a fully adjustable single shock, both offering exceptional control and comfort over uneven surfaces. The braking system is equipped with a 250mm front disc and a 245mm rear disc, ensuring reliable stopping power.

Ergonomically, the YZ250E2 is designed with a race-inspired seat and handlebar positioning to optimize rider comfort and control. The bike's slim bodywork and flat seat facilitate easy movement, while the aggressive styling and graphics enhance its visual appeal. The fuel tank capacity is 2.1 gallons, which is adequate for extended riding sessions without frequent refueling.

The Yamaha YZ250E2 2015 stands out for its high-performance components, durable construction, and race-proven technology. It is engineered to meet the demands of serious racers and off-road riders, providing a blend of speed, agility, and reliability. The combination of a powerful engine, advanced suspension, and ergonomic design makes it a formidable contender in the motocross and off-road racing circuits.

Yamaha YZ250E2 2015 F.A.Q.

What type of oil should I use for the Yamaha YZ250E2 2015?

For the Yamaha YZ250E2 2015, it is recommended to use a high-quality 2-stroke engine oil. Look for oils that are specifically designed for 2-stroke motorcycles and meet the required specifications in the owner's manual.

How often should I clean the air filter on my Yamaha YZ250E2 2015?

The air filter should be cleaned after every ride in dusty conditions and at least every few rides under normal conditions. Regular cleaning ensures optimal performance and longevity of the engine.

What is the recommended tire pressure for the Yamaha YZ250E2 2015?

The recommended tire pressure for the Yamaha YZ250E2 2015 is typically around 12 psi for the front tire and 12 psi for the rear tire. Always check the owner's manual for specific recommendations.

How can I troubleshoot starting issues with my Yamaha YZ250E2 2015?

If your Yamaha YZ250E2 2015 won't start, check the spark plug, fuel supply, and ensure the kill switch is in the correct position. Inspect the ignition system and carburetor for any faults.

What are the common maintenance tasks for the Yamaha YZ250E2 2015?

Common maintenance tasks include regular oil changes, air filter cleaning, chain lubrication, brake inspections, and checking tire pressure. Follow the maintenance schedule in the owner's manual.

How do I adjust the suspension settings on my Yamaha YZ250E2 2015?

To adjust the suspension on your Yamaha YZ250E2 2015, use the adjusters located on the forks and the shock. Refer to the owner's manual for the recommended settings based on your weight and riding conditions.

Why does my Yamaha YZ250E2 2015 engine overheat, and how can I prevent it?

Engine overheating can be due to a clogged radiator, low coolant levels, or improper fuel mixture. Ensure the radiator is clean, the coolant is at the correct level, and the fuel mixture is as per specifications.

What is the break-in procedure for a new Yamaha YZ250E2 2015 engine?

The break-in procedure typically involves running the engine at various RPMs, avoiding full throttle, and frequently changing the engine oil after short intervals in the initial hours of operation. Consult the owner's manual for detailed instructions.

How do I replace the spark plug on my Yamaha YZ250E2 2015?

To replace the spark plug, remove the spark plug cap, use a spark plug wrench to unscrew the old plug, and install a new plug with the correct gap setting. Ensure it is tightened to the specified torque.

What should I check if my Yamaha YZ250E2 2015 experiences loss of power?

If your Yamaha YZ250E2 2015 is losing power, check the air filter, spark plug, and carburetor for clogs or damage. Ensure the fuel is fresh and the exhaust is not obstructed.