Yamaha YZ250A1 2012 Owner's Manual

Yamaha YZ250A1 2012 manual cover
Pages 250
Year 2012
Language(s)
English en

Yamaha YZ250A1 2012 Specification

The Yamaha YZ250A1 2012 is a high-performance motocross bike renowned for its agility, power, and advanced engineering. It features a liquid-cooled, 249cc, 2-stroke engine that delivers robust acceleration and a broad powerband, making it competitive in various racing conditions. The reed-valve induction system ensures optimal fuel-air mixture, enhancing throttle response and fuel efficiency. This powerhouse is paired with a 5-speed close-ratio transmission, providing the rider with precise control over power delivery across different terrains.

The chassis of the YZ250A1 is designed for superior handling and stability. It utilizes a lightweight aluminum frame that offers the perfect balance between rigidity and flexibility, ensuring responsive handling during aggressive riding. The front suspension is handled by a fully adjustable, inverted 48mm Kayaba fork, which provides excellent damping characteristics and can be fine-tuned for various track conditions. At the rear, a fully adjustable Kayaba shock absorber with a linkage system offers exceptional traction and stability over rough terrain.

Braking is managed by a high-performance system featuring a 250mm front disc and a 245mm rear disc, both with advanced calipers that deliver strong, consistent stopping power. The bike's ergonomics are optimized for rider comfort and control, with a slim, flat seat and strategically placed handlebars and footpegs that allow for easy movement and weight shifting.

The Yamaha YZ250A1 also boasts a modern, aggressive design with sharp lines and a striking color scheme. The minimalistic bodywork not only enhances its aesthetic appeal but is also practical, reducing weight and allowing for easy maintenance. This model is a testament to Yamaha's commitment to innovation and quality in the motocross segment, offering riders a competitive edge on the track.

Yamaha YZ250A1 2012 F.A.Q.

What is the recommended engine oil for a Yamaha YZ250A1 2012?

The recommended engine oil for the Yamaha YZ250A1 2012 is a high-quality 2-stroke motorcycle oil with a JASO FC rating, such as Yamalube 2-R.

How often should I change the transmission oil on my Yamaha YZ250A1 2012?

It is recommended to change the transmission oil every 5 to 10 hours of riding or after every race for optimal performance and longevity of the engine parts.

What is the correct spark plug gap for the Yamaha YZ250A1 2012?

The correct spark plug gap for the Yamaha YZ250A1 2012 is 0.7-0.8 mm (0.028-0.031 inches).

How can I troubleshoot starting issues with my Yamaha YZ250A1 2012?

Check the spark plug for wear or fouling, ensure the fuel is fresh, inspect the carburetor for blockages, and verify the ignition system is working properly.

What type of coolant should be used in the Yamaha YZ250A1 2012?

Use a high-quality ethylene glycol-based coolant designed for aluminum engines, mixed with distilled water at a 50/50 ratio.

How do I adjust the chain tension on the Yamaha YZ250A1 2012?

Loosen the axle nut, adjust the chain adjusters evenly on both sides until the chain has about 30-40 mm (1.2-1.6 inches) of slack, then retighten the axle nut.

What is the recommended tire pressure for the Yamaha YZ250A1 2012?

The recommended tire pressure for the Yamaha YZ250A1 2012 is typically 12-15 psi for the front tire and 12-15 psi for the rear tire, depending on the terrain and rider preference.

How can I maintain the air filter on my Yamaha YZ250A1 2012?

Clean the air filter with a mild soap and water, allow it to dry completely, then apply a light coating of air filter oil before reinstalling. Regular maintenance is important to ensure optimal engine performance.

What are common signs of clutch wear on the Yamaha YZ250A1 2012?

Common signs of clutch wear include slipping during acceleration, difficulty in shifting gears, and a change in clutch lever feel. Regular inspection and adjustment may be necessary.

How do I properly store my Yamaha YZ250A1 2012 for the winter?

Clean the bike thoroughly, drain the fuel or add a fuel stabilizer, lubricate moving parts, remove the battery and store it in a cool, dry place, and cover the bike to protect it from dust and moisture.