CYLINDER TOP END KIT YAMAHA YFM250 BEAR TRACKER 99-04, TIMBERWOLF 92-00, MOTO4

This Cylinder Top End Kit is a high-quality aftermarket replacement designed for Yamaha Bear Tracker 250, Timberwolf 250, and Moto-4 250 models. It includes all necessary components to rebuild your engine's top end, ensuring restored performance and reliability. The kit features a high-grade cast aluminium cylinder and a forged aluminium piston with a molybdenum Teflon-coated skirt for reduced friction and extended lifespan. The piston dome is anodized for superior heat resistance, and the included gaskets are made from performance materials to enhance durability. Professional installation is recommended to ensure optimal performance.

Features:

• High-grade cast aluminium cylinder for durability.
• Forged aluminium piston with molybdenum Teflon-coated skirt to minimize resistance and wear.
• Anodized piston dome for superior heat resistance and longer lifespan.
• Performance gaskets for increased durability and reliability.
• Complete kit includes piston, rings, pin, clips, and top-end gasket set.

Specifications:

• Cylinder Bore and Stroke: 71.00mm x 58.00mm.
• Cylinder Material: High-grade cast aluminium.
• Piston Material: Forged aluminium.

Vehicle Fitment:

• Yamaha Bear Tracker 250 1999-2004
• Yamaha Timberwolf 250 1992-2000
• Yamaha Moto-4 250 1989-1991

Cross-Reference OEM Part Numbers:

• 4BD-11310-01-00
• 5VC-11351-01-00
• 4BD-11631-00-Y0
• 4BD-11610-00-00
• 29U-11633-00-00
• 93450-17044-00
• DR7-EA000-00-00
• 3GH-11181-00-00

Majority of our listings are for a direct replacement for your original part.

Our parts are made of quality and are designed to meet or exceed the original OEM Standards.

Our products are often a cost effective alternative to genuine OEM Parts.

Please note: the models of bike we state in our listings are for general guidance only. Please make sure this item will fit your bike before purchasing. Also, we cannot guarantee fitment to any non-UK models.