TOP END PISTON KIT 84-85 YAMAHA YZ 250 68.5mm 0.5mm OVER VINTCO KTY37-0.5

Vintco Top End Piston Kit for Yamaha YZ250 (0.5mm Oversize)

Restore your Yamaha YZ250's performance with this comprehensive Vintco Top End Piston Kit. Designed for 1984-1985 models, this kit provides a 0.5mm oversize solution, bringing the piston diameter to 68.5mm for a precise fit and renewed power.

At the heart of this kit is a premium forged piston, expertly manufactured in Germany. It features a MOS2 coating, engineered to facilitate a smooth and efficient running-in process, ensuring longevity and optimal performance from the start.

This complete kit includes all the necessary components for a full top-end rebuild. You'll find a high-quality forged piston, along with a full set of top-end gaskets, including head, base, intake, exhaust pipe, holder, and YPVS housing gaskets. An O-ring and a crucial wrist pin bearing are also included, providing everything needed for a professional and reliable reassembly.

Purchasing this kit offers a significant advantage, as the bundled price represents a 10% reduction compared to buying each component individually.

Key Features:

• Complete top end piston kit for Yamaha YZ250.
• Includes a high-performance forged piston manufactured in Germany.
• Features a MOS2 coating on the piston for enhanced running-in.
• Comprehensive set of included gaskets: head, base, intake, exhaust pipe, holder, and YPVS housing.
• Includes necessary O-ring and wrist pin bearing.
• Offers a 10% saving compared to purchasing individual parts.

Specifications:

• Nominal Cylinder Size: 68.5 mm
• Piston Oversize: 0.5 mm
• Piston Diameter: 68.44 mm
• Clearance: 0.06 mm