This top end piston kit is designed for the 1981 Yamaha IT250 and combines the main components required for a top-end rebuild in one package. The kit includes a forged piston made in Germany with an MOS2 coating for break-in, a cylinder head gasket, cylinder base gasket, intake gasket, exhaust pipe gasket, and a wrist pin bearing. Kit pricing is 10% lower than purchasing the items individually.

Features

• Complete top end piston kit
• Forged piston made in Germany
• MOS2-coated piston for break-in
• Includes cylinder head gasket
• Includes cylinder base gasket
• Includes intake gasket
• Includes exhaust pipe gasket
• Includes wrist pin bearing

Specifications

• VintCo Part Number: KTY44-0.5
• Piston size: 70.5 mm
• Oversize: +0.5 mm
• Piston diameter: 70.44 mm
• Clearance: 0.06 mm

Cross-Reference OEM Part Numbers

• Cylinder head gasket: 1W3-11181-00-00
• Cylinder base gasket: 3R4-11351-01-00
• Intake gasket: 80L-13621-01-00
• Exhaust pipe gasket: 3R4-14613-00-00

Vehicle Fitments

• 1981 Yamaha IT250