This top end piston kit is designed for 1978-1979 Yamaha YZ80 models and is supplied as a complete package with a forged piston made in Germany, cylinder head gasket, cylinder base gasket, reed valve gasket, exhaust pipe gasket and wrist pin bearing. The piston is MOS2 coated for running-in, and the kit price includes a 10% discount compared with purchasing the individual items separately.

Features

• Complete top end piston kit
• Forged piston
• Made in Germany
• MOS2 coated for running-in
• Includes cylinder head gasket
• Includes cylinder base gasket
• Includes reed valve gasket
• Includes exhaust pipe gasket
• Includes wrist pin bearing

Specifications

• VintCo Part Number: KTY23-0.5
• Piston size: 49.5 mm
• Oversize: 0.5 mm
• Piston measurement: 49.45 mm
• Clearance: 0.05 mm

Cross-Reference OEM Part Numbers

• Cylinder Head Gasket: 2J5-11181-00-00
• Cylinder Base Gasket: 2J5-11351-01-00
• Reed Valve Gasket: 87A-13621-00-00
• Exhaust Pipe Gasket: 3PA-14613-10-00

Vehicle Fitments

• 1978 Yamaha YZ80
• 1979 Yamaha YZ80