This top end piston kit is for 1978-1979 Yamaha YZ80 models and provides the primary components required for a top end rebuild in a 1.5 mm oversize configuration. The kit includes a piston, cylinder head gasket, cylinder base gasket, reed valve gasket, exhaust pipe gasket and wrist pin bearing, with kit pricing reflecting a 10% saving compared with purchasing the items individually.

Features

• Complete top end rebuild kit
• Includes piston, cylinder head gasket, cylinder base gasket, reed valve gasket, exhaust pipe gasket and wrist pin bearing
• Intended for 1.5 mm oversize top end rebuilds
• Kit price includes a 10% discount over individual items

Specifications

• VintCo Part Number: KTY23-1.5
• Piston type: Forged
• Country of manufacture: Germany
• Piston coating: MOS2
• Oversize: 1.5 mm
• Piston size: 50.5 mm
• Piston measurement stated in source content: 50.45 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