This top end piston kit is for the 1984 Yamaha YZ80 and includes the components required for a top-end service in a 49 mm, 1.0 mm oversize configuration. The kit contains a forged piston, cylinder head gasket, cylinder base gasket, reed valve gasket, exhaust pipe gasket and wrist pin bearing. Kit pricing reflects a 10% reduction compared with purchasing the items individually.

Features

• Top end piston kit for engine rebuild or service work
• Includes forged piston
• Includes cylinder head gasket
• Includes cylinder base gasket
• Includes reed valve gasket
• Includes exhaust pipe gasket
• Includes wrist pin bearing
• MOS2-coated piston for running-in

Specifications

• VintCo Part Number: KTY59-1.0
• Piston size: 49 mm
• Oversize: 1.0 mm over
• Piston diameter: 48.95 mm
• Clearance: 0.05 mm
• Piston construction: Forged
• Country of manufacture: Germany
• Piston coating: MOS2

Cross-Reference OEM Part Numbers

• Cylinder Head Gasket: 58T-11181-01-00
• Cylinder Base Gasket: 4V0-11351-10-00
• Reed Valve Gasket: 39K-13621-01-00
• Exhaust Pipe Gasket: 4BR-14613-00-00

Vehicle Fitments

• 1984 Yamaha YZ80