VintCo piston kit PSY11-2.0 is a complete replacement assembly for Yamaha YZ80 models from 1976 to 1980. Intended for vintage 2-stroke engine rebuilds, it includes the piston, rings, pin and clips, and uses modern materials and manufacturing techniques to provide OEM-equivalent fitment and performance. This version is a 51 mm, +2.0 mm oversize forged piston with MoS2 coating, manufactured in Germany. A wrist pin bearing is available separately.

Features

• Complete piston kit with piston, rings, pin and clips
• Suitable for vintage 2-stroke Yamaha YZ80 engine rebuilds
• Designed for OEM-equivalent fitment and performance
• Prepared for initial running-in
• Wrist pin bearing sold separately
• Additional size options available

Specifications

• VintCo Part Number: PSY11-2.0
• Product type: Piston kit
• Nominal size: 51 mm
• Oversize: +2.0 mm
• Piston diameter: 50.95 mm
• Clearance: 0.05 mm
• Construction: Forged
• Coating: MoS2
• Manufacturing origin: Germany

Vehicle Fitments

• 1976 Yamaha YZ80
• 1977 Yamaha YZ80
• 1978 Yamaha YZ80
• 1979 Yamaha YZ80
• 1980 Yamaha YZ80