VintCo piston kit PSY12-1.0 is a 1.0 mm oversize replacement piston assembly for the 1981 Yamaha YZ80. Intended for vintage 2-stroke engine rebuilds, it includes the piston, rings, pin and clips, and is produced using modern manufacturing methods for OEM-equivalent fitment. The piston is forged, made in Germany, and finished with a MoS2 coating for running-in; a wrist pin bearing is available separately.

Features

• Complete piston kit with piston, rings, pin and clips
• Suitable for vintage 2-stroke engine rebuilds
• Separate wrist pin bearing available
• Additional size options available

Specifications

• VintCo Part Number: PSY12-1.0
• Piston size: 50.0 mm
• Oversize: 1.0 mm
• Measured piston diameter: 49.95 mm
• Clearance: 0.05 mm
• Construction: Forged
• Coating: MoS2
• Country of manufacture: Germany

Vehicle Fitments

• 1981 Yamaha YZ80