PISTON KIT 81-81 YAMAHA YZ 80 49.5mm 0.5mm OVER VINTCO PSY12-0.5

This VintCo piston kit is designed for the 1981 Yamaha YZ80 and suits vintage 2-stroke engine rebuilds. Manufactured in Germany using modern materials and production methods, it is intended to provide OEM-style fitment and performance. The kit includes a 49.5 mm piston in +0.5 mm oversize, along with the rings, pin and clips required for installation. A wrist pin bearing is available separately, and additional size options are also available.

Features

• Complete piston kit with piston, rings, pin and clips
• Suitable for vintage 2-stroke engine rebuilds
• Forged piston
• MoS2 coated for break-in
• Wrist pin bearing sold separately
• Additional size options available

Specifications

• VintCo Part Number: PSY12-0.5
• Piston size: 49.5 mm
• Oversize: +0.5 mm
• Piston measurement: 49.45 mm
• Clearance: 0.05 mm
• Made in Germany

Vehicle Fitments

• 1981 Yamaha YZ80