PISTON KIT 76-80 YAMAHA YZ 80 50.5mm OVER VINTCO PSY11-1.5

VintCo PSY11-1.5 is a piston kit for Yamaha YZ80 models from 1976 to 1980, intended for vintage 2-stroke engine rebuilds. This oversize kit is designed to provide OEM-equivalent or better fitment and performance, using modern materials and manufacturing techniques. It includes the piston, rings, pin and clips for assembly, while a wrist pin bearing is available separately.

Features

• Complete piston kit with piston, rings, pin and clips
• Intended for vintage 2-stroke engine rebuilds
• Designed for OEM-equivalent or better fitment and performance
• Supports running-in
• Wrist pin bearing sold separately
• Additional size options available
• OEM part number reference used to confirm fitment

Specifications

• VintCo Part Number: PSY11-1.5
• Forged piston
• Made in Germany
• MoS2 coated
• Oversize: +1.5 mm
• Nominal size: 50.5 mm
• Piston size: 50.45 mm
• Clearance: 0.05 mm

Vehicle Fitments

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