PISTON KIT 76-80 YAMAHA YZ 80 50.5mm OVER VINTCO PSY11-1.5
VintCo PSY11-1.5 is a forged, MoS2 coated piston kit made in Germany for vintage 2-stroke engine rebuilds. This kit features an oversize of +1.5 mm with a nominal size of 50.5 mm and a piston size of 50.45 mm, providing 0.05 mm clearance. It is designed for OEM-equivalent fitment and performance and includes the piston, rings, pin, and clips. A wrist pin bearing is sold separately. The nominal size is 50.5 mm and the piston size is 50.45 mm.
- SKU
- VIN-PSY11-1.5
- Brand
- Vintco
- Availability
- Out of Stock
FULL DESCRIPTION
VintCo Oversize Piston Kit for Yamaha YZ80 (1976-1980)
Revitalize your vintage 2-stroke Yamaha YZ80 with this high-quality VintCo Oversize Piston Kit. Engineered for engine rebuilds, this kit offers a +1.5 mm oversize solution, bringing your piston’s nominal size to 50.5 mm. Designed to meet or exceed original equipment manufacturer (OEM) specifications, VintCo utilizes modern materials and advanced manufacturing techniques to ensure superior fitment and performance.
This comprehensive kit includes everything needed for a successful piston replacement: the forged piston itself, essential piston rings, a durable wrist pin, and securing clips. The piston features an MoS2 coating for enhanced lubrication and reduced friction, promoting optimal running-in and extended engine life. Manufactured in Germany, this VintCo piston kit embodies precision engineering and reliability for your classic Yamaha motocross machine.
Key Features:
- Complete piston kit for vintage 2-stroke engine rebuilds.
- Oversize: +1.5 mm, with a nominal bore size of 50.5 mm.
- Forged piston construction for enhanced durability.
- MoS2 coating for improved lubrication and break-in performance.
- Includes piston, rings, pin, and clips for easy installation.
- Designed for OEM-equivalent or better fitment and performance.
- Precision manufactured in Germany.
- Wrist pin bearing is sold separately.
- Additional oversize options are available.
Specifications:
- Piston Size: 50.45 mm
- Clearance: 0.05 mm
- VintCo Part Number: PSY11-1.5