Skip to product information
PISTON KIT 76-80 YAMAHA YZ 80 50.5mm OVER VINTCO PSY11-1.5
  • PISTON KIT 76-80 YAMAHA YZ 80 50.5mm OVER VINTCO PSY11-1.5
  • PISTON KIT 76-80 YAMAHA YZ 80 50.5mm OVER VINTCO PSY11-1.5
  • PISTON KIT 76-80 YAMAHA YZ 80 50.5mm OVER VINTCO PSY11-1.5
  • PISTON KIT 76-80 YAMAHA YZ 80 50.5mm OVER VINTCO PSY11-1.5
  • PISTON KIT 76-80 YAMAHA YZ 80 50.5mm OVER VINTCO PSY11-1.5
  • PISTON KIT 76-80 YAMAHA YZ 80 50.5mm OVER VINTCO PSY11-1.5
  • PISTON KIT 76-80 YAMAHA YZ 80 50.5mm OVER VINTCO PSY11-1.5
  • PISTON KIT 76-80 YAMAHA YZ 80 50.5mm OVER VINTCO PSY11-1.5
  • PISTON KIT 76-80 YAMAHA YZ 80 50.5mm OVER VINTCO PSY11-1.5
  • PISTON KIT 76-80 YAMAHA YZ 80 50.5mm OVER VINTCO PSY11-1.5
PISTON KIT 76-80 YAMAHA YZ 80 50.5mm OVER VINTCO PSY11-1.5

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

£90.68 GBP
Taxes included. Shipping calculated at checkout.

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