Skip to product information
TOP END PISTON KIT 78-79 YAMAHA YZ 80 49.5mm 0.5mm OVER VINTCO KTY23-0.5
  • TOP END PISTON KIT 78-79 YAMAHA YZ 80 49.5mm 0.5mm OVER VINTCO KTY23-0.5
  • TOP END PISTON KIT 78-79 YAMAHA YZ 80 49.5mm 0.5mm OVER VINTCO KTY23-0.5
  • TOP END PISTON KIT 78-79 YAMAHA YZ 80 49.5mm 0.5mm OVER VINTCO KTY23-0.5
  • TOP END PISTON KIT 78-79 YAMAHA YZ 80 49.5mm 0.5mm OVER VINTCO KTY23-0.5
TOP END PISTON KIT 78-79 YAMAHA YZ 80 49.5mm 0.5mm OVER VINTCO KTY23-0.5

TOP END PISTON KIT 78-79 YAMAHA YZ 80 49.5mm 0.5mm OVER VINTCO KTY23-0.5

£166.20 GBP
Taxes included. Shipping calculated at checkout.

This top end piston kit is designed for 1978-1979 Yamaha YZ80 models and is supplied as a complete package with a forged piston made in Germany, cylinder head gasket, cylinder base gasket, reed valve gasket, exhaust pipe gasket and wrist pin bearing. The piston is MOS2 coated for running-in, and the kit price includes a 10% discount compared with purchasing the individual items separately.

Features

  • Complete top end piston kit
  • Forged piston
  • Made in Germany
  • MOS2 coated for running-in
  • Includes cylinder head gasket
  • Includes cylinder base gasket
  • Includes reed valve gasket
  • Includes exhaust pipe gasket
  • Includes wrist pin bearing

Specifications

  • VintCo Part Number: KTY23-0.5
  • Piston size: 49.5 mm
  • Oversize: 0.5 mm
  • Piston measurement: 49.45 mm
  • Clearance: 0.05 mm

Cross-Reference OEM Part Numbers

  • Cylinder Head Gasket: 2J5-11181-00-00
  • Cylinder Base Gasket: 2J5-11351-01-00
  • Reed Valve Gasket: 87A-13621-00-00
  • Exhaust Pipe Gasket: 3PA-14613-10-00

Vehicle Fitments

  • 1978 Yamaha YZ80
  • 1979 Yamaha YZ80