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TOP END PISTON KIT 81-81 YAMAHA YZ 80 50.5mm 1.5mm OVER VINTCO KTY25-1.5
  • TOP END PISTON KIT 81-81 YAMAHA YZ 80 50.5mm 1.5mm OVER VINTCO KTY25-1.5
  • TOP END PISTON KIT 81-81 YAMAHA YZ 80 50.5mm 1.5mm OVER VINTCO KTY25-1.5
  • TOP END PISTON KIT 81-81 YAMAHA YZ 80 50.5mm 1.5mm OVER VINTCO KTY25-1.5
  • TOP END PISTON KIT 81-81 YAMAHA YZ 80 50.5mm 1.5mm OVER VINTCO KTY25-1.5
TOP END PISTON KIT 81-81 YAMAHA YZ 80 50.5mm 1.5mm OVER VINTCO KTY25-1.5

TOP END PISTON KIT 81-81 YAMAHA YZ 80 50.5mm 1.5mm OVER VINTCO KTY25-1.5

£171.87 GBP
Taxes included. Shipping calculated at checkout.

This VintCo top-end piston kit is intended for the 1981 Yamaha YZ80 and supplies the main components required for a top-end rebuild in a 1.5 mm oversize configuration. The kit includes a forged piston, cylinder head gasket, cylinder base gasket, reed valve gasket, exhaust pipe gasket and wrist pin bearing, and is priced at a 10% saving compared with the individual items.

Features

  • Complete top-end piston kit for top-end rebuild work
  • Includes piston, cylinder head gasket, cylinder base gasket, reed valve gasket, exhaust pipe gasket and wrist pin bearing
  • MOS2-coated piston to support running-in

Specifications

  • VintCo Part Number: KTY25-1.5
  • Nominal piston size: 50.5 mm
  • Oversize: 1.5 mm
  • Piston size: 50.45 mm
  • Clearance: 0.05 mm
  • Piston construction: Forged
  • Piston coating: MOS2
  • Country of manufacture: Germany

Cross-Reference OEM Part Numbers

  • Cylinder head gasket: 4V1-11181-00-00
  • Cylinder base gasket: 4V0-11351-10-00
  • Reed valve gasket: 3TT-13621-00-00
  • Exhaust pipe gasket: 3PA-14613-10-00

Vehicle Fitments

  • 1981 Yamaha YZ80