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TOP END PISTON KIT 81-81 YAMAHA YZ 80 50.0mm 1.0mm OVER VINTCO KTY25-1.0
  • TOP END PISTON KIT 81-81 YAMAHA YZ 80 50.0mm 1.0mm OVER VINTCO KTY25-1.0
  • TOP END PISTON KIT 81-81 YAMAHA YZ 80 50.0mm 1.0mm OVER VINTCO KTY25-1.0
  • TOP END PISTON KIT 81-81 YAMAHA YZ 80 50.0mm 1.0mm OVER VINTCO KTY25-1.0
  • TOP END PISTON KIT 81-81 YAMAHA YZ 80 50.0mm 1.0mm OVER VINTCO KTY25-1.0
TOP END PISTON KIT 81-81 YAMAHA YZ 80 50.0mm 1.0mm OVER VINTCO KTY25-1.0

TOP END PISTON KIT 81-81 YAMAHA YZ 80 50.0mm 1.0mm OVER VINTCO KTY25-1.0

£171.87 GBP
Taxes included. Shipping calculated at checkout.

VintCo top end piston kit for the 1981 Yamaha YZ80, supplied as a complete top end rebuild package with a forged piston, gasket set and wrist pin bearing. Kit pricing includes a 10% discount compared with purchasing the items individually. The piston is made in Germany and features an MOS2 coating for running-in, with a 1.0 mm oversize configuration for 50.0 mm applications.

Features

  • Complete top end piston kit
  • Includes forged piston
  • MOS2 coated for running-in
  • Made in Germany
  • Includes cylinder head gasket
  • Includes cylinder base gasket
  • Includes reed valve gasket
  • Includes exhaust pipe gasket
  • Includes wrist pin bearing
  • Kit price includes 10% discount over individual items

Specifications

  • VintCo Part Number: KTY25-1.0
  • Nominal size: 50.0 mm
  • Oversize: 1.0 mm
  • Piston size: 49.95 mm
  • Clearance: 0.05 mm

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