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TOP END PISTON KIT 81-81 YAMAHA YZ 80 49mm STANDARD VINTCO KTY25-00
  • TOP END PISTON KIT 81-81 YAMAHA YZ 80 49mm STANDARD VINTCO KTY25-00
  • TOP END PISTON KIT 81-81 YAMAHA YZ 80 49mm STANDARD VINTCO KTY25-00
  • TOP END PISTON KIT 81-81 YAMAHA YZ 80 49mm STANDARD VINTCO KTY25-00
  • TOP END PISTON KIT 81-81 YAMAHA YZ 80 49mm STANDARD VINTCO KTY25-00
TOP END PISTON KIT 81-81 YAMAHA YZ 80 49mm STANDARD VINTCO KTY25-00

TOP END PISTON KIT 81-81 YAMAHA YZ 80 49mm STANDARD VINTCO KTY25-00

£171.87 GBP
Taxes included. Shipping calculated at checkout.

VintCo top end piston kit KTY25-00 is a standard-size replacement kit for the 1981 Yamaha YZ80, intended for top-end service work and supplied as a complete package of key components. The kit includes a forged piston made in Germany with an MOS2 coating for break-in, a wrist pin bearing, and the required cylinder head, cylinder base, reed valve and exhaust pipe gaskets. Kit pricing includes a 10% discount compared with purchasing the items individually.

Features

  • Complete top end piston kit for top-end rebuild and service work
  • Includes forged piston
  • Includes cylinder head gasket
  • Includes cylinder base gasket
  • Includes reed valve gasket
  • Includes exhaust pipe gasket
  • Includes wrist pin bearing

Specifications

  • VintCo Part Number: KTY25-00
  • Product type: Top End Piston Kit
  • Nominal size: 49 mm standard
  • Piston size: 48.95 mm
  • Piston 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