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Top End Piston Kit 84-85 Yamaha YZ 250 69.5mm Vintco KTY37-1.5
  • Top End Piston Kit 84-85 Yamaha YZ 250 69.5mm Vintco KTY37-1.5
  • Top End Piston Kit 84-85 Yamaha YZ 250 69.5mm Vintco KTY37-1.5
  • Top End Piston Kit 84-85 Yamaha YZ 250 69.5mm Vintco KTY37-1.5
  • Top End Piston Kit 84-85 Yamaha YZ 250 69.5mm Vintco KTY37-1.5
Top End Piston Kit 84-85 Yamaha YZ 250 69.5mm Vintco KTY37-1.5

Top End Piston Kit 84-85 Yamaha YZ 250 69.5mm Vintco KTY37-1.5

£208.71 GBP
Taxes included. Shipping calculated at checkout.

This top end piston kit is for the 1984–1985 Yamaha YZ250 and includes a forged piston, gasket set, O-ring and wrist pin bearing for top end service work. The piston is made in Germany with an MOS2 coating for running-in, and the kit pricing is 10% lower than purchasing the listed items individually.

Features

  • Complete top end piston kit for top end rebuild and replacement work
  • Includes forged piston with MOS2 coating for running-in
  • Supplied with head gasket
  • Supplied with base gasket
  • Supplied with intake gasket
  • Supplied with exhaust pipe gasket
  • Supplied with holder gasket
  • Supplied with YPVS housing gasket
  • Includes O-ring
  • Includes wrist pin bearing

Specifications

  • VintCo Part Number: KTY37-1.5
  • Piston size: 69.5 mm
  • Oversize: 1.5 mm
  • Piston diameter: 69.44 mm
  • Clearance: 0.06 mm
  • Piston construction: Forged
  • Country of manufacture: Germany

Cross-Reference OEM Part Numbers

  • Head Gasket: 56A-11181-01-00
  • Base Gasket: 39X-11351-02-00
  • Intake Gasket: 39X-13621-11-00
  • Exhaust Pipe Gasket: 24Y-14613-10-00
  • Holder Gasket: 5X5-1131N-01-00
  • O-Ring: 93210-35512-00
  • YPVS Housing Gasket: 39X-11993-01-00

Vehicle Fitments

  • 1984 Yamaha YZ250
  • 1985 Yamaha YZ250