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TOP END PISTON KIT 84-85 YAMAHA YZ 250 69mm 1.0mm OVER VINTCO KTY37-1.0
  • TOP END PISTON KIT 84-85 YAMAHA YZ 250 69mm 1.0mm OVER VINTCO KTY37-1.0
  • TOP END PISTON KIT 84-85 YAMAHA YZ 250 69mm 1.0mm OVER VINTCO KTY37-1.0
  • TOP END PISTON KIT 84-85 YAMAHA YZ 250 69mm 1.0mm OVER VINTCO KTY37-1.0
  • TOP END PISTON KIT 84-85 YAMAHA YZ 250 69mm 1.0mm OVER VINTCO KTY37-1.0
TOP END PISTON KIT 84-85 YAMAHA YZ 250 69mm 1.0mm OVER VINTCO KTY37-1.0

TOP END PISTON KIT 84-85 YAMAHA YZ 250 69mm 1.0mm OVER VINTCO KTY37-1.0

£208.71 GBP
Taxes included. Shipping calculated at checkout.

This top end piston kit is for 1984-1985 Yamaha YZ250 models and includes a nominal 69 mm piston in 1.0 mm oversize configuration. The kit contains a forged piston made in Germany with MOS2 coating for break-in, together with the required gaskets, O-ring and wrist pin bearing. Kit pricing reflects a 10% reduction compared with purchasing the components individually.

Features

  • Top end piston kit for Yamaha YZ250
  • Includes forged piston
  • MOS2 coated for break-in
  • Includes head gasket
  • Includes base gasket
  • Includes intake gasket
  • Includes exhaust pipe gasket
  • Includes holder gasket
  • Includes O-ring
  • Includes YPVS housing gasket
  • Includes wrist pin bearing

Specifications

  • VintCo Part Number: KTY37-1.0
  • Nominal piston size: 69 mm
  • Oversize: 1.0 mm
  • Piston size: 68.94 mm
  • Clearance: 0.06 mm
  • Piston manufacturing origin: 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