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TOP END PISTON KIT 74-75 YAMAHA YZ 250 71.0mm +1.0mm OVER VINTCO KTY19-1.0
  • TOP END PISTON KIT 74-75 YAMAHA YZ 250 71.0mm +1.0mm OVER VINTCO KTY19-1.0
  • TOP END PISTON KIT 74-75 YAMAHA YZ 250 71.0mm +1.0mm OVER VINTCO KTY19-1.0
  • TOP END PISTON KIT 74-75 YAMAHA YZ 250 71.0mm +1.0mm OVER VINTCO KTY19-1.0
  • TOP END PISTON KIT 74-75 YAMAHA YZ 250 71.0mm +1.0mm OVER VINTCO KTY19-1.0
TOP END PISTON KIT 74-75 YAMAHA YZ 250 71.0mm +1.0mm OVER VINTCO KTY19-1.0

TOP END PISTON KIT 74-75 YAMAHA YZ 250 71.0mm +1.0mm OVER VINTCO KTY19-1.0

£231.39 GBP
Taxes included. Shipping calculated at checkout.

VintCo KTY19-1.0 is a top end piston kit for 1974-1975 Yamaha YZ250 models, supplied in +1.0 mm oversize for a 71.0 mm application. The kit includes a forged piston with German MoS2 coating for break-in, along with the required head, base, intake and exhaust gaskets and a wrist pin bearing. Kit pricing includes a 10% saving compared with purchasing the items individually.

Features

  • Top end piston kit for Yamaha YZ250 models
  • Forged piston included
  • MoS2-coated piston for break-in
  • Includes head gasket
  • Includes base gasket
  • Includes intake gasket
  • Includes exhaust gasket
  • Includes wrist pin bearing
  • Kit price includes a 10% discount over individual items

Specifications

  • VintCo Part Number: KTY19-1.0
  • Nominal piston size: 71.0 mm
  • Piston size: 70.94 mm
  • Oversize: +1.0 mm
  • Clearance: 0.06 mm

Cross-Reference OEM Part Numbers

  • Head gasket: 431-11181-00-00
  • Base gasket: 214-11351-09-00
  • Intake gasket: 8Y7-13556-01-00
  • Exhaust gasket: 431-14613-00-00
  • Wrist pin bearing: 93310-218A6-00

Vehicle Fitments

  • 1974 Yamaha YZ250
  • 1975 Yamaha YZ250