Skip to product information
TOP END PISTON KIT 74-76 YAMAHA DT 250 70.5mm 0.5mm OVER VINTCO KTY40-0.5

TOP END PISTON KIT 74-76 YAMAHA DT 250 70.5mm 0.5mm OVER VINTCO KTY40-0.5

£205.89 GBP
Taxes included. Shipping calculated at checkout.

Top end piston kit for 1974–1976 Yamaha DT250 models, supplied for a 0.5 mm overbore application. The kit includes a forged piston, cylinder head gasket, cylinder base gasket, intake gasket, exhaust pipe gasket and wrist pin bearing. Kit pricing reflects a 10% reduction compared with purchasing the included items individually.

Features

  • Complete top end kit for engine rebuilds
  • Includes forged piston
  • Coated piston for running-in
  • Includes cylinder head gasket
  • Includes cylinder base gasket
  • Includes intake gasket
  • Includes exhaust pipe gasket
  • Includes wrist pin bearing

Specifications

  • VintCo Part Number: KTY40-0.5
  • Nominal piston size: 70.5 mm
  • Oversize: 0.5 mm
  • Measured piston diameter: 70.44 mm
  • Recommended clearance: 0.06 mm
  • Piston construction: Forged
  • Piston coating: MOS2
  • Country of manufacture: Germany

Cross-Reference OEM Part Numbers

  • Cylinder head gasket: 434-11181-00-00
  • Cylinder base gasket: 364-11351-01-00
  • Intake gasket: 363-13621-01-00
  • Exhaust pipe gasket: 214-14613-09-00

Vehicle Fitments

  • 1974 Yamaha DT250
  • 1975 Yamaha DT250
  • 1976 Yamaha DT250