TOP END PISTON KIT 79-80 YAMAHA YZ IT 250 70.5mm 0.5mm OVER VINTCO KTY11-0.5
VintCo top end piston kit KTY11-0.5 is a complete rebuild kit for the 1979 Yamaha YZ250 and 1979-1980 Yamaha IT250, supplied in 70.5 mm (+0.5 mm oversize). The kit includes a forged piston with rings, pin and clips, a top end bearing, and a full top-end gasket set comprising head, base, intake and exhaust gaskets. Components are manufactured using modern materials and production methods for OEM-equivalent fitment and performance, with OEM part number references provided for fitment verification. The kit is priced 10% lower than purchasing the components individually, and additional size options are available.
Features
- Complete top-end rebuild kit
- Includes piston, rings, pin and clips
- Includes top end bearing
- Includes head gasket, base gasket, intake gasket and exhaust gasket
- MoS2-coated piston for running-in
- Manufactured using modern materials and production methods for OEM-equivalent fitment and performance
- Kit price is 10% lower than purchasing the items individually
- Additional size options are available
Specifications
- VintCo Part Number: KTY11-0.5
- Product Type: Top End Piston Kit
- Nominal size: 70.5 mm
- Oversize: +0.5 mm
- Piston measurement: 70.44 mm
- Piston clearance: 0.06 mm
- Piston construction: Forged
- Piston origin: Germany
- Piston coating: MoS2
Cross-Reference OEM Part Numbers
- Piston: 2K7-11636-01-00
- Head Gasket: 1W3-11181-00-00
- Base Gasket: 2K7-11351-01-00
- Intake Gasket: 80L-13621-01-00
- Wrist Pin Bearing: 93310-218A6-00
Vehicle Fitments
- 1979 Yamaha YZ250
- 1979 Yamaha IT250
- 1980 Yamaha IT250