TOP END PISTON KIT 79-80 YAMAHA YZ IT 250 71.5mm OVER VINTCO KTY11-1.5

This VintCo top end piston kit is a complete rebuild kit for 1979–1980 Yamaha YZ250 and IT250 models using a 71.5 mm (+1.5 mm over) piston size. The kit is supplied with a VintCo piston kit including piston, rings, pin and clips, a top end bearing, and a full top-end gasket set including head, base, intake and exhaust gaskets. Components are produced using modern materials and manufacturing methods for OEM-equivalent or better fitment and performance. Kit pricing is 10% lower than purchasing the components individually, and additional size options are also available.

Features

• Complete top end rebuild kit
• Includes piston, rings, pin and clips
• Includes top end bearing
• Includes full top-end gasket kit
• Includes head gasket
• Includes base gasket
• Includes intake gasket
• Includes exhaust gasket
• Intended for top end rebuild work

Specifications

• VintCo Part Number: KTY11-1.5
• Item Category: Top End Piston Kits
• Forged piston
• Made in Germany
• MoS2-coated piston for break-in
• Piston oversize: +1.5 mm
• Piston size: 71.44 mm
• Clearance: 0.06 mm
• Nominal size: 71.5 mm

Cross-Reference OEM Part Numbers

• 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