TOP END PISTON KIT 80-81 YAMAHA YZ 250 72mm 2.0mm OVER VINTCO KTY12-2.0

This VintCo top end piston kit is designed for 1980-1981 Yamaha YZ250 models and provides the components required for a complete top-end rebuild in a 72 mm (+2.0 mm over) size. The kit includes a forged piston made in Germany, rings, pin and clips, a top end bearing, and a full gasket set with head, base, intake and exhaust gaskets. Components are manufactured using modern materials and production methods for OEM-level fit and performance, helping keep rebuilds straightforward and cost-effective.

Features

• Complete top-end rebuild kit
• Includes piston, rings, pin and clips
• Includes top end bearing
• Includes head gasket
• Includes base gasket
• Includes intake gasket
• Includes exhaust gasket
• Suitable for straightforward, cost-effective rebuilds
• Kit pricing is 10% lower than purchasing the components individually
• Additional size options are available

Specifications

• VintCo Part Number: KTY12-2.0
• Nominal piston size: 72 mm
• Oversize: +2.0 mm
• Piston diameter: 71.94 mm
• Piston clearance: 0.06 mm
• Piston construction: Forged
• Piston coating: MoS2 running-in coating
• Country of manufacture: Germany

Cross-Reference OEM Part Numbers

• Head gasket: 3R4-11181-00-00
• Base gasket: 3R4-11351-01-00
• Intake gasket: 80L-13621-01-00
• Exhaust gasket: 3R4-14613-00-00
• Wrist pin bearing: 93310-218A6-00

Vehicle Fitments

• 1980 Yamaha YZ250
• 1981 Yamaha YZ250