VintCo top end piston kit KTY10-1.5 is a complete rebuild kit for the 1978 Yamaha YZ250, supplied with a forged piston, rings, pin, clips, wrist pin bearing and a full top-end gasket set. It is intended for 71.5 mm / +1.5 mm over applications and is manufactured using modern materials and production methods for OEM-equivalent fitment and performance.

Features

• Complete top-end rebuild kit
• Includes piston, rings, pin and clips
• Includes wrist pin bearing
• Includes full top-end gasket kit
• Supplied with head gasket, base gaskets, intake gaskets and exhaust gasket
• Forged piston
• MoS2 coated piston for break-in
• Made with modern materials and manufacturing techniques
• Designed for OEM-equivalent fitment and performance
• Kit price includes a 10% saving compared with purchasing the components individually
• Additional size options are available

Specifications

• VintCo Part Number: KTY10-1.5
• Product type: Top End Piston Kit
• Piston size: 71.5 mm
• Oversize: +1.5 mm over
• Piston measurement: 71.44 mm
• Clearance: 0.06 mm
• Piston origin: Germany

Cross-Reference OEM Part Numbers

• Piston: 2K7-11631-01-96
• Head gasket: 1W3-11181-00-00
• Base gasket: 364-11351-01-00
• Base gasket: 2K7-11351-01-00
• Intake gasket: 8Y7-13556-01-00
• Intake gasket: 80L-13621-01-00
• Exhaust gasket: 2K7-14613-09-00
• Wrist pin bearing: 93310-218A6-00

Vehicle Fitments

• 1978 Yamaha YZ250