Top End Piston Kit 79-80 Yamaha YZ It 250 70.0mm Standard Vintco KTY11-00

VintCo KTY11-00 is a top end piston kit for 1979-1980 Yamaha YZ250 and IT250 models, supplied in a 70.0 mm standard bore size for top-end rebuild work. The kit includes a piston, rings, pin and clips, a top end bearing, and a top-end gasket set comprising head, base, intake and exhaust gaskets, providing the main components required to complete the rebuild in one package.

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
• Intended to simplify rebuild work
• Intended as a cost-effective package compared with purchasing components individually
• Manufactured using modern materials and manufacturing techniques for OEM-style fitment and performance
• Kit price includes a 10% saving compared with individual items
• Additional size options are available

Specifications

• VintCo Part Number: KTY11-00
• Product Type: Top End Piston Kit
• Bore Size: 70.0 mm
• Bore Type: Standard
• Piston Diameter: 69.94 mm
• Piston Clearance: 0.06 mm
• Piston Construction: Forged
• Piston Coating: MoS2
• Country of Manufacture: Germany

Cross-Reference OEM Part Numbers

• Piston: 2K7-11631-01-96
• 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