VintCo KTY05-00 is a top end piston kit for the 1979 Yamaha YZ125, supplied in a 56.0 mm standard bore size. It is intended for complete top-end rebuilds and includes the piston, rings, pin, clips, top end bearing, and a full top-end gasket set with head, base, intake, and exhaust gaskets. The components are manufactured using modern materials and production methods to provide OEM-equivalent fit and performance, and the kit is priced 10% lower than purchasing the parts individually.

Features

• Complete top end rebuild kit
• Includes piston, rings, pin and clips
• Includes top end bearing and wrist pin bearing
• Includes head gasket, base gasket, intake gasket and exhaust gasket
• Supplied for straightforward rebuild work
• Manufactured for OEM-equivalent fit and performance
• Other size options are available
• Kit price is 10% lower than purchasing the listed components individually

Specifications

• VintCo Part Number: KTY05-00
• Item Category: Top End Piston Kits
• Bore size: 56.0 mm
• Bore type: Standard
• Piston diameter: 55.94 mm
• Piston clearance: 0.06 mm
• Piston construction: Forged
• Piston coating: MoS2
• Piston origin: Germany

Cross-Reference OEM Part Numbers

• Kit reference: 2X3-11111-00-00
• Piston: 537-11631-02-96
• Head gasket: 2X3-11181-00-00
• Base gasket: 18G-11351-02-00
• Intake gasket: 3TT-13621-00-00
• Wrist pin bearing: 93310-216L2-00

Vehicle Fitments

• 1979 Yamaha YZ125