VintCo top end piston kit for the 1979 Yamaha YZ125 provides the components required for a complete top-end rebuild in one package. This 57.5 mm kit is 1.5 mm over standard and includes a VintCo piston kit with piston, rings, pin and clips, a top end bearing, and a full top-end gasket set comprising head, base, intake and exhaust gaskets. The components are produced using modern materials and manufacturing techniques for OEM-equivalent or better fitment and performance. OEM part numbers are supplied for fitment confirmation, and additional size options are 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
• Kit price includes a 10% saving compared with purchasing the components individually

Specifications

• VintCo Part Number: KTY05-1.5
• Piston diameter: 57.5 mm
• Oversize: +1.5 mm
• Piston measured size: 57.44 mm
• Clearance: 0.06 mm
• Piston construction: Forged
• Coating: MoS2
• Manufactured in Germany

Cross-Reference OEM Part Numbers

• Piston: 2X3-11111-00-00
• 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