TOP END PISTON KIT 79-79 YAMAHA YZ 125 57.0mm VINTCO KTY05-1.0

This VintCo top end piston kit is a complete rebuild set for the 1979 Yamaha YZ125, supplied in 57.0 mm (+1.0 mm over) size. It includes a forged piston with rings, pin and clips, a top end bearing, and a full top-end gasket set with head, base, intake and exhaust gaskets. Manufactured using modern materials and production methods, the kit is intended to provide OEM-equivalent fitment and performance while supplying the main components needed for a top-end 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
• Supplied as a single kit for easier rebuild work
• Produced with modern materials and manufacturing techniques
• Intended to provide 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: KTY05-1.0
• Product type: Top End Piston Kit
• Piston size: 57.0 mm
• Oversize: +1.0 mm
• Piston diameter: 56.94 mm
• Piston clearance: 0.06 mm
• Piston construction: Forged
• Piston coating: MoS2
• Country of manufacture: Germany

Cross-Reference OEM Part Numbers

• Piston: 537-11638-02-00
• 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