TOP END PISTON KIT 81-81 YAMAHA YZ 125 57.5mm 1.5mm OVER VINTCO KTY07-1.5

This VintCo top end piston kit is a complete rebuild set for the 1981 Yamaha YZ125. It includes the piston, rings, pin and clips, together with a top end bearing and a full top-end gasket kit covering the head, base, intake and exhaust. The kit is intended to provide OEM-comparable fitment and performance for top end servicing.

Features

• Complete top end rebuild kit
• Includes piston, rings, pin and clips
• Includes top end bearing
• Includes full top-end gasket kit
• Covers head, base, intake and exhaust sealing points
• Suitable for standard top end rebuild work
• Manufactured with modern materials and production methods for OEM-comparable fit and performance
• Kit pricing is 10% lower than purchasing the components individually
• Additional size options are available

Specifications

• VintCo Part Number: KTY07-1.5
• Product type: Top End Piston Kit
• Application year: 1981
• Nominal piston size: 57.5 mm
• Oversize: +1.5 mm
• Piston size: 57.44 mm
• Clearance: 0.06 mm
• Piston construction: Forged
• Piston origin: Germany
• Piston coating: MoS2 break-in coating

Cross-Reference OEM Part Numbers

• Head gasket: 93210-69434-00
• Head gasket: 93211-19413-00
• Base gasket: 4V2-11352-01-00
• Intake gasket: 3R3-13621-01-00
• Exhaust gasket: 3R3-14613-00-00
• Wrist pin bearing: 93310-216L2-00

Vehicle Fitments

• 1981 Yamaha YZ125