VintCo KTY16-00 is a complete top end piston kit for the 1980–1981 Yamaha YZ465, supplied in the standard 85.0 mm bore size. The kit is intended for top end rebuilds and includes a piston kit with piston, rings, pin and clips, a top end bearing, and a full top-end gasket kit with head, base, intake and exhaust gaskets. Components are manufactured using modern materials and processes for OEM-equivalent fit and performance, with OEM part number references provided for fitment verification. The kit price is 10% lower than purchasing the included items individually, and additional size options are available.

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
• OEM-referenced components for fitment verification
• Base gasket installation requires silicone
• Additional size options available
• Kit price reflects a 10% reduction compared with purchasing the included items individually

Specifications

• VintCo Part Number: KTY16-00
• Product Type: Top End Piston Kit
• Bore Size: 85.0 mm
• Bore Type: Standard
• Piston Diameter: 84.92 mm
• Piston Clearance: 0.08 mm
• Piston Construction: Forged
• Piston Coating: MoS2
• Country of Manufacture: Germany

Cross-Reference OEM Part Numbers

• Piston: 4V4-11631-00-93
• Head Gasket: 3R5-11181-00-00
• Base Gasket: 40T-11351-01-00
• Intake Gasket: 80L-13621-01-00
• Exhaust Gasket: 3R4-14613-00-00
• Wrist Pin Bearing: 93310-418E9-00

Vehicle Fitments

• 1980 Yamaha YZ465
• 1981 Yamaha YZ465