This VintCo piston kit is designed for 1976-1978 Yamaha YZ400 and 1976 Yamaha IT400 models. Intended for vintage 2-stroke engine rebuilds, it includes the piston, rings, pin and clips, and is produced using modern materials and manufacturing techniques for OEM-equivalent fit and performance. A wrist pin bearing is available separately.

Features

• Complete piston kit for vintage 2-stroke applications
• Includes piston, rings, pin and clips
• Wrist pin bearing sold separately
• OEM part number reference provided for exact fitment

Specifications

• VintCo Part Number: PSY04-0.5
• Product Type: Piston kit
• Piston size: 85.5 mm
• Oversize: +0.5 mm
• Piston measurement: 85.42 mm
• Clearance: 0.08 mm
• Construction: Forged piston
• Coating: MoS2
• Country of manufacture: Germany

Cross-Reference OEM Part Numbers

• 2K8-11636-00-00

Vehicle Fitments

• 1976 Yamaha YZ400
• 1976 Yamaha IT400
• 1977 Yamaha YZ400
• 1978 Yamaha YZ400