Skip to product information
PISTON KIT 76-78 YAMAHA YZ IT 400 85.5mm 0.5mm OVER VINTCO PSY04-0.5
  • PISTON KIT 76-78 YAMAHA YZ IT 400 85.5mm 0.5mm OVER VINTCO PSY04-0.5
  • PISTON KIT 76-78 YAMAHA YZ IT 400 85.5mm 0.5mm OVER VINTCO PSY04-0.5
  • PISTON KIT 76-78 YAMAHA YZ IT 400 85.5mm 0.5mm OVER VINTCO PSY04-0.5
  • PISTON KIT 76-78 YAMAHA YZ IT 400 85.5mm 0.5mm OVER VINTCO PSY04-0.5
  • PISTON KIT 76-78 YAMAHA YZ IT 400 85.5mm 0.5mm OVER VINTCO PSY04-0.5
  • PISTON KIT 76-78 YAMAHA YZ IT 400 85.5mm 0.5mm OVER VINTCO PSY04-0.5
  • PISTON KIT 76-78 YAMAHA YZ IT 400 85.5mm 0.5mm OVER VINTCO PSY04-0.5
  • PISTON KIT 76-78 YAMAHA YZ IT 400 85.5mm 0.5mm OVER VINTCO PSY04-0.5
PISTON KIT 76-78 YAMAHA YZ IT 400 85.5mm 0.5mm OVER VINTCO PSY04-0.5

PISTON KIT 76-78 YAMAHA YZ IT 400 85.5mm 0.5mm OVER VINTCO PSY04-0.5

£182.36 GBP
Taxes included. Shipping calculated at checkout.

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