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PISTON KIT 76-78 YAMAHA YZ IT 400 86.0mm 1.0mm OVER VINTCO PSY04-1.0
  • PISTON KIT 76-78 YAMAHA YZ IT 400 86.0mm 1.0mm OVER VINTCO PSY04-1.0
  • PISTON KIT 76-78 YAMAHA YZ IT 400 86.0mm 1.0mm OVER VINTCO PSY04-1.0
  • PISTON KIT 76-78 YAMAHA YZ IT 400 86.0mm 1.0mm OVER VINTCO PSY04-1.0
  • PISTON KIT 76-78 YAMAHA YZ IT 400 86.0mm 1.0mm OVER VINTCO PSY04-1.0
  • PISTON KIT 76-78 YAMAHA YZ IT 400 86.0mm 1.0mm OVER VINTCO PSY04-1.0
  • PISTON KIT 76-78 YAMAHA YZ IT 400 86.0mm 1.0mm OVER VINTCO PSY04-1.0
  • PISTON KIT 76-78 YAMAHA YZ IT 400 86.0mm 1.0mm OVER VINTCO PSY04-1.0
  • PISTON KIT 76-78 YAMAHA YZ IT 400 86.0mm 1.0mm OVER VINTCO PSY04-1.0
PISTON KIT 76-78 YAMAHA YZ IT 400 86.0mm 1.0mm OVER VINTCO PSY04-1.0

PISTON KIT 76-78 YAMAHA YZ IT 400 86.0mm 1.0mm OVER VINTCO PSY04-1.0

£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, supplying the main components required for a piston replacement on vintage 2-stroke engines. The kit includes the piston, rings, pin and clips, and is manufactured using modern materials and production methods for OEM-equivalent fitment and performance. It is a forged piston made in Germany with a MoS2 break-in coating and a 1.0 mm oversize configuration.

Features

  • Complete piston kit with piston, rings, pin and clips
  • Suitable for vintage 2-stroke engine rebuilds
  • OEM-equivalent fitment and performance
  • Wrist pin bearing sold separately
  • Additional size options available
  • MoS2 coating for break-in

Specifications

  • VintCo Part Number: PSY04-1.0
  • Product type: Piston kit
  • Piston size: 86.0 mm
  • Oversize: +1.0 mm
  • Piston measurement: 85.92 mm
  • Clearance: 0.08 mm
  • Piston construction: Forged
  • Country of manufacture: Germany

Cross-Reference OEM Part Numbers

  • 2K8-11638-00-00

Vehicle Fitments

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