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Piston Kit 75-78 Yamaha Dt MX 400 86.5mm 1.5mm Over Vintco PSY14-1.5
  • Piston Kit 75-78 Yamaha Dt MX 400 86.5mm 1.5mm Over Vintco PSY14-1.5
  • Piston Kit 75-78 Yamaha Dt MX 400 86.5mm 1.5mm Over Vintco PSY14-1.5
  • Piston Kit 75-78 Yamaha Dt MX 400 86.5mm 1.5mm Over Vintco PSY14-1.5
  • Piston Kit 75-78 Yamaha Dt MX 400 86.5mm 1.5mm Over Vintco PSY14-1.5
  • Piston Kit 75-78 Yamaha Dt MX 400 86.5mm 1.5mm Over Vintco PSY14-1.5
  • Piston Kit 75-78 Yamaha Dt MX 400 86.5mm 1.5mm Over Vintco PSY14-1.5
  • Piston Kit 75-78 Yamaha Dt MX 400 86.5mm 1.5mm Over Vintco PSY14-1.5
  • Piston Kit 75-78 Yamaha Dt MX 400 86.5mm 1.5mm Over Vintco PSY14-1.5
  • Piston Kit 75-78 Yamaha Dt MX 400 86.5mm 1.5mm Over Vintco PSY14-1.5
  • Piston Kit 75-78 Yamaha Dt MX 400 86.5mm 1.5mm Over Vintco PSY14-1.5
Piston Kit 75-78 Yamaha Dt MX 400 86.5mm 1.5mm Over Vintco PSY14-1.5

Piston Kit 75-78 Yamaha Dt MX 400 86.5mm 1.5mm Over Vintco PSY14-1.5

£191.81 GBP
Taxes included. Shipping calculated at checkout.

This VintCo piston kit is designed for Yamaha DT400 models from 1975-1978 and Yamaha MX400 models from 1975-1976. Intended for vintage 2-stroke engine rebuilds, it uses modern materials and manufacturing techniques to provide OEM-equivalent fitment and performance. The kit includes the piston, rings, pin and clips, while the wrist pin bearing is available separately.

Features

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

Specifications

  • VintCo Part Number: PSY14-1.5
  • Piston size: 86.5 mm
  • Oversize: +1.5 mm
  • Piston measurement: 86.42 mm
  • Clearance: 0.08 mm
  • Coating: MoS2
  • Country of manufacture: Germany

Vehicle Fitments

  • 1975 Yamaha DT400
  • 1975 Yamaha MX400
  • 1976 Yamaha DT400
  • 1976 Yamaha MX400
  • 1977 Yamaha DT400
  • 1978 Yamaha DT400