Piston Kit 73-81 Yamaha Rd 350 400 65.0mm 1.0mm Over Vintco PSY03-1.0

Description

This VintCo piston kit is a complete single-piston assembly for 1973-1975 Yamaha RD350 and 1976-1981 Yamaha RD400 models. Intended for vintage 2-stroke engine rebuilds and repairs, it includes one piston, rings, pin and clips, and is produced using modern materials and manufacturing methods for OEM-equivalent fitment and performance. The piston is forged, MoS2 coated for break-in, and the wrist pin bearing is available separately.

Features

  • Complete single-piston assembly
  • Includes 1 piston, rings, pin and clips
  • Suitable for vintage 2-stroke engine rebuilds
  • Forged piston
  • MoS2 coated for break-in
  • Wrist pin bearing sold separately
  • Produced using modern materials and manufacturing techniques
  • Designed for OEM-equivalent fitment and performance

Specifications

  • VintCo Part Number: PSY03-1.0
  • Piston size: 65.0 mm
  • Oversize: +1.0 mm
  • Piston measurement: 64.94 mm
  • Clearance: 0.06 mm
  • Manufactured in Germany

Cross-Reference OEM Part Numbers

  • 1A1-11638-00-00
  • 2V0-11638-01-00

Vehicle Fitments

  • 1973 Yamaha RD350
  • 1974 Yamaha RD350
  • 1975 Yamaha RD350
  • 1976 Yamaha RD400
  • 1977 Yamaha RD400
  • 1978 Yamaha RD400
  • 1979 Yamaha RD400
  • 1980 Yamaha RD400
  • 1981 Yamaha RD400

Piston Kit 73-81 Yamaha Rd 350 400 65.0mm 1.0mm Over Vintco PSY03-1.0

Product form

This VintCo piston kit is a complete single-piston assembly for 1973-1975 Yamaha RD350 and 1976-1981 Yamaha RD400 models. Intended for... Read more

Out of stock

£189.98 Incl. VAT

    • Guaranteed secure & safe checkout.

      shop pay

    SKU: VIN-PSY03-1.0
    Barcode: 0120000105649

    • Free shipping on all orders above £75
    • No hassle returns within 30 days

    Description

    This VintCo piston kit is a complete single-piston assembly for 1973-1975 Yamaha RD350 and 1976-1981 Yamaha RD400 models. Intended for vintage 2-stroke engine rebuilds and repairs, it includes one piston, rings, pin and clips, and is produced using modern materials and manufacturing methods for OEM-equivalent fitment and performance. The piston is forged, MoS2 coated for break-in, and the wrist pin bearing is available separately.

    Features

    • Complete single-piston assembly
    • Includes 1 piston, rings, pin and clips
    • Suitable for vintage 2-stroke engine rebuilds
    • Forged piston
    • MoS2 coated for break-in
    • Wrist pin bearing sold separately
    • Produced using modern materials and manufacturing techniques
    • Designed for OEM-equivalent fitment and performance

    Specifications

    • VintCo Part Number: PSY03-1.0
    • Piston size: 65.0 mm
    • Oversize: +1.0 mm
    • Piston measurement: 64.94 mm
    • Clearance: 0.06 mm
    • Manufactured in Germany

    Cross-Reference OEM Part Numbers

    • 1A1-11638-00-00
    • 2V0-11638-01-00

    Vehicle Fitments

    • 1973 Yamaha RD350
    • 1974 Yamaha RD350
    • 1975 Yamaha RD350
    • 1976 Yamaha RD400
    • 1977 Yamaha RD400
    • 1978 Yamaha RD400
    • 1979 Yamaha RD400
    • 1980 Yamaha RD400
    • 1981 Yamaha RD400

    Shipping & Delivery

    How long will my item take to arrive?

    Orders are typically dispatched within 1 working day and are shipped on a 24hour (non-guaranteed) service.

    Where do you ship to?

    We currently only ship orders within the UK.

    How can I track my order?

    Once your order has been dispatched, you will receive a tracking code. Tracking information is emailed to the email address that was provided when placing the order.

    Can I collect my order?

    Unfortunately we do not offer order collections from our fulfilment centre.

    WHY NOT CHECK OUT

    Recently viewed products

      © 2026 Radhouse, Powered by Shopify

        • American Express
        • Apple Pay
        • Diners Club
        • Discover
        • Google Pay
        • Maestro
        • Mastercard
        • PayPal
        • Shop Pay
        • Union Pay
        • Visa