Piston Kit Yam 350 R5 65.00, Wossner 8221D100

Description

This piston kit is designed for Yamaha 350 R5 motorcycles produced between 1973 and 1975. It includes a single Wossner forged piston with a +1.00mm oversize (65.00mm bore), offering enhanced strength and thermal stability. The elliptical piston design promotes even pressure distribution under heat expansion, reducing the risk of collapse. Manufactured in Germany, this piston is suitable for high-performance two-stroke engine applications.

Features

  • Single forged Wossner piston

  • +1.00mm oversized bore (65.00mm, actual piston diameter 64.93mm)

  • Elliptical shape for even load and pressure distribution

  • Designed for improved combustion heat dissipation

  • Made in Germany

Specifications

  • Part Number: 8221D100

  • Bore Size: 65.00mm (actual piston size 64.93mm)

  • Oversize: +1.00mm

  • Displacement: 347cm³

  • Stroke: 54.00mm

  • Clearance: 0.07mm

  • Wossner Compression Ratio: 2-stroke

  • OEM Compression Ratio: 2-stroke

  • Compression Height: 36.00mm

Cross-Reference OEM Part Numbers

  • Clips: CW16

  • Piston Pin: WP027

  • Rings: RSB6500 x 2

Vehicle Fitments

  • Yamaha 350 R5 1973–1975

Piston Kit Yam 350 R5 65.00, Wossner 8221D100

Product form

This piston kit is designed for Yamaha 350 R5 motorcycles produced between 1973 and 1975. It includes a single Wossner... Read more

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    SKU: 56-W9898.100.WO

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    Description

    This piston kit is designed for Yamaha 350 R5 motorcycles produced between 1973 and 1975. It includes a single Wossner forged piston with a +1.00mm oversize (65.00mm bore), offering enhanced strength and thermal stability. The elliptical piston design promotes even pressure distribution under heat expansion, reducing the risk of collapse. Manufactured in Germany, this piston is suitable for high-performance two-stroke engine applications.

    Features

    • Single forged Wossner piston

    • +1.00mm oversized bore (65.00mm, actual piston diameter 64.93mm)

    • Elliptical shape for even load and pressure distribution

    • Designed for improved combustion heat dissipation

    • Made in Germany

    Specifications

    • Part Number: 8221D100

    • Bore Size: 65.00mm (actual piston size 64.93mm)

    • Oversize: +1.00mm

    • Displacement: 347cm³

    • Stroke: 54.00mm

    • Clearance: 0.07mm

    • Wossner Compression Ratio: 2-stroke

    • OEM Compression Ratio: 2-stroke

    • Compression Height: 36.00mm

    Cross-Reference OEM Part Numbers

    • Clips: CW16

    • Piston Pin: WP027

    • Rings: RSB6500 x 2

    Vehicle Fitments

    • Yamaha 350 R5 1973–1975

    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.

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