Piston Kit MX YZ TY80 49.00, Forged Wossner 8269D200

Description

This Wossner piston kit features a 49.00mm bore with a measured diameter of 48.95mm, providing a +2.00mm oversize fitment. Designed for select Yamaha 80cc models from the 1970s and early 1980s, the kit delivers high-strength performance and precise thermal expansion control for reliable two-stroke engine operation.

Features

  • Forged construction ensures superior strength and durability

  • Engineered for efficient heat transfer from combustion chamber to cylinder walls

  • Elliptical design promotes uniform bearing surface during heat expansion

  • Distributes thrust loads evenly to prevent piston collapse

  • Manufactured in Germany

Specifications

  • Bore: 49.00mm

  • Diameter: 48.95mm

  • Stroke: 42.00 mm

  • Clearance: 0.05 mm

  • Compression Ratio (Wossner): 2-stroke

  • Compression Ratio (OEM): 2-stroke

  • Compression Height: 29.40 mm

  • Ring Type: Single Ring

  • Clips P/N: CW12

  • Pin P/N: WP091

  • Ring Set P/N: RSB4900

Cross-Reference OEM Part Numbers

  • Part No. 56-W9919.200.WO

  • Wossner Piston 8269D200

Vehicle Fitments

  • Yamaha MX80 1980–1982

  • Yamaha TY80 1974–1975

  • Yamaha YZ80 1974–1975

  • Yamaha GT1 1973–1975

Piston Kit MX YZ TY80 49.00, Forged Wossner 8269D200

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This Wossner piston kit features a 49.00mm bore with a measured diameter of 48.95mm, providing a +2.00mm oversize fitment. Designed... Read more

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    SKU: 56-W9919.200.WO

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    Description

    This Wossner piston kit features a 49.00mm bore with a measured diameter of 48.95mm, providing a +2.00mm oversize fitment. Designed for select Yamaha 80cc models from the 1970s and early 1980s, the kit delivers high-strength performance and precise thermal expansion control for reliable two-stroke engine operation.

    Features

    • Forged construction ensures superior strength and durability

    • Engineered for efficient heat transfer from combustion chamber to cylinder walls

    • Elliptical design promotes uniform bearing surface during heat expansion

    • Distributes thrust loads evenly to prevent piston collapse

    • Manufactured in Germany

    Specifications

    • Bore: 49.00mm

    • Diameter: 48.95mm

    • Stroke: 42.00 mm

    • Clearance: 0.05 mm

    • Compression Ratio (Wossner): 2-stroke

    • Compression Ratio (OEM): 2-stroke

    • Compression Height: 29.40 mm

    • Ring Type: Single Ring

    • Clips P/N: CW12

    • Pin P/N: WP091

    • Ring Set P/N: RSB4900

    Cross-Reference OEM Part Numbers

    • Part No. 56-W9919.200.WO

    • Wossner Piston 8269D200

    Vehicle Fitments

    • Yamaha MX80 1980–1982

    • Yamaha TY80 1974–1975

    • Yamaha YZ80 1974–1975

    • Yamaha GT1 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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