Piston Kit 86-88 YZ125 56.50, Wossner 8118D050 Yamaha MX

Description

This Wossner 56.50mm (+0.50 oversize) forged piston kit is designed for Yamaha YZ125 models from 1986 to 1988. Featuring a forged construction and elliptical design, this piston is built to withstand thermal and mechanical stress while ensuring efficient combustion heat transfer and even thrust load distribution. Manufactured in Germany, it is suited for two-stroke engine performance and reliability.

Features

  • Forged piston for increased strength and durability

  • Elliptical design provides uniform bearing surface under heat expansion

  • Even thrust load distribution reduces localised pressure and risk of piston collapse

  • Optimised for efficient combustion heat transfer to cylinder walls

  • Manufactured in Germany

Specifications

  • Bore: 56.50mm

  • Actual diameter: 56.44mm

  • Displacement: 123 cm³

  • Stroke: 50.00mm

  • Clearance: 0.06mm

  • Compression height: 30.00mm

  • Compression ratio: 2-stroke

Cross-Reference OEM Part Numbers

  • Piston Kit Part No.: 56-W559+050.WO

  • Wossner Piston Kit No.: 8118D050

  • Lock: CW16

  • Pin: WP036

  • Ring Set: RSB5650

Vehicle Fitments

  • Yamaha YZ125 1986

  • Yamaha YZ125 1987

  • Yamaha YZ125 1988

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer Model Years
YAMAHA YZ 125 1986-1988

Piston Kit 86-88 YZ125 56.50, Wossner 8118D050 Yamaha MX

Product form

This Wossner 56.50mm (+0.50 oversize) forged piston kit is designed for Yamaha YZ125 models from 1986 to 1988. Featuring a... Read more

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    SKU: 56-W559+050.WO

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    Description

    This Wossner 56.50mm (+0.50 oversize) forged piston kit is designed for Yamaha YZ125 models from 1986 to 1988. Featuring a forged construction and elliptical design, this piston is built to withstand thermal and mechanical stress while ensuring efficient combustion heat transfer and even thrust load distribution. Manufactured in Germany, it is suited for two-stroke engine performance and reliability.

    Features

    • Forged piston for increased strength and durability

    • Elliptical design provides uniform bearing surface under heat expansion

    • Even thrust load distribution reduces localised pressure and risk of piston collapse

    • Optimised for efficient combustion heat transfer to cylinder walls

    • Manufactured in Germany

    Specifications

    • Bore: 56.50mm

    • Actual diameter: 56.44mm

    • Displacement: 123 cm³

    • Stroke: 50.00mm

    • Clearance: 0.06mm

    • Compression height: 30.00mm

    • Compression ratio: 2-stroke

    Cross-Reference OEM Part Numbers

    • Piston Kit Part No.: 56-W559+050.WO

    • Wossner Piston Kit No.: 8118D050

    • Lock: CW16

    • Pin: WP036

    • Ring Set: RSB5650

    Vehicle Fitments

    • Yamaha YZ125 1986

    • Yamaha YZ125 1987

    • Yamaha YZ125 1988

    Vehicle Compatibility

    Please check the exact model and year before ordering.

    Manufacturer Model Years
    YAMAHA YZ 125 1986-1988

    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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