Piston Kit Rotax SWM250 74.50, Wossner 8290D050

Description

This Wossner forged piston kit with a 74.50mm nominal bore (actual 74.43mm) is engineered for ROTAX SWM250 models from 1979 to 1982. Designed for two-stroke engines, it delivers high strength and optimised thermal conductivity for demanding applications.

Features

  • Forged piston construction ensures exceptional strength and durability

  • Precision engineering enhances heat transfer from combustion chamber to cylinder wall

  • Elliptical profile distributes load evenly, reducing localised stress and preventing piston failure

  • Manufactured in Germany with strict quality standards

Specifications

  • Bore Size: 74.50mm (actual 74.43mm)

  • Stroke: 57.50 mm

  • Clearance: 0.06 mm

  • Wossner Compression Ratio: 2 stroke

  • OEM Compression Ratio: 2 stroke

  • Compression Height: 34.00 mm

  • Lock Part Number: CW18

  • Pin Part Number: WP033

  • Ring Set Part Number: RSB7450 x 2

Vehicle Fitments

  • ROTAX SWM250 1979–1982

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer Model Years
ROTAX SWM 250 1979-1982

Piston Kit Rotax SWM250 74.50, Wossner 8290D050

Product form

This Wossner forged piston kit with a 74.50mm nominal bore (actual 74.43mm) is engineered for ROTAX SWM250 models from 1979... Read more

1 in stock 1-2 business days

£160.18 Incl. VAT

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    SKU: 56-W970+050.WO

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

    Description

    This Wossner forged piston kit with a 74.50mm nominal bore (actual 74.43mm) is engineered for ROTAX SWM250 models from 1979 to 1982. Designed for two-stroke engines, it delivers high strength and optimised thermal conductivity for demanding applications.

    Features

    • Forged piston construction ensures exceptional strength and durability

    • Precision engineering enhances heat transfer from combustion chamber to cylinder wall

    • Elliptical profile distributes load evenly, reducing localised stress and preventing piston failure

    • Manufactured in Germany with strict quality standards

    Specifications

    • Bore Size: 74.50mm (actual 74.43mm)

    • Stroke: 57.50 mm

    • Clearance: 0.06 mm

    • Wossner Compression Ratio: 2 stroke

    • OEM Compression Ratio: 2 stroke

    • Compression Height: 34.00 mm

    • Lock Part Number: CW18

    • Pin Part Number: WP033

    • Ring Set Part Number: RSB7450 x 2

    Vehicle Fitments

    • ROTAX SWM250 1979–1982

    Vehicle Compatibility

    Please check the exact model and year before ordering.

    Manufacturer Model Years
    ROTAX SWM 250 1979-1982

    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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