Piston Kit 01-08 KTM50 Sx, Wossner 8225DC Forged MX

Description

This Wossner forged piston kit with a 39.52mm bore (+0.02mm oversize) is specifically engineered for KTM SX50 models from 2001 to 2008. Designed to deliver consistent performance in high-revving two-stroke engines, it features a precision-machined elliptical profile for even load distribution and superior durability. Manufactured in Germany, this piston is ideal for engines requiring minimal oversizing during rebuilds.

Features

  • Forged construction ensures enhanced strength and long-lasting performance

  • Optimised for effective heat transfer from combustion chamber to cylinder walls

  • Elliptical design minimises stress concentrations and prevents piston collapse

  • Made in Germany

Specifications

  • Bore: 39.52mm

  • Actual Bore: 39.47mm

  • Engine Displacement: 50 cm³

  • Stroke: 40.00mm

  • Clearance: 0.04mm

  • Compression Ratio: 2-stroke (Wossner and OEM)

  • Compression Height: 21.60mm

  • Lock Part Number: CW12

  • Pin Part Number: WP101

  • Ring Set Part Number: RSB3950

Vehicle Fitments

  • 2001 KTM SX50

  • 2002 KTM SX50

  • 2003 KTM SX50

  • 2004 KTM SX50

  • 2005 KTM SX50

  • 2006 KTM SX50

  • 2007 KTM SX50

  • 2008 KTM SX50

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer Model Years
KTM SX 50 2001-2008
KTM JR ADVENTURE 50 2003
KTM MINI ADVENTURE 50 2002-2008
KTM ADVENTURE 50 2002-2008
KTM SXR ADVENTURE 50 2003
KTM SXR ADVENTURE 50 2006-2007
KTM SXR ADVENTURE 50 2004-2005
KTM SX PRO SR 50 2001-2005
KTM SX PRO JR 50 2001-2005
KTM SX MINI LC 50 2008
KTM SX JR 50 2008
KTM SX JR 50 2006-2007
KTM SX 50 2008
KTM SX 50 2006-2007
KTM SR ADVENTURE 50 2003
KTM SR ADVENTURE 50 2002
KTM SR ADVENTURE 50 2006-2007
KTM SR ADVENTURE 50 2004-2005
KTM MINI ADVENTURE GS 50 2002
KTM MINI ADVENTURE 50 2003
KTM MINI ADVENTURE 50 2002
KTM MINI ADVENTURE 50 2006-2007
KTM MINI ADVENTURE 50 2004-2005
KTM JR ADVENTURE 50 2002
BETA RK6 50 1997-2002
KTM SX MINI LC 50 2001-2008
BETA SUPERMOTARD 50 1996-1999
BETA ST 50 1996-1999

Piston Kit 01-08 KTM50 Sx, Wossner 8225DC Forged MX

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This Wossner forged piston kit with a 39.52mm bore (+0.02mm oversize) is specifically engineered for KTM SX50 models from 2001... Read more

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    SKU: 56-W803.C.WO

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    Description

    This Wossner forged piston kit with a 39.52mm bore (+0.02mm oversize) is specifically engineered for KTM SX50 models from 2001 to 2008. Designed to deliver consistent performance in high-revving two-stroke engines, it features a precision-machined elliptical profile for even load distribution and superior durability. Manufactured in Germany, this piston is ideal for engines requiring minimal oversizing during rebuilds.

    Features

    • Forged construction ensures enhanced strength and long-lasting performance

    • Optimised for effective heat transfer from combustion chamber to cylinder walls

    • Elliptical design minimises stress concentrations and prevents piston collapse

    • Made in Germany

    Specifications

    • Bore: 39.52mm

    • Actual Bore: 39.47mm

    • Engine Displacement: 50 cm³

    • Stroke: 40.00mm

    • Clearance: 0.04mm

    • Compression Ratio: 2-stroke (Wossner and OEM)

    • Compression Height: 21.60mm

    • Lock Part Number: CW12

    • Pin Part Number: WP101

    • Ring Set Part Number: RSB3950

    Vehicle Fitments

    • 2001 KTM SX50

    • 2002 KTM SX50

    • 2003 KTM SX50

    • 2004 KTM SX50

    • 2005 KTM SX50

    • 2006 KTM SX50

    • 2007 KTM SX50

    • 2008 KTM SX50

    Vehicle Compatibility

    Please check the exact model and year before ordering.

    Manufacturer Model Years
    KTM SX 50 2001-2008
    KTM JR ADVENTURE 50 2003
    KTM MINI ADVENTURE 50 2002-2008
    KTM ADVENTURE 50 2002-2008
    KTM SXR ADVENTURE 50 2003
    KTM SXR ADVENTURE 50 2006-2007
    KTM SXR ADVENTURE 50 2004-2005
    KTM SX PRO SR 50 2001-2005
    KTM SX PRO JR 50 2001-2005
    KTM SX MINI LC 50 2008
    KTM SX JR 50 2008
    KTM SX JR 50 2006-2007
    KTM SX 50 2008
    KTM SX 50 2006-2007
    KTM SR ADVENTURE 50 2003
    KTM SR ADVENTURE 50 2002
    KTM SR ADVENTURE 50 2006-2007
    KTM SR ADVENTURE 50 2004-2005
    KTM MINI ADVENTURE GS 50 2002
    KTM MINI ADVENTURE 50 2003
    KTM MINI ADVENTURE 50 2002
    KTM MINI ADVENTURE 50 2006-2007
    KTM MINI ADVENTURE 50 2004-2005
    KTM JR ADVENTURE 50 2002
    BETA RK6 50 1997-2002
    KTM SX MINI LC 50 2001-2008
    BETA SUPERMOTARD 50 1996-1999
    BETA ST 50 1996-1999

    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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