PISTON 99-09 TM250 66.4 DOME, WOSSNER 8137DA FORGED KIT, SINGLE RING
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Wossner 56-W021.A.WO forged piston kit for 2-stroke engines. Features include forged construction for enhanced durability, optimized heat transfer, an elliptical design to prevent localized pressure and piston collapse, a domed piston design for increased efficiency, and a single-ring configuration for reduced friction. Specifications: Bore 66.33 mm, Piston Size 66.40 mm, Displacement 249 cm³, Stroke 72.00 mm, Clearance 0.07 mm, Dome Volume Domed, Compression Height 38.00 mm. Includes lock CW18, pin WP033, and ring set RSB6640 x2. Manufactured in Germany.
- SKU
- 56-W021.A.WO
- Brand
- Wossner
- Availability
- In Stock (4)
Fitments (87)
| Make | Model | Year |
|---|---|---|
| TM | CROSS 250 | 1999 |
| TM | CROSS 250 | 2000 |
| TM | CROSS 250 | 2001 |
| TM | CROSS 250 | 2002 |
| TM | CROSS 250 | 2003 |
| TM | CROSS 250 | 2004 |
| TM | CROSS 250 | 2005 |
| TM | CROSS 250 | 2006 |
| TM | CROSS 250 | 2007 |
| TM | CROSS 250 | 2008 |
| TM | CROSS 250 | 2009 |
| TM | CROSS 250 | 2010 |
| TM | CROSS 250 | 2011 |
| TM | CROSS 250 | 2012 |
| TM | CROSS 250 | 2013 |
| TM | CROSS 250 | 2014 |
| TM | CROSS 250 | 2015 |
| TM | CROSS 250 | 2016 |
| TM | CROSS 250 | 2017 |
| TM | CROSS 250 | 2018 |
| TM | CROSS 250 | 2019 |
| TM | EN 250 | 1999 |
| TM | EN 250 | 2000 |
| TM | EN 250 | 2001 |
| TM | EN 250 | 2002 |
| TM | EN 250 | 2003 |
| TM | EN 250 | 2004 |
| TM | EN 250 | 2005 |
| TM | EN 250 | 2006 |
| TM | EN 250 | 2007 |
| TM | EN 250 | 2008 |
| TM | EN 250 | 2009 |
| TM | EN 250 | 2010 |
| TM | EN 250 | 2011 |
| TM | EN 250 | 2012 |
| TM | EN 250 | 2013 |
| TM | ENDURO 250 | 1999 |
| TM | ENDURO 250 | 2000 |
| TM | ENDURO 250 | 2001 |
| TM | ENDURO 250 | 2002 |
| TM | ENDURO 250 | 2003 |
| TM | ENDURO 250 | 2004 |
| TM | ENDURO 250 | 2005 |
| TM | ENDURO 250 | 2006 |
| TM | ENDURO 250 | 2007 |
| TM | ENDURO 250 | 2008 |
| TM | ENDURO 250 | 2009 |
| TM | ENDURO 250 | 2010 |
| TM | ENDURO 250 | 2011 |
| TM | ENDURO 250 | 2012 |
| TM | ENDURO 250 | 2013 |
| TM | ENDURO 250 | 2014 |
| TM | ENDURO 250 | 2015 |
| TM | ENDURO 250 | 2016 |
| TM | ENDURO 250 | 2017 |
| TM | ENDURO 250 | 2018 |
| TM | ENDURO 250 | 2019 |
| TM | MX 250 | 1999 |
| TM | MX 250 | 2000 |
| TM | MX 250 | 2001 |
| TM | MX 250 | 2002 |
| TM | MX 250 | 2003 |
| TM | MX 250 | 2004 |
| TM | MX 250 | 2005 |
| TM | MX 250 | 2006 |
| TM | MX 250 | 2007 |
| TM | MX 250 | 2008 |
| TM | MX 250 | 2009 |
| TM | MX 250 | 2010 |
| TM | MX 250 | 2011 |
| TM | MX 250 | 2012 |
| TM | MX 250 | 2013 |
| TM | TM 250 | 1999 |
| TM | TM 250 | 2000 |
| TM | TM 250 | 2001 |
| TM | TM 250 | 2002 |
| TM | TM 250 | 2003 |
| TM | TM 250 | 2004 |
| TM | TM 250 | 2005 |
| TM | TM 250 | 2006 |
| TM | TM 250 | 2007 |
| TM | TM 250 | 2008 |
| TM | TM 250 | 2009 |
| TM | TM 250 | 2010 |
| TM | TM 250 | 2011 |
| TM | TM 250 | 2012 |
| TM | TM 250 | 2013 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- Variant Id
- 254279
FULL DESCRIPTION
Wossner Forged Piston Kit - 66.4mm Dome, Single Ring
Enhance the strength and performance of your 2-stroke engine with this Wossner forged piston kit. Engineered in Germany, this piston is designed for superior heat transfer from the combustion chamber to the cylinder walls. Its unique elliptical design ensures a uniform bearing surface even under heat expansion, effectively reducing localized pressure and distributing thrust loads evenly to prevent piston collapse.
Key Features:
- Forged construction for exceptional durability and longevity.
- Optimized heat transfer for improved engine efficiency and performance.
- Elliptical piston design to prevent localized pressure buildup and potential piston collapse.
- Domed piston shape contributes to increased combustion efficiency.
- Single-ring configuration reduces friction and enhances overall performance.
Specifications:
- Bore Size: 66.33 mm
- Piston Diameter: 66.40 mm
- Displacement: 249 cm³
- Stroke: 72.00 mm
- Piston Clearance: 0.07 mm
- Dome Volume: Domed
- Compression Height: 38.00 mm
QUESTIONS? JUST ASK
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Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
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