PISTON 94-09 TM250 66.4 DOMED, WOSSNER 8136DB TWIN RING
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Wossner forged piston kit for 2-stroke engines, 66.4mm domed piston with twin rings. Features forged construction for enhanced durability and optimized heat transfer for improved performance. The elliptical design prevents localized pressure and piston collapse, while the domed piston design increases efficiency. Manufactured in Germany. Bore: 66.34 mm, Piston Size: 66.41 mm, Displacement: 577 cm³, Stroke: 72.00 mm, Clearance: 0.07 mm. Dome Volume: Domed, Compression Height: 38.00 mm. Cross-reference OEM Part Numbers: Lock: CW18, Pin: WP033, Ring Set: 980XSY.
- SKU
- 56-W020.B.WO
- Brand
- Wossner
- Availability
- In Stock (3)
Fitments (132)
| Make | Model | Year |
|---|---|---|
| MOTO TM | EN 250 | 1999 |
| MOTO TM | EN 250 | 2000 |
| MOTO TM | EN 250 | 2001 |
| MOTO TM | EN 250 | 2002 |
| MOTO TM | EN 250 | 2003 |
| MOTO TM | EN 250 | 2004 |
| MOTO TM | EN 250 | 2005 |
| MOTO TM | EN 250 | 2006 |
| MOTO TM | EN 250 | 2007 |
| MOTO TM | EN 250 | 2008 |
| MOTO TM | EN 250 | 2009 |
| MOTO TM | EN 250 | 2010 |
| MOTO TM | EN 250 | 2011 |
| MOTO TM | EN 250 | 2012 |
| MOTO TM | EN 250 | 2013 |
| MOTO TM | EN 250 | 2014 |
| MOTO TM | EN 250 | 2015 |
| MOTO TM | EN 250 | 2016 |
| MOTO TM | EN 250 | 2017 |
| MOTO TM | EN 250 | 2018 |
| MOTO TM | EN 250 | 2019 |
| MOTO TM | EN 250 | 2020 |
| MOTO TM | EN 250 | 2021 |
| MOTO TM | EN 250 | 2022 |
| MOTO TM | EN 250 | 2023 |
| MOTO TM | EN 250 | 2024 |
| MOTO TM | EN 250 | 2025 |
| MOTO TM | MX 250 | 1999 |
| MOTO TM | MX 250 | 2000 |
| MOTO TM | MX 250 | 2001 |
| MOTO TM | MX 250 | 2002 |
| MOTO TM | MX 250 | 2003 |
| MOTO TM | MX 250 | 2004 |
| MOTO TM | MX 250 | 2005 |
| MOTO TM | MX 250 | 2006 |
| MOTO TM | MX 250 | 2007 |
| MOTO TM | MX 250 | 2008 |
| MOTO TM | MX 250 | 2009 |
| MOTO TM | MX 250 | 2010 |
| MOTO TM | MX 250 | 2011 |
| MOTO TM | MX 250 | 2012 |
| MOTO TM | MX 250 | 2013 |
| MOTO TM | MX 250 | 2014 |
| MOTO TM | MX 250 | 2015 |
| MOTO TM | MX 250 | 2016 |
| MOTO TM | MX 250 | 2017 |
| MOTO TM | MX 250 | 2018 |
| MOTO TM | MX 250 | 2019 |
| MOTO TM | MX 250 | 2020 |
| MOTO TM | MX 250 | 2021 |
| MOTO TM | MX 250 | 2022 |
| MOTO TM | MX 250 | 2023 |
| MOTO TM | MX 250 | 2024 |
| MOTO TM | MX 250 | 2025 |
| 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 | EN 250 | 2014 |
| TM | EN 250 | 2015 |
| TM | EN 250 | 2016 |
| 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 | MX 250 | 2014 |
| TM | MX 250 | 2015 |
| TM | MX 250 | 2016 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- Variant Id
- 254274
FULL DESCRIPTION
Wossner 66.4mm Domed Twin Ring Forged Piston Kit
This Wossner forged piston kit is engineered for exceptional strength and performance in demanding 2-stroke motorcycle engines. Designed for optimal heat transfer, it efficiently moves heat from the combustion chamber to the cylinder walls, contributing to consistent performance. The innovative elliptical design ensures a uniform bearing surface even under extreme heat expansion, effectively reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured in Germany to high standards, this piston is built for durability and reliability.
Key Features:
- Forged Construction: Provides superior strength and enhanced durability over cast pistons.
- Optimized Heat Transfer: Promotes efficient cooling for improved engine performance and longevity.
- Elliptical Design: Prevents localized pressure and ensures even load distribution, resisting piston collapse.
- Domed Piston Design: Engineered for increased combustion efficiency.
- Twin Ring Configuration: Offers improved sealing for better compression and performance.
Specifications:
- Bore: 66.34 mm
- Piston Size: 66.41 mm
- Displacement: 577 cm³
- Stroke: 72.00 mm
- 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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