PISTON KIT 05-18 KTM 250 66.40, WOSSNER PISTON KIT 8169DB
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Wossner forged piston kit with a 66.40mm bore size. This piston kit is engineered for superior strength and optimal heat transfer, featuring an elliptical design to ensure uniform bearing surface under heat expansion, reducing localized pressure and preventing piston collapse. Includes a hard Teflon skirt coating for an optimal fit and improved conformability to the cylinder bore. Bore Size: 66.41mm, Actual Bore Diameter: 66.35mm, Displacement: 249 cm³, Stroke: 72.00mm, Clearance: 0.06mm, Wossner Compression Ratio: 2-stroke, OEM Compression Ratio: 2-stroke, Compression Height: 38.00mm, Lock Part Number: CW18, Pin Part Number: WP033, Ring Set Part Number: RSB6640 x 2, Rod Part Number: P2023. Cross-reference OEM Part Number: 54830007300 II. Weight: 336g.
- SKU
- 56-W214.B.WO
- Brand
- Wossner
- Availability
- In Stock (4)
Fitments (166)
| Make | Model | Year |
|---|---|---|
| BETA | RR 250 | 2013 |
| BETA | RR 250 | 2014 |
| BETA | RR 250 | 2015 |
| BETA | RR 250 | 2016 |
| BETA | RR 250 | 2017 |
| BETA | RR 250 | 2018 |
| BETA | RR ENDURO 2T 250 | 2013 |
| BETA | RR ENDURO 2T 250 | 2014 |
| BETA | RR ENDURO 2T 250 | 2015 |
| BETA | RR ENDURO 2T 250 | 2016 |
| BETA | RR ENDURO 2T 250 | 2017 |
| BETA | RR ENDURO 2T 250 | 2018 |
| BETA | RR ENDURO 2T 250 | 2019 |
| BETA | RR ENDURO 2T 250 | 2020 |
| BETA | XTRAINER 250 | 2018 |
| GAS-GAS | EX 250 | 2023 |
| GAS-GAS | EX 250 | 2024 |
| GAS-GAS | EX 250 | 2025 |
| GASGAS | EC 250 | 2021 |
| GASGAS | EC 250 | 2022 |
| GASGAS | EC 250 | 2023 |
| GASGAS | EC 250 | 2024 |
| GASGAS | EC 250 | 2025 |
| GASGAS | EX 250 | 2022 |
| GASGAS | MC 250 | 2022 |
| GASGAS | MC 250 | 2023 |
| GASGAS | MC 250 | 2024 |
| GASGAS | MC 250 | 2025 |
| HUSABERG | TE 250 | 2011 |
| HUSABERG | TE 250 | 2012 |
| HUSABERG | TE 250 | 2013 |
| HUSABERG | TE 250 | 2014 |
| HUSQVARNA | TC 250 | 2014 |
| HUSQVARNA | TC 250 | 2015 |
| HUSQVARNA | TC 250 | 2016 |
| HUSQVARNA | TC 250 | 2017 |
| HUSQVARNA | TC 250 | 2018 |
| HUSQVARNA | TC 250 | 2019 |
| HUSQVARNA | TC 250 | 2020 |
| HUSQVARNA | TC 250 | 2021 |
| HUSQVARNA | TC 2T 250 | 2014 |
| HUSQVARNA | TC 2T 250 | 2015 |
| HUSQVARNA | TC 2T 250 | 2016 |
| HUSQVARNA | TC 2T 250 | 2017 |
| HUSQVARNA | TC 2T 250 | 2018 |
| HUSQVARNA | TC 2T 250 | 2019 |
| HUSQVARNA | TC 2T 250 | 2020 |
| HUSQVARNA | TC 2T 250 | 2021 |
| HUSQVARNA | TC 2T 250 | 2022 |
| HUSQVARNA | TC 2T 250 | 2023 |
| HUSQVARNA | TC 2T 250 | 2024 |
| HUSQVARNA | TC 2T 250 | 2025 |
| HUSQVARNA | TE 250 | 2014 |
| HUSQVARNA | TE 250 | 2015 |
| HUSQVARNA | TE 250 | 2016 |
| HUSQVARNA | TE 250 | 2017 |
| HUSQVARNA | TE 250 | 2018 |
| HUSQVARNA | TE 250 | 2019 |
| HUSQVARNA | TE 250 | 2020 |
| HUSQVARNA | TE 250 | 2021 |
| HUSQVARNA | TE 250i | 2018 |
| HUSQVARNA | TE 250i | 2019 |
| HUSQVARNA | TE 250i | 2020 |
| HUSQVARNA | TE 250i | 2021 |
| HUSQVARNA | TE 250I | 2022 |
| HUSQVARNA | TE 250I | 2023 |
| HUSQVARNA | TE 250I | 2024 |
| HUSQVARNA | TE 250I | 2025 |
| HUSQVARNA | TE 2T 250 | 2014 |
| HUSQVARNA | TE 2T 250 | 2015 |
| HUSQVARNA | TE 2T 250 | 2016 |
| HUSQVARNA | TE 2T 250 | 2017 |
| KTM | 250 EXC | 2005 |
| KTM | 250 EXC | 2006 |
| KTM | 250 EXC | 2007 |
| KTM | 250 EXC | 2008 |
| KTM | 250 EXC | 2009 |
| KTM | 250 EXC | 2010 |
| KTM | 250 EXC | 2011 |
| KTM | 250 EXC | 2012 |
| KTM | 250 EXC | 2013 |
| KTM | 250 EXC | 2014 |
| KTM | 250 EXC | 2015 |
| KTM | 250 EXC | 2016 |
| KTM | 250 EXC | 2017 |
| KTM | 250 EXC | 2018 |
| KTM | 250 EXC | 2019 |
| KTM | 250 EXC | 2020 |
| KTM | 250 EXC | 2021 |
| KTM | 250 EXC TPI | 2018 |
| KTM | 250 EXC TPI | 2019 |
| KTM | 250 EXC TPI | 2020 |
| KTM | 250 EXC TPI | 2021 |
| KTM | 250 EXC TPI | 2022 |
| KTM | 250 EXC TPI | 2023 |
| KTM | 250 EXC TPI | 2024 |
| KTM | 250 EXC TPI | 2025 |
| KTM | 250 FREERIDE R | 2014 |
| KTM | 250 FREERIDE R | 2015 |
| KTM | 250 FREERIDE R | 2016 |
| KTM | 250 FREERIDE R | 2017 |
| KTM | 250 SX | 2003 |
| KTM | 250 SX | 2004 |
| KTM | 250 SX | 2005 |
| KTM | 250 SX | 2006 |
| KTM | 250 SX | 2007 |
| KTM | 250 SX | 2008 |
| KTM | 250 SX | 2009 |
| KTM | 250 SX | 2010 |
| KTM | 250 SX | 2011 |
| KTM | 250 SX | 2012 |
| KTM | 250 SX | 2013 |
| KTM | 250 SX | 2014 |
| KTM | 250 SX | 2015 |
| KTM | 250 SX | 2016 |
| KTM | 250 SX | 2017 |
| KTM | 250 SX | 2018 |
| KTM | 250 SX | 2019 |
| KTM | 250 SX | 2020 |
| KTM | 250 SX | 2021 |
| KTM | 250 SX | 2022 |
| KTM | 250 SX | 2023 |
| KTM | 250 SX | 2024 |
| KTM | 250 SX | 2025 |
| KTM | 250 XC | 2006 |
| KTM | 250 XC | 2007 |
| KTM | 250 XC | 2008 |
| KTM | 250 XC | 2009 |
| KTM | 250 XC | 2010 |
| KTM | 250 XC | 2011 |
| KTM | 250 XC | 2012 |
| KTM | 250 XC | 2013 |
| KTM | 250 XC | 2014 |
| KTM | 250 XC | 2015 |
| KTM | 250 XC | 2016 |
| KTM | 250 XC | 2017 |
| KTM | 250 XC | 2018 |
| KTM | 250 XC | 2019 |
| KTM | 250 XC | 2020 |
| KTM | 250 XC-W | 2006 |
| KTM | 250 XC-W | 2007 |
| KTM | 250 XC-W | 2008 |
| KTM | 250 XC-W | 2009 |
| KTM | 250 XC-W | 2010 |
| KTM | 250 XC-W | 2011 |
| KTM | 250 XC-W | 2012 |
| KTM | 250 XC-W | 2013 |
| KTM | 250 XC-W | 2014 |
| KTM | 250 XC-W | 2015 |
| KTM | 250 XC-W | 2016 |
| KTM | 250 XC-W | 2017 |
| KTM | 250 XC-W | 2018 |
| KTM | 250 XC-W | 2019 |
| KTM | 250 XC-W | 2020 |
| SHERCO | SE 250 | 2013 |
| SHERCO | SE 250 | 2014 |
| SHERCO | SE 250 | 2015 |
| SHERCO | SE 250 | 2016 |
| SHERCO | SE 250 | 2017 |
| SHERCO | SE 250 | 2018 |
| SHERCO | SE R 250 | 2013 |
| SHERCO | SE R 250 | 2014 |
| SHERCO | SE R 250 | 2015 |
| SHERCO | SE R 250 | 2016 |
| SHERCO | SE R 250 | 2017 |
| SHERCO | SE R 250 | 2018 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 66.4mm
- Variant Id
- 255035
FULL DESCRIPTION
Wossner Forged Piston Kit for High-Performance Engines
This Wossner forged piston kit is meticulously engineered to deliver exceptional strength and superior performance for demanding engine applications. Designed with precision, it ensures optimal heat transfer and durability, making it an ideal upgrade for riders seeking enhanced power and reliability.
Key Features:
- Forged Construction: Crafted from high-quality forged materials for maximum strength and resistance to extreme engine conditions.
- Optimized Heat Transfer: Engineered to efficiently manage heat within the combustion chamber, promoting consistent performance and longevity.
- Elliptical Piston Design: Features an elliptical shape that adapts to thermal expansion, ensuring uniform bearing surface, reducing localized pressure, and preventing piston collapse for consistent operation.
- Hard Teflon Skirt Coating: The piston skirt is coated with a durable Teflon layer, providing an optimal fit within the cylinder bore, reducing friction, and enhancing wear resistance.
Specifications:
- Bore Size: 66.41mm
- Actual Bore Diameter: 66.35mm
- Displacement: 249 cm³
- Stroke: 72.00mm
- Clearance: 0.06mm
- Compression Height: 38.00mm
- Lock Part Number: CW18
- Pin Part Number: WP033
- Ring Set Part Number: RSB6640 x 2
- Rod Part Number: P2023
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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