2Bros Parts

PISTON KIT 03-04 KTM250 66.40, WOSSNE 8082DA FORGED MX 55430007000

£156.56Only 1 left

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Wossner forged piston kit for 250cc two-stroke engines. Bore size 66.40mm, piston diameter 66.34mm. Features forged construction for superior strength and durability, enhanced heat transfer for improved thermal efficiency, and an elliptically designed piston for uniform load distribution. Manufactured in Germany. Specifications include: Compression Height 38.00mm, Stroke 72.00mm, Clearance 0.06mm, Compression Ratio 2-stroke (Wossner and OEM), Displacement 249 cm³. Cross-reference OEM Part Numbers: Wossner 8082DA, Alternate Piston Kit Reference 56-W824.A.WO, Lock CW18, Pin WP033, Ring Set RSB6640, Rod P2023, OEM Part Numbers 55430007000, 824M06640. Weight 340g.

Specifications
SKU
56-W824.A.WO
Brand
Wossner
Availability
In Stock (1)

Fitments (127)

MakeModelYear
BETARR 2502013
BETARR 2502014
BETARR 2502015
GAS-GASEC 2501997
GAS-GASEC 2501998
GAS-GASEC 2501999
GAS-GASEC 2502000
GAS-GASEC 2502001
GAS-GASEC 2502002
GAS-GASEC 2502003
GAS-GASEC 2502004
GAS-GASEC 2502005
GAS-GASEC 2502006
GAS-GASEC 2502007
GAS-GASEC 2502008
GAS-GASEC 2502009
GAS-GASEC 2502010
GAS-GASEC 2502011
GAS-GASEC 2502012
GAS-GASEC 2502013
GAS-GASEC 2502014
HUSABERGTE 2502011
HUSABERGTE 2502012
HUSABERGTE 2502013
HUSABERGTE 2502014
HUSQVARNATC 2502014
HUSQVARNATC 2502015
HUSQVARNATC 2502016
HUSQVARNATC 2502017
HUSQVARNATC 2502018
HUSQVARNATC 2502019
HUSQVARNATC 2502020
HUSQVARNATE 2502014
HUSQVARNATE 2502015
HUSQVARNATE 2502016
HUSQVARNATE 2502017
HUSQVARNATE 2502018
HUSQVARNATE 2502019
HUSQVARNATE 250i2018
HUSQVARNATE 250i2019
HUSQVARNATE 250i2020
HUSQVARNATE 250i2021
KTM250 EXC2005
KTM250 EXC2006
KTM250 EXC2007
KTM250 EXC2008
KTM250 EXC2009
KTM250 EXC2010
KTM250 EXC2011
KTM250 EXC2012
KTM250 EXC2013
KTM250 EXC2014
KTM250 EXC2015
KTM250 EXC2016
KTM250 EXC2017
KTM250 EXC2018
KTM250 EXC2019
KTM250 EXC2020
KTM250 EXC TPI2018
KTM250 EXC TPI2019
KTM250 EXC TPI2020
KTM250 FREERIDE R2014
KTM250 SX2003
KTM250 SX2004
KTM250 SX2005
KTM250 SX2006
KTM250 SX2007
KTM250 SX2008
KTM250 SX2009
KTM250 SX2010
KTM250 SX2011
KTM250 SX2012
KTM250 SX2013
KTM250 SX2014
KTM250 SX2015
KTM250 SX2016
KTM250 SX2017
KTM250 SX2018
KTM250 SX2019
KTM250 SX2020
KTM250 SXS2003
KTM250 SXS2004
KTM250 SXS2005
KTM250 SXS2006
KTM250 SXS2007
KTM250 SXS2008
KTM250 SXS2009
KTM250 SXS2010
KTM250 SXS2011
KTM250 SXS2012
KTM250 SXS2013
KTM250 SXS2014
KTM250 SXS2015
KTM250 SXS2016
KTM250 XC2006
KTM250 XC2007
KTM250 XC2008
KTM250 XC2009
KTM250 XC2010
KTM250 XC2011
KTM250 XC2012
KTM250 XC2013
KTM250 XC2014
KTM250 XC2015
KTM250 XC2016
KTM250 XC2017
KTM250 XC2018
KTM250 XC W E2006
KTM250 XC W E2007
KTM250 XC W E2008
KTM250 XC W E2009
KTM250 XC W E2010
KTM250 XC W E2011
KTM250 XC W E2012
KTM250 XC-W2006
KTM250 XC-W2007
KTM250 XC-W2008
KTM250 XC-W2009
KTM250 XC-W2010
KTM250 XC-W2011
KTM250 XC-W2012
KTM250 XC-W2013
KTM250 XC-W2014
KTM250 XC-W2015
KTM250 XC-W2016
KTM250 XC-W2017
KTM250 XC-W2018
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
66.40mm
Variant Id
257896
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner Forged Piston Kit - 66.40mm Bore

This Wossner forged piston kit is engineered for exceptional performance and durability in 250cc two-stroke engines. Designed for standard bore configurations, it offers reliable power delivery, efficient thermal management, and robust structural integrity.

Key Features:

  • Forged Construction: Provides superior strength and durability for demanding riding conditions.
  • Enhanced Thermal Efficiency: Features improved heat transfer from the combustion chamber to the cylinder walls.
  • Elliptical Piston Design: Distributes load uniformly, reducing localized pressure and minimizing the risk of piston collapse.
  • Precision Manufacturing: Made in Germany to ensure consistent precision and high-quality standards.

Specifications:

  • Bore Size: 66.40 mm
  • Piston Diameter: 66.34 mm
  • Compression Height: 38.00 mm
  • Stroke: 72.00 mm
  • Clearance: 0.06 mm
  • Compression Ratio: 2-stroke (Wossner and OEM)
  • Displacement: 249 cm³

Kit Components:

  • Piston Kit: Wossner 8082DA
  • Lock: CW18
  • Pin: WP033
  • Ring Set: RSB6640
  • Rod: P2023

Cross-Reference OEM Part Numbers:

  • 55430007000
  • 824M06640
Before you buy

QUESTIONS? JUST ASK

Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.

Call us0330 133 3748
Email us[email protected]

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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