2Bros Parts

PISTON KIT 05-18 KTM 250 66.40, WOSSNER PISTON KIT 8169DB

$159.50

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Delivery to United States 5–8 business days

Spread the cost with Klarna

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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.

Specifications
SKU
56-W214.B.WO
Brand
Wossner
Availability
In Stock (4)

Fitments (166)

MakeModelYear
BETARR 2502013
BETARR 2502014
BETARR 2502015
BETARR 2502016
BETARR 2502017
BETARR 2502018
BETARR ENDURO 2T 2502013
BETARR ENDURO 2T 2502014
BETARR ENDURO 2T 2502015
BETARR ENDURO 2T 2502016
BETARR ENDURO 2T 2502017
BETARR ENDURO 2T 2502018
BETARR ENDURO 2T 2502019
BETARR ENDURO 2T 2502020
BETAXTRAINER 2502018
GAS-GASEX 2502023
GAS-GASEX 2502024
GAS-GASEX 2502025
GASGASEC 2502021
GASGASEC 2502022
GASGASEC 2502023
GASGASEC 2502024
GASGASEC 2502025
GASGASEX 2502022
GASGASMC 2502022
GASGASMC 2502023
GASGASMC 2502024
GASGASMC 2502025
HUSABERGTE 2502011
HUSABERGTE 2502012
HUSABERGTE 2502013
HUSABERGTE 2502014
HUSQVARNATC 2502014
HUSQVARNATC 2502015
HUSQVARNATC 2502016
HUSQVARNATC 2502017
HUSQVARNATC 2502018
HUSQVARNATC 2502019
HUSQVARNATC 2502020
HUSQVARNATC 2502021
HUSQVARNATC 2T 2502014
HUSQVARNATC 2T 2502015
HUSQVARNATC 2T 2502016
HUSQVARNATC 2T 2502017
HUSQVARNATC 2T 2502018
HUSQVARNATC 2T 2502019
HUSQVARNATC 2T 2502020
HUSQVARNATC 2T 2502021
HUSQVARNATC 2T 2502022
HUSQVARNATC 2T 2502023
HUSQVARNATC 2T 2502024
HUSQVARNATC 2T 2502025
HUSQVARNATE 2502014
HUSQVARNATE 2502015
HUSQVARNATE 2502016
HUSQVARNATE 2502017
HUSQVARNATE 2502018
HUSQVARNATE 2502019
HUSQVARNATE 2502020
HUSQVARNATE 2502021
HUSQVARNATE 250i2018
HUSQVARNATE 250i2019
HUSQVARNATE 250i2020
HUSQVARNATE 250i2021
HUSQVARNATE 250I2022
HUSQVARNATE 250I2023
HUSQVARNATE 250I2024
HUSQVARNATE 250I2025
HUSQVARNATE 2T 2502014
HUSQVARNATE 2T 2502015
HUSQVARNATE 2T 2502016
HUSQVARNATE 2T 2502017
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 EXC2021
KTM250 EXC TPI2018
KTM250 EXC TPI2019
KTM250 EXC TPI2020
KTM250 EXC TPI2021
KTM250 EXC TPI2022
KTM250 EXC TPI2023
KTM250 EXC TPI2024
KTM250 EXC TPI2025
KTM250 FREERIDE R2014
KTM250 FREERIDE R2015
KTM250 FREERIDE R2016
KTM250 FREERIDE R2017
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 SX2021
KTM250 SX2022
KTM250 SX2023
KTM250 SX2024
KTM250 SX2025
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 XC2019
KTM250 XC2020
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
KTM250 XC-W2019
KTM250 XC-W2020
SHERCOSE 2502013
SHERCOSE 2502014
SHERCOSE 2502015
SHERCOSE 2502016
SHERCOSE 2502017
SHERCOSE 2502018
SHERCOSE R 2502013
SHERCOSE R 2502014
SHERCOSE R 2502015
SHERCOSE R 2502016
SHERCOSE R 2502017
SHERCOSE R 2502018
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
66.4mm
Variant Id
255035
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

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
Before you buy

QUESTIONS? JUST ASK

Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).

Call us+44 330 133 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.

Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. 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

By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.

Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.

More answers in our FAQ.

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