2Bros Parts

PISTON KIT 09-15 KTM65 SX 45.0, FORGED WOSSNER 8241DB

$92.88Only 1 left

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Delivery to United States 5–8 business days

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Wossner forged piston kit with a 45.01mm bore (44.97mm) for KTM SX65 (2009-2015). Designed for superior strength and heat transfer efficiency, this piston ensures optimal combustion performance. The elliptical design distributes thrust loads evenly, reducing localized pressure and preventing piston collapse. Manufactured in Germany. Features include forged piston for increased strength and durability, optimized heat transfer for improved performance, elliptical design ensuring uniform bearing surface under heat expansion, and even thrust load distribution to prevent piston collapse. Specifications: Bore Size 45.01mm (44.97mm), Part Number 8241DB, Lock Part Number CW12, Pin Part Number WP091, Ring Set Part Number RSB4500, Displacement 63 cm³, Stroke 40.80mm, Clearance 0.04mm, Compression Ratio 2-stroke, Compression Height 21.60mm. Weight 114g.

Specifications
SKU
56-W313.B.WO
Brand
Wossner
Availability
In Stock (1)

Fitments (44)

MakeModelYear
GASGASMC 652021
GASGASMC 652022
GASGASMC 652023
GASGASMC 652024
GASGASMC 652025
HUSQVARNATC 652017
HUSQVARNATC 652018
HUSQVARNATC 652019
HUSQVARNATC 652020
HUSQVARNATC 652021
HUSQVARNATC 652022
HUSQVARNATC 652023
HUSQVARNATC 652024
HUSQVARNATC 652025
KTM65 SX2009
KTM65 SX2010
KTM65 SX2011
KTM65 SX2012
KTM65 SX2013
KTM65 SX2014
KTM65 SX2015
KTM65 SX2016
KTM65 SX2017
KTM65 SX2018
KTM65 SX2019
KTM65 SX2020
KTM65 SX2021
KTM65 SX2022
KTM65 SX2023
KTM65 SX2024
KTM65 SX2025
KTM65 XC2009
KTM65 XC2010
KTM65 XC2011
KTM65 XC2012
KTM65 XC2013
KTM65 XC2014
KTM65 XC2015
KTM65 XC2016
KTM65 XC2017
KTM65 XC2018
KTM65 XC2019
KTM65 XC2020
KTM65 XC2021
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
45mm
Variant Id
255394
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner Forged Piston Kit 8241DB

Upgrade your performance with the Wossner Forged Piston Kit, engineered for superior strength and efficiency. This precision-crafted piston features a 45.01mm bore and is designed to optimize combustion and withstand demanding conditions. Manufactured in Germany, Wossner pistons are known for their exceptional quality and performance enhancement.

Key Features:

  • Forged Construction: Provides enhanced strength and durability for longevity.
  • Optimized Heat Transfer: Promotes efficient heat dissipation for improved performance.
  • Elliptical Design: Ensures uniform bearing surface under thermal expansion, reducing stress.
  • Even Thrust Load Distribution: Prevents localized pressure and piston collapse for reliable operation.
  • German Engineering: Manufactured to exacting standards for quality and performance.

Specifications:

  • Bore Size: 45.01mm (nominal 44.97mm)
  • Part Number: 8241DB
  • Lock Part Number: CW12
  • Pin Part Number: WP091
  • Ring Set Part Number: RSB4500
  • Displacement: 63 cm³
  • Stroke: 40.80mm
  • Clearance: 0.04mm
  • Compression Height: 21.60mm
  • Compression Type: 2-stroke
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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