2Bros Parts

PISTON KIT 09-18 SX50 39.5mm B, WOSSNER 8262DB KTM MX

£83.92

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Free UK delivery 2–4 business days

Out of Stock

Wossner forged piston kit with a 39.51mm bore (+0.01mm oversize) designed for 50 cm³ engines. Manufactured in Germany, this piston features an elliptical design for uniform bearing surface and reduced localized stress. Specifications include an actual bore of 39.46mm, stroke of 40.00mm, clearance of 0.04mm, and a compression ratio of 2-stroke. Compression height is 21.60mm. Includes lock part number CW12, pin part number WP101, ring set part number RSB2950, and rod part number P2053. Cross-references OEM part number 45230007000. Weight is 94g.

Specifications
SKU
56-W802.B.WO
Brand
Wossner
Availability
Out of Stock

Fitments (31)

MakeModelYear
GASGASMC 502021
GASGASMC 502022
GASGASMC 502023
GASGASMC 502024
GASGASMC 502025
HUSQVARNATC 502017
HUSQVARNATC 502018
HUSQVARNATC 502019
HUSQVARNATC 502020
HUSQVARNATC 502021
HUSQVARNATC 502022
HUSQVARNATC 502023
HUSQVARNATC 502024
HUSQVARNATC 502025
KTM50 SX2009
KTM50 SX2010
KTM50 SX2011
KTM50 SX2012
KTM50 SX2013
KTM50 SX2014
KTM50 SX2015
KTM50 SX2016
KTM50 SX2017
KTM50 SX2018
KTM50 SX2019
KTM50 SX2020
KTM50 SX2021
KTM50 SX2022
KTM50 SX2023
KTM50 SX2024
KTM50 SX2025
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
39.5mm
Variant Id
257812
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner Forged Piston Kit 39.5mm B for KTM SX50 (2009-2018)

This Wossner forged piston kit features a 39.51mm bore, designed for enhanced strength and consistent performance in high-performance small-displacement two-stroke engines. Manufactured in Germany, this piston utilizes advanced geometry for efficient heat dissipation and balanced thrust load distribution, ensuring optimal engine operation.

Key Features:

  • Forged construction provides maximum durability and strength.
  • Engineered to optimize heat transfer to the cylinder walls.
  • Elliptical design ensures a uniform bearing surface, reducing localized stress for extended component life.
  • Precision manufactured in Germany to exacting standards.

Specifications:

  • Bore Size: 39.51mm
  • Actual Bore: 39.46mm
  • Engine Displacement: 50 cm³
  • Stroke: 40.00mm
  • Clearance: 0.04mm
  • Compression Ratio: 2-stroke (Wossner and OEM compatible)
  • Compression Height: 21.60mm
  • Includes Lock Part Number: CW12
  • Includes Pin Part Number: WP101
  • Includes Ring Set Part Number: RSB2950
  • Compatible with Rod Part Number: P2053

Cross-Reference OEM Part Numbers: 45230007000 I

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Out of stock