PISTON KIT 09-18 SX50 39.5mm B, WOSSNER 8262DB KTM MX
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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.
- SKU
- 56-W802.B.WO
- Brand
- Wossner
- Availability
- Out of Stock
Fitments (31)
| Make | Model | Year |
|---|---|---|
| GASGAS | MC 50 | 2021 |
| GASGAS | MC 50 | 2022 |
| GASGAS | MC 50 | 2023 |
| GASGAS | MC 50 | 2024 |
| GASGAS | MC 50 | 2025 |
| HUSQVARNA | TC 50 | 2017 |
| HUSQVARNA | TC 50 | 2018 |
| HUSQVARNA | TC 50 | 2019 |
| HUSQVARNA | TC 50 | 2020 |
| HUSQVARNA | TC 50 | 2021 |
| HUSQVARNA | TC 50 | 2022 |
| HUSQVARNA | TC 50 | 2023 |
| HUSQVARNA | TC 50 | 2024 |
| HUSQVARNA | TC 50 | 2025 |
| KTM | 50 SX | 2009 |
| KTM | 50 SX | 2010 |
| KTM | 50 SX | 2011 |
| KTM | 50 SX | 2012 |
| KTM | 50 SX | 2013 |
| KTM | 50 SX | 2014 |
| KTM | 50 SX | 2015 |
| KTM | 50 SX | 2016 |
| KTM | 50 SX | 2017 |
| KTM | 50 SX | 2018 |
| KTM | 50 SX | 2019 |
| KTM | 50 SX | 2020 |
| KTM | 50 SX | 2021 |
| KTM | 50 SX | 2022 |
| KTM | 50 SX | 2023 |
| KTM | 50 SX | 2024 |
| KTM | 50 SX | 2025 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 39.5mm
- Variant Id
- 257812
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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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.
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