PISTON KIT 16-22 SXF250 78mm B, WOSSNER 8923DB KTM
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Wossner 8923DB piston kit with 78.01mm diameter and 77.97mm bore. This kit includes lock P/N CW16, pin P/N WP070, and ring set P/N RIK78.00. Wossner forged pistons offer superior strength and design, engineered for optimal combustion chamber heat transfer to cylinder walls. The elliptical design ensures a uniform bearing surface under heat expansion, distributing thrust loads evenly and preventing piston collapse. Made in Germany. Display (cm3) 249, hub stroke (mm) 52.30, clearance (mm) 0.04. Wossner compression ratio: OEM, OEM compression ratio: 13.90:1. Dome volume (cm3) -1.80, compression height (mm) 19.50. Theoretical weight (G) 135.00.
- SKU
- 56-W265.B.WO
- Brand
- Wossner
- Availability
- In Stock (1)
Fitments (34)
| Make | Model | Year |
|---|---|---|
| GAS-GAS | EX F 250 | 2021 |
| GAS-GAS | EX F 250 | 2022 |
| GAS-GAS | EX F 250 | 2023 |
| GAS-GAS | MC F 250 | 2021 |
| GAS-GAS | MC F 250 | 2022 |
| GAS-GAS | MC F 250 | 2023 |
| HUSQVARNA | FC 250 | 2016 |
| HUSQVARNA | FC 250 | 2017 |
| HUSQVARNA | FC 250 | 2018 |
| HUSQVARNA | FC 250 | 2019 |
| HUSQVARNA | FC 250 | 2020 |
| HUSQVARNA | FC 250 | 2021 |
| HUSQVARNA | FC 250 | 2022 |
| HUSQVARNA | FE 250 | 2016 |
| HUSQVARNA | FE 250 | 2017 |
| HUSQVARNA | FE 250 | 2018 |
| HUSQVARNA | FE 250 | 2019 |
| KTM | 250 EXC-F | 2016 |
| KTM | 250 EXC-F | 2017 |
| KTM | 250 EXC-F | 2018 |
| KTM | 250 EXC-F | 2019 |
| KTM | 250 SX-F | 2016 |
| KTM | 250 SX-F | 2017 |
| KTM | 250 SX-F | 2018 |
| KTM | 250 SX-F | 2019 |
| KTM | 250 SX-F | 2020 |
| KTM | 250 SX-F | 2021 |
| KTM | 250 SX-F | 2022 |
| KTM | 250 XC-F | 2016 |
| KTM | 250 XC-F | 2017 |
| KTM | 250 XC-F | 2018 |
| KTM | 250 XC-F | 2019 |
| KTM | 250 XC-F | 2020 |
| KTM | 250 XC-F | 2021 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 78mm
- Variant Id
- 255315
FULL DESCRIPTION
Wossner 8923DB Piston Kit - 78mm Bore
This Wossner 8923DB piston kit features a 78.01mm bore and is designed for optimal performance and durability. Wossner forged pistons are engineered for superior strength, providing an efficient path for combustion chamber heat transfer to the cylinder walls. The elliptical design ensures a uniform bearing surface under piston heat expansion, preventing localized pressure and distributing thrust loads evenly to avoid piston collapse. This piston kit is manufactured in Germany.
Key Features:
- Forged piston for enhanced strength and design
- Engineered for optimal heat transfer
- Elliptically designed to prevent piston collapse and distribute thrust loads evenly
- Made in Germany
- Bore: 77.97mm
- (+0.01mm)
- Display (cm3): 249
- Hub stroke (mm): 52.30
- Clearance (mm): 0.04
- Wossner Compression Ratio: OEM
- OEM Compression ratio: 13.90:1
- Dome volume (cm3): -1.80
- Compression height (mm): 19.50
- Theoretical weight (G): 135.00
Included Components:
- Lock P/N: CW16
- Pin P/N: WP070
- Ring Set P/N: RIK78.00
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