PISTON KIT 16-22 SXF250 78mm B, WOSSNER 8923DB KTM
4.1 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
Spread the cost with 
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
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).
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.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.