PISTON KIT 04-09 CRF250 HC 78, WOSSNER 8590DC FORGED
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Wossner 78.02mm high-compression forged piston kit is designed for enhanced engine performance. Manufactured in Germany for precision and reliability. Features high-compression design for increased engine performance, forged construction for enhanced strength and longevity, optimized heat transfer for efficient cooling, and an elliptical design that prevents piston collapse and ensures even load distribution. Specifications include Bore Size: 78.02mm, Actual Bore Diameter: 77.98mm, Displacement: 249 cm³, Stroke: 52.20mm, Clearance: 0.04mm, Wossner Compression Ratio: 13.90:1, OEM Compression Ratio: 12.90:1, Dome Volume: +0.00 cm³, Compression Height: 19.00mm, Lock Part Number: CW16, Pin Part Number: WP059, Ring Set Part Number: 780XAS, and Rod Part Number: P4001. Wossner Part No: 8590DC.
- SKU
- 56-W4852.C.WO
- Brand
- Wossner
- Availability
- In Stock (1)
Fitments (20)
| Make | Model | Year |
|---|---|---|
| HONDA | CRF 250R | 2004 |
| HONDA | CRF 250R | 2005 |
| HONDA | CRF 250R | 2006 |
| HONDA | CRF 250R | 2007 |
| HONDA | CRF 250R | 2008 |
| HONDA | CRF 250R | 2009 |
| HONDA | CRF 250X | 2004 |
| HONDA | CRF 250X | 2005 |
| HONDA | CRF 250X | 2006 |
| HONDA | CRF 250X | 2007 |
| HONDA | CRF 250X | 2008 |
| HONDA | CRF 250X | 2009 |
| HONDA | CRF 250X | 2010 |
| HONDA | CRF 250X | 2011 |
| HONDA | CRF 250X | 2012 |
| HONDA | CRF 250X | 2013 |
| HONDA | CRF 250X | 2014 |
| HONDA | CRF 250X | 2015 |
| HONDA | CRF 250X | 2016 |
| HONDA | CRF 250X | 2017 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 78mm
- Variant Id
- 256273
FULL DESCRIPTION
Wossner Forged High-Compression Piston Kit
Upgrade your engine's performance with the Wossner 78.02mm high-compression forged piston kit. This precision-engineered piston is designed for enhanced power output and durability, featuring advanced construction for optimal engine operation.
Key Features:
- High-Compression Design: Significantly increases engine performance for a more powerful ride.
- Forged Construction: Provides superior strength and longevity compared to cast pistons, built to withstand demanding conditions.
- Optimized Heat Transfer: Engineered for efficient cooling of the combustion chamber, maintaining optimal operating temperatures.
- Elliptical Design: Ensures a uniform bearing surface, minimizing localized pressure and distributing thrust loads evenly to prevent piston collapse.
- German Engineering: Manufactured in Germany, guaranteeing high-quality standards and reliable performance.
Specifications:
- Bore Size: 78.02mm
- Actual Bore Diameter: 77.98mm
- Displacement: 249 cm³
- Stroke: 52.20mm
- Clearance: 0.04mm
- Wossner Compression Ratio: 13.90:1
- OEM Compression Ratio: 12.90:1
- Dome Volume: +0.00 cm³
- Compression Height: 19.00mm
- Includes Lock Part Number: CW16
- Includes Pin Part Number: WP059
- Includes Ring Set Part Number: 780XAS
- Compatible Rod Part Number: P4001 (for 2010 - Current models)
QUESTIONS? JUST ASK
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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.
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
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