PISTON KIT 04-05 CRF250R 78.00, FORGED WOSSNER 8587DA, 13101-KRN-670
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Wossner 78.00mm forged piston kit is designed for strength and durability. Engineered for optimal heat transfer, it ensures efficient cooling of the combustion chamber. The elliptical design provides a uniform bearing surface, reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured in Germany for precision and reliability. Features include forged construction for enhanced strength and longevity, optimized heat transfer for improved engine performance, and an elliptical design that prevents piston collapse and ensures even load distribution. Manufactured in Germany for high-quality standards. Specifications: Bore Size 78.00mm, Actual Bore Diameter 77.95mm, Displacement 249 cm³, Stroke 52.20mm, Clearance 0.05mm, Wossner Compression Ratio OEM, OEM Compression Ratio 12.90:1, Dome Volume -1.00 cm³, Compression Height 18.90mm, Gasket Part Number D4004, Lock Part Number CW16, Pin Part Number WP070, Ring Set Part Number 780XAS-2, Rod Part Number P4001. Cross-Reference OEM Part Numbers: 13101-KRN-670. Part No: 56-W4829.A.WO. Wossner Part No: 8587DA.
- SKU
- 56-W4829.A.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
- 256197
FULL DESCRIPTION
Wossner 78.00mm Forged Piston Kit
This Wossner 78.00mm forged piston kit is engineered for superior strength and exceptional durability, providing a significant upgrade for your engine. Designed with optimal heat transfer in mind, it ensures efficient cooling of the combustion chamber, leading to improved performance and longevity. The advanced elliptical design of the piston offers a uniform bearing surface, effectively reducing localized pressure and distributing thrust loads evenly. This intelligent design prevents piston collapse and maintains optimal operational integrity.
Manufactured in Germany to stringent quality standards, this Wossner piston kit represents precision engineering and reliability.
Key Features
- Forged Construction: Built for enhanced strength and extended lifespan, offering superior resistance to stress and wear.
- Optimized Heat Transfer: Promotes efficient cooling within the combustion chamber, contributing to better engine performance and durability.
- Elliptical Design: Prevents piston collapse by ensuring an even distribution of load and thrust, maintaining optimal bearing surfaces.
- German Manufacturing: Guarantees high-quality standards, precision, and reliability in every component.
Specifications
- Bore Size: 78.00mm
- Actual Bore Diameter: 77.95mm
- Displacement: 249 cm³
- Stroke: 52.20mm
- Clearance: 0.05mm
- Wossner Compression Ratio: OEM
- OEM Compression Ratio: 12.90:1
- Dome Volume: -1.00 cm³
- Compression Height: 18.90mm
- Gasket Part Number: D4004
- Lock Part Number: CW16
- Pin Part Number: WP070
- Ring Set Part Number: 780XAS-2
- Rod Part Number: P4001
Cross-Reference OEM Part Numbers:
- 13101-KRN-670
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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