PISTON KIT 03-09 CR85 47.50 B, WOSSNER 8105DB HONDA MX
4.1 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
Spread the cost with 
The Wossner 8105DB piston kit is a precision-engineered, forged piston assembly designed for Honda CR85 motorcycles. With a 47.51mm bore size and 47.46mm piston diameter, this piston is crafted for optimal combustion efficiency and durability. Its elliptical design ensures uniform expansion and even load distribution, minimising wear and preventing piston collapse. Manufactured in Germany, this component is built to meet rigorous performance standards for two-stroke engines. Features include forged piston construction for enhanced strength and durability, designed for efficient heat transfer to cylinder walls, an elliptical piston shape for even load distribution, and high precision and quality manufacturing in Germany. Specifications include a bore of 47.51 mm, piston diameter of 47.46 mm, displacement of 84 cm³, stroke of 47.80 mm, piston clearance of 0.05 mm, compression height of 24.00 mm, and a 2-stroke compression ratio. Lock Part Number: CW14, Pin Part Number: WP058, Ring Set Part Number: RSB4750, Rod Part Number: P2003. Cross-Reference OEM Part Numbers: NAMURA NX-10080, WISECO 643M04700, WOSSNER 8238DA, 13120-GBF-B40, 13121-GBF-B41, 13111-GC4-600, 94601-14000. Weight is 136 grams.
- SKU
- 56-W833.B.WO
- Brand
- Wossner
- Availability
- In Stock (1)
Fitments (24)
| Make | Model | Year |
|---|---|---|
| HONDA | CR 80 | 1993 |
| HONDA | CR 80 | 1994 |
| HONDA | CR 80 | 1995 |
| HONDA | CR 80 | 1996 |
| HONDA | CR 80 | 1997 |
| HONDA | CR 80 | 1998 |
| HONDA | CR 80 | 1999 |
| HONDA | CR 80 | 2000 |
| HONDA | CR 80 | 2001 |
| HONDA | CR 80 | 2002 |
| HONDA | CR 80 | 2003 |
| HONDA | CR 80 | 2004 |
| HONDA | CR 80 | 2005 |
| HONDA | CR 80 | 2006 |
| HONDA | CR 85 | 2003 |
| HONDA | CR 85 | 2004 |
| HONDA | CR 85 | 2005 |
| HONDA | CR 85 | 2006 |
| HONDA | CR 85 | 2007 |
| HONDA | CR 85R | 2003 |
| HONDA | CR 85R | 2004 |
| HONDA | CR 85R | 2005 |
| HONDA | CR 85R | 2006 |
| HONDA | CR 85R | 2007 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 47.50mm
- Variant Id
- 257928
FULL DESCRIPTION
Wossner Forged Piston Kit for Honda CR85
Enhance the performance and durability of your Honda CR85 with this precision-engineered Wossner forged piston kit. Designed for 2-stroke engines, this high-quality component is manufactured in Germany to meet rigorous performance standards.
Key Features:
- Forged Construction: Offers superior strength and longevity compared to cast pistons.
- Elliptical Piston Design: Ensures uniform expansion and even load distribution for reduced wear and prevention of piston collapse.
- Optimized Heat Transfer: Promotes efficient heat dissipation to cylinder walls, contributing to reliable operation.
- High Precision Manufacturing: Built in Germany with meticulous attention to detail for peak performance.
Specifications:
- Bore Size: 47.51 mm
- Piston Diameter: 47.46 mm
- Displacement: 84 cm³
- Stroke: 47.80 mm
- Piston Clearance: 0.05 mm
- Compression Height: 24.00 mm
- Lock Part Number: CW14
- Pin Part Number: WP058
- Ring Set Part Number: RSB4750
- Rod Part Number: P2003
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.