PISTON KIT 85-00 XR600R 98.00, FORGED WOSSNER 8574D100
4.1 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
Spread the cost with 
Wossner 98mm forged piston kit designed for optimal combustion chamber heat transfer and uniform load distribution, reducing localized pressure and preventing piston collapse. Made in Germany for durability and performance. Features forged construction for superior strength and durability, optimized heat transfer to cylinder walls, elliptical design for uniform bearing surface under heat expansion, reduced localized pressure, and even distribution of thrust loads preventing piston collapse under high-stress conditions. Specifications include a bore size of 98.00mm (Actual Size: 97.94mm), Wossner Part Number: 8574D100, Lock Part Number: CW23, Pin Part Number: WP057, Ring Set Part Number: 980XSY, Rod Part Number: P4028, Displacement: 654 cm³, Stroke: 80.00mm, Clearance: 0.06mm, Compression Ratio: 9.30:1, OEM Compression Ratio: 9.00:1, Dome Volume: -4.80 cm³, Compression Height: 29.70mm, and Theoretical Weight: 348.00g.
- SKU
- 56-W4577.P4.WO
- Brand
- Wossner
- Availability
- In Stock (1)
Fitments (17)
| Make | Model | Year |
|---|---|---|
| HONDA | XR 600R | 1985 |
| HONDA | XR 600R | 1986 |
| HONDA | XR 600R | 1987 |
| HONDA | XR 600R | 1988 |
| HONDA | XR 600R | 1989 |
| HONDA | XR 600R | 1990 |
| HONDA | XR 600R | 1991 |
| HONDA | XR 600R | 1992 |
| HONDA | XR 600R | 1993 |
| HONDA | XR 600R | 1994 |
| HONDA | XR 600R | 1995 |
| HONDA | XR 600R | 1996 |
| HONDA | XR 600R | 1997 |
| HONDA | XR 600R | 1998 |
| HONDA | XR 600R | 1999 |
| HONDA | XR 600R | 2000 |
| HONDA | XR 600R | 2001 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 98mm
- Variant Id
- 255747
FULL DESCRIPTION
Wossner 98mm Forged Piston Kit for Honda XR600R
Upgrade your Honda XR600R's performance and durability with this high-quality forged piston kit from Wossner. Engineered in Germany, this kit is designed for optimal combustion chamber heat transfer and uniform load distribution, effectively reducing localized pressure and preventing piston collapse under demanding conditions. Experience enhanced reliability and power with precision-crafted components.
Key Features:
- Forged Construction: Provides superior strength and exceptional durability for extended engine life.
- Optimized Heat Transfer: Efficiently transfers heat to cylinder walls, promoting consistent operating temperatures.
- Elliptical Design: Ensures a uniform bearing surface even under extreme heat expansion, maintaining optimal piston-to-cylinder wall contact.
- Even Load Distribution: Reduces localized pressure points and evenly distributes thrust loads for smoother operation and reduced wear.
- Prevents Piston Collapse: Engineered to withstand high-stress conditions, preventing catastrophic engine failure.
Specifications:
- Bore Size: 98.00mm (Actual Size: 97.94mm)
- Wossner Part Number: 8574D100
- Lock Part Number: CW23
- Pin Part Number: WP057
- Ring Set Part Number: 980XSY
- Rod Part Number: P4028
- Displacement: 654 cm³
- Stroke: 80.00mm
- Clearance: 0.06mm
- Compression Ratio: 9.30:1
- OEM Compression Ratio: 9.00:1
- Dome Volume: -4.80 cm³
- Compression Height: 29.70mm
- Theoretical Weight: 348.00g
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.