PISTON KIT DR600 DR650 97.00, FORGED WOSSNER 8503D200
4.1 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
Spread the cost with
Wossner forged piston kit with a 97mm bore. Manufactured in Germany, this high-performance piston enhances strength, heat transfer, and durability. The elliptical design ensures uniform bearing surface distribution, reducing localized pressure and preventing piston collapse. Features forged construction for superior strength and durability, optimized heat transfer to cylinder walls, elliptical design for uniform bearing surface under heat expansion, and increased compression ratio for improved engine performance. Specifications: Bore: 97mm (96.94mm actual), Display: 589 cm³, Stroke: 85.00mm, Clearance: 0.06mm, Wossner Compression Ratio: 10.00:1, OEM Compression Ratio: 8.50:1, Dome Volume: +6.10 cm³, Compression Height: 29.90mm. Piston Part Number: 8503D200.
- SKU
- 56-W4597_200.WO
- Brand
- Wossner
- Availability
- In Stock (1)
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 97mm
- Variant Id
- 255762
FULL DESCRIPTION
Wossner Forged Piston Kit 97mm Bore
Upgrade your motorcycle's performance with this Wossner forged piston kit. Engineered for enhanced strength, superior heat transfer, and exceptional durability, this high-performance piston is manufactured in Germany to exacting standards. The advanced elliptical design ensures uniform bearing surface distribution, even under extreme heat expansion, effectively reducing localized pressure and preventing piston collapse for a longer lifespan and optimal engine operation.
Key Features:
- Forged construction for maximum strength and longevity.
- Optimized heat transfer capabilities for efficient cooling.
- Elliptical piston design for balanced bearing surface under thermal stress.
- Increased compression ratio for a noticeable boost in engine performance.
- Proudly made in Germany.
Specifications:
- Bore Size: 97mm (actual measurement 96.94mm)
- Displacement: 589 cm³
- Stroke: 85.00mm
- Piston Clearance: 0.06mm
- Wossner Compression Ratio: 10.00:1
- OEM Compression Ratio: 8.50:1
- Dome Volume: +6.10 cm³
- Compression Height: 29.90mm
Included Components:
- Wossner Piston Part Number: 8503D200
- Lock Rings: CW23
- Piston Pin: WP024
- Ring Set: 970XSY
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).
Call or email us with your make, model and year 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.


