PISTON KIT 81-83 CR250 66.50, FORGED WOSSNER 8155D050
4.1 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
Spread the cost with 
Wossner 66.50mm Bore Piston Kit 8155D050. This high-performance forged piston is designed for durability and efficient heat transfer. It features an elliptical design for even load distribution, reducing localized pressure and preventing piston collapse. Manufactured in Germany, this piston is specifically designed for two-stroke engines. Specifications include a bore size of 66.50mm, actual bore diameter of 66.44mm, displacement of 246cc, and a stroke of 72.00mm. Also includes lock P/N CW18, pin P/N WP033, and ring set P/N RSB6650 x2.
- SKU
- 56-W466+P2.WO
- Brand
- Wossner
- Availability
- In Stock (3)
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 66.5mm
- Variant Id
- 255826
FULL DESCRIPTION
Wossner Forged Piston Kit 66.50mm Bore
Enhance the performance and durability of your motorcycle's engine with this high-quality forged piston kit from Wossner. Engineered for precision and built to last, this piston is a superior replacement for original equipment parts.
Key Features:
- Forged Construction: Made from high-strength forged aluminum for exceptional durability and resistance to extreme conditions.
- Optimized Heat Transfer: Designed to efficiently transfer heat away from the combustion chamber, promoting better combustion and extending engine life.
- Elliptical Design: Features an innovative elliptical skirt design that ensures even load distribution across the piston surface. This reduces localized pressure points, prevents piston collapse under high stress, and contributes to smoother engine operation.
- Two-Stroke Specific: Meticulously engineered for the demands of two-stroke engines.
- Precision Manufacturing: Manufactured in Germany to exacting standards, ensuring top-tier quality and reliability.
Specifications:
- Bore Size: 66.50mm
- Actual Bore Diameter: 66.44mm
- Compression Ratio: Two-stroke
- Displacement: 246cc
- Stroke: 72.00mm
- Piston Clearance: 0.06mm
Included Components:
- Lock Rings: CW18
- Piston Pin: WP033
- Ring Set: RSB6650 (x2)
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.