PISTON KIT 77-80 RM125 55.00, FORGED WOSSNER 8192D100
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 55.00mm bore size. This piston is engineered for durability and high performance, with an elliptical design to prevent piston collapse and optimized heat transfer for efficient combustion. Manufactured in Germany to high-quality standards. Specifications include an actual bore diameter of 54.94mm, 123 cm³ displacement, 54.00mm stroke, 0.06mm clearance, and a compression height of 30.50mm. Included components are lock part number CW14, pin part number WP025, and two ring sets part number RSB5500.
- SKU
- 56-W206+100.WO
- Brand
- Wossner
- Availability
- In Stock (1)
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 55mm
- Variant Id
- 254987
FULL DESCRIPTION
Wossner Forged Piston Kit - High Performance and Durability
Experience enhanced strength and superior performance with the Wossner Forged Piston Kit. Engineered for demanding applications, this piston kit is designed for optimal heat transfer, ensuring efficient combustion and reliable operation. Manufactured in Germany to exacting standards, Wossner pistons are built to last.
The unique elliptical design of this piston provides a uniform bearing surface, even under the extreme thermal expansion experienced during operation. This innovative design effectively reduces localized pressure and evenly distributes thrust loads, preventing piston collapse and ensuring consistent performance.
Key Features:
- Forged piston construction for maximum strength and durability
- Optimized for excellent heat transfer to cylinder walls, promoting efficient combustion
- Elliptical piston design engineered to prevent piston collapse under heat
- High-quality manufacturing ensures reliability and longevity
- Made in Germany
Specifications:
- Bore Size: 55.00mm
- Actual Bore Diameter: 54.94mm
- Displacement: 123 cm³
- Stroke: 54.00mm
- Clearance: 0.06mm
- Dome Volume: -0.30 cm³
- Compression Height: 30.50mm
Included Components:
- Lock Part Number: CW14
- Pin Part Number: WP025
- Ring Set Part Number: RSB5500 (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.