PISTON KIT 1987 CR125 55.00, WOSSNER 8126D100 HONDA MX
4.1 Trustpilot 99.9% positive on eBay
Free UK delivery 2–4 business days
Wossner piston kit with 55.00mm bore size (54.94mm actual). Forged in Germany for strength and durability. Features an elliptical profile for even thrust load distribution under heat expansion, minimising localised pressure and reducing the risk of piston collapse. Specifications include a bore size of 55.00mm (54.94mm), display of 124 cm³, stroke of 54.00 mm, clearance of 0.06 mm, compression height of 28.00 mm, and a 2-stroke compression ratio. Piston kit part number 8126D100, lock CW14, pin WP025, ring set RSB5500. This part number is 56-W553+P4.WO.
- SKU
- 56-W553+P4.WO
- Brand
- Wossner
- Availability
- Out of Stock
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 55mm
- Variant Id
- 256763
FULL DESCRIPTION
Wossner Piston Kit for Enhanced Performance
Upgrade your motorcycle's engine with this high-quality Wossner Piston Kit. Engineered for durability and optimal performance, this kit features a precise 55.00mm bore size (actual 54.94mm). Crafted in Germany, Wossner pistons are forged to deliver exceptional strength and reliability, ensuring consistent operation even under demanding conditions.
Key Features:
- Forged Construction: Provides superior strength and resistance to wear for long-lasting performance.
- Elliptical Piston Design: Manages thrust loads effectively by distributing pressure evenly during thermal expansion, minimizing stress and preventing piston collapse.
- Efficient Thermal Transfer: Designed to promote effective heat dissipation from the combustion chamber to the cylinder walls, contributing to stable engine temperatures.
- German Engineering: Manufactured to exacting standards in Germany for quality and precision.
Specifications:
- Bore Size: 55.00mm (54.94mm actual)
- Displacement: 124 cm³
- Stroke: 54.00 mm
- Piston Clearance: 0.06 mm
- Compression Height: 28.00 mm
- Compression Ratio: 2-stroke (Compatible with Wossner and OEM specifications)
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.
Call or email us with your make, model and year and we will check it for you before you order.
UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. 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.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.


