PISTON KIT 90-91 CR125 55.00 WOSSNER 8107D100 HONDA MX

Wossner Forged Piston Kit 55.00mm Bore – Honda CR125 (1990–1991)
This Wossner forged piston kit is specifically designed for Honda CR125 motorcycles from 1990 to 1991. With a 55.00 mm bore and a piston diameter of 54.94 mm, this +1.00 oversise piston is crafted for high-performance 2-stroke engines. Its forged construction enhances structural strength and thermal reliability, while the elliptical design ensures uniform load distribution during operation. Manufactured in Germany to precision standards.

Features

• Forged piston for maximum strength and durability

• Optimised heat transfer from combustion chamber to cylinder walls

• Elliptical design ensures balanced thrust load distribution and reduces localised pressure

• Precision-made in Germany

Specifications

• Bore Size: 55.00 mm

• Piston Diameter: 54.94 mm

• Engine Displacement: 125 cm³

• Stroke: 54.50 mm

• Clearance: 0.06 mm

• Compression Height: 28.00 mm

• Compression Ratio: 2-stroke (Wossner and OEM)

Cross-Reference OEM Part Numbers

• Piston Kit: 8107D100

• Lock: CW15

• Pin: WP032

• Ring Set: RSB5500

• Rod: P2009

Vehicle Fitments

• Honda CR125 (1990–1991)

Majority of our listings are for a direct replacement for your original part.

Our parts are made of quality and are designed to meet or exceed the original OEM Standards.

Our products are often a cost effective alternative to genuine OEM Parts.

Please note: the models of bike we state in our listings are for general guidance only. Please make sure this item will fit your bike before purchasing. Also, we cannot guarantee fitment to any non-UK models.