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)