PISTON KIT 90-91 CR125 54.50 WOSSNER 8107D050 HONDA MX

Wossner Forged Piston Kit 54.50mm Bore – Honda CR125 (1990–1991)
This Wossner forged piston kit is intended for Honda CR125 models produced between 1990 and 1991. Featuring a 54.50 mm bore and a 54.44 mm piston diameter, this piston is built for durability and thermal efficiency in 2-stroke engines. The forged design improves structural integrity, while the elliptical profile ensures consistent thrust distribution under heat expansion. German manufacturing ensures precision and performance.

Features

• Forged piston construction for enhanced durability

• Designed for efficient combustion chamber heat transfer

• Elliptical geometry minimises localised pressure and balances thrust loads

• Made in Germany

Specifications

• Bore Size: 54.50 mm

• Piston Diameter: 54.44 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: 8107D050

• Lock: CW15

• Pin: WP032

• Ring Set: RSB5450

• 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.