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)