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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)