Wossner Forged Piston Kit 55.00mm Bore – Honda CR125 (1992–1999) / Husqvarna 125cc Models (1997–2013)
This Wossner forged piston kit is designed for Honda CR125 (1992–1999) and Husqvarna 125cc models, including CR, WR, SM, SMS, and WRE, from 1997 to 2013. With a 55.00 mm bore and a piston diameter of 54.95 mm (+1.00 mm oversize), it is suitable for significantly overbored cylinders. Forged in Germany, the piston offers superior strength and thermal performance, with an elliptical design that evenly distributes load to reduce wear and prevent failure.

Features

• Forged construction provides high durability and strength under stress

• Efficient heat transfer design enhances engine cooling

• Elliptical profile ensures even load distribution and reduces piston deformation

• Manufactured in Germany for consistent quality and precision

Specifications

• Bore Size: 55.00 mm

• Piston Diameter: 54.95 mm

• Engine Displacement: 125 cm³

• Stroke: 54.50 mm

• Clearance: 0.05 mm

• Compression Height: 28.00 mm

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

Cross-Reference Wossner Part Numbers

• Piston Kit: 8020D100

• Lock: CW15

• Pin: WP032

• Ring Set: RSB5500

• Rod: P2009

Vehicle Fitments

• Honda CR125 (1992–1999)

• Husqvarna CR 125 (1997–2013)

• Husqvarna WR 125 (1997–2013)

• Husqvarna SM 125 (1997–2013)

• Husqvarna SMS 125 (1997–2013)

• Husqvarna WRE 125 (1997–2013)