Wossner forged piston kit designed for Suzuki RM125 models from 1989 to 1999. This piston features a 54.50mm bore, delivering excellent strength, precise heat transfer, and optimised load distribution. The elliptical design provides a uniform bearing surface, reducing localised stresses during thermal expansion and helping to prevent piston collapse. Manufactured in Germany for high precision and durability.

Features

• Forged construction for enhanced strength and longevity

• Designed for optimal heat transfer from the combustion chamber to cylinder walls

• Elliptical design for even load distribution and minimised localised pressure

• Manufactured in Germany

Specifications

• Bore Size: 54.50mm

• Actual Piston Size: 54.45mm

• Display Capacity: 123 cm³

• Stroke: 54.00mm

• Clearance: 0.05mm

• Compression Ratio (Wossner): 2-stroke

• Compression Ratio (OEM): 2-stroke

• Compression Height: 29.50mm

Cross-Reference OEM Part Numbers

• Piston Kit: 8055D050

• Lock: CW15

• Pin: WP032

• Ring Set: RSB5450

• Additional Part Number: 56-W641.C.WO

Vehicle Fitments

• 1989 Suzuki RM 125

• 1990 Suzuki RM 125

• 1991 Suzuki RM 125

• 1992 Suzuki RM 125

• 1993 Suzuki RM 125

• 1994 Suzuki RM 125

• 1995 Suzuki RM 125

• 1996 Suzuki RM 125

• 1997 Suzuki RM 125

• 1998 Suzuki RM 125

• 1999 Suzuki RM 125