PISTON KIT 89-99 RM125 54.50 WOSSNER 8055D050 SUZUKI MX

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

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.