PISTON KIT 1987 RM125 55.00 WOSSNER 8122D100 SUZUKI MX

This Wossner 55.00mm (+1.00 oversize) forged piston kit is designed for the Suzuki RM125 1987 model. Featuring a forged construction and elliptical profile, the piston provides improved strength, thermal expansion control, and even load distribution. Manufactured in Germany for two-stroke engine applications, it supports efficient heat transfer from the combustion chamber to the cylinder walls under high-performance conditions.

Features

• Forged piston for increased strength and reliability

• Elliptical design maintains uniform bearing surface during heat expansion

• Even thrust load distribution reduces localised pressure and risk of piston collapse

• Optimised for effective heat transfer to cylinder walls

• Manufactured in Germany

Specifications

• Bore: 55.00mm

• Actual diameter: 54.94mm

• Displacement: 123 cm³

• Stroke: 70.00mm

• Clearance: 0.06mm

• Compression height: 37.00mm

• Compression ratio: 2-stroke

Cross-Reference OEM Part Numbers

• Piston Kit Part No.: 56-W557+100.WO

• Wossner Piston Kit No.: 8122D100

• Lock: CW14

• Pin: WP025

• Ring Set: RSB5500 x 2

Vehicle Fitments

• Suzuki RM125 1987

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.