Piston Kit 1987 RM125 54.50, Wossner 8122D050 Suzuki MX 12110-01B38-0F0

This Wossner 54.50mm (+0.50 oversize) forged piston kit is designed for the Suzuki RM125 1987 model. Built for two-stroke engine performance, the piston features a forged design and elliptical profile to manage heat expansion and mechanical stress effectively. Manufactured in Germany, it ensures efficient heat transfer and even thrust load distribution to support engine durability under high operating conditions.

Features

• Forged piston for enhanced strength and durability

• Elliptical design provides uniform bearing surface under thermal expansion

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

• Optimised for combustion heat transfer to the cylinder walls

• Manufactured in Germany

Specifications

• Bore: 54.50mm

• Actual diameter: 54.44mm

• 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+050.WO

• Wossner Piston Kit No.: 8122D050

• Lock: CW14

• Pin: WP025

• Ring Set: RSB5450 x 2

• OEM Reference: 12110-01B38-0F0

Vehicle Fitments

• Suzuki RM125 1987