PISTON KIT 1988 RM125 54.50 WOSSNER 8138D050 SUZUKI MX

The Wossner 8138D050 piston kit is designed for the 1988 Suzuki RM125, featuring a 54.50 mm bore for +0.50 mm oversize applications. Precision-manufactured in Germany, this forged piston offers superior strength and efficient thermal transfer. Its elliptical design promotes even bearing surface contact under high-temperature expansion, minimising localised pressure and reducing the risk of piston collapse. This kit includes all necessary components for dependable engine rebuilding.

Features

• Forged piston delivers high strength and thermal efficiency

• Enhanced heat transfer from combustion chamber to cylinder walls

• Elliptical profile ensures uniform pressure distribution under heat

• Reduces the likelihood of piston collapse due to thermal stress

• Made in Germany for precision and performance

Specifications

• Bore Size: 54.50 mm

• Actual Bore Diameter: 54.44 mm

• Stroke: 54.00 mm

• Display Displacement: 123 cm³

• Clearance: 0.06 mm

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

• Compression Height: 29.50 mm

Cross-Reference OEM Part Numbers

• 12110-14513

Cross-Reference Wossner Part Numbers

• Piston Kit: 8138D050

• Lock: CW15

• Pin: WP032

• Ring Set: RSB5450

• Rod: P2015

• Part No.: 56-W568+050.WO

Vehicle Fitments

• Suzuki RM125 (1988)

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.