This Wossner forged piston kit is designed as a +0.50mm oversize replacement for Suzuki 185cc two-stroke engines. Ideal for vintage TS, TC, and DS models, it offers exceptional strength and thermal efficiency, making it suitable for engine rebuilds requiring slightly larger bore dimensions.

Features

• Forged piston design for superior strength and durability

• Elliptical profile ensures even bearing surface during thermal expansion

• Optimised heat transfer from combustion chamber to cylinder walls

• Helps prevent localised stress and piston collapse under load

• Manufactured in Germany

Specifications

• Bore Size: 64.50mm

• Actual Piston Size: 64.43mm

• Display Displacement: 185 cm³

• Stroke: 57.00mm

• Piston Clearance: 0.07mm

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

• Compression Height: 32.00mm

• Circlip Part Number: CW16

• Pin Part Number: WP027

• Ring Set Part Number: RSB6450 x 2

Cross-Reference OEM Part Numbers

• Part No: 56-W922_050.WO

Vehicle Fitments

• Suzuki TS185 (1974–1977)

• Suzuki TC185 (1971–1981)

• Suzuki DS185 (1978–1980)