PISTON KIT 85-86 RM125 54.50, WOSSNER 8123D050 SUZUKI MX
PISTON KIT 85-86 RM125 54.50, WOSSNER 8123D050 SUZUKI MX
This Wossner forged piston kit features a 54.50mm bore with a +0.50 oversize specification and is intended for Suzuki RM125 models from 1985 to 1986. Manufactured in Germany, the piston is designed with an elliptical profile to provide a uniform bearing surface under thermal expansion. This reduces localised pressure and the risk of piston collapse while promoting efficient heat transfer from the combustion chamber to the cylinder walls.
Features
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Forged piston construction for high structural integrity
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Elliptical design promotes even load distribution during heat expansion
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Optimised heat transfer from combustion chamber to cylinder walls
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Made in Germany
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Includes piston, pin, locks, and ring set
Specifications
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Bore Size: 54.50mm
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Actual Bore: 54.44mm
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Stroke: 54.00mm
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Clearance: 0.06mm
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Compression Ratio (Wossner and OEM): 2-stroke
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Compression Height: 29.50mm
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Displacement: 123 cm³
Cross-Reference OEM Part Numbers
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Piston Kit Part No: 56-W519+050.WO
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Wossner Piston PN: 8123D050
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Lock P/N: CW14
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Pin P/N: WP025
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Ring Set P/N: RSB5450 (x2)
Vehicle Fitments
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Suzuki RM125 (1985–1986)