
PISTON KIT ROTAX SWM250 75.00, WOSSNER 8290D100
This Wossner forged piston kit with a 75mm nominal bore (actual 74.93mm) is specifically designed for ROTAX SWM250 models from 1979 to 1982. Built for two-stroke engines, it combines advanced metallurgy with precision engineering for enhanced durability and thermal efficiency.
Features
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Forged construction delivers superior strength and resistance to deformation under high stress
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Optimised for efficient heat dissipation from combustion chamber to cylinder walls
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Elliptical skirt profile promotes uniform surface contact and load distribution
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German-made for high precision and quality
Specifications
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Bore Size: 75.00mm (actual 74.93mm)
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Stroke: 57.50 mm
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Clearance: 0.06 mm
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Wossner Compression Ratio: 2 stroke
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OEM Compression Ratio: 2 stroke
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Compression Height: 34.00 mm
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Lock Part Number: CW18
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Pin Part Number: WP033
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Ring Set Part Number: RDC7500
Vehicle Fitments
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ROTAX SWM250 1979–1982