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PISTON KIT ROTAX SWM250 74.00, WOSSNER 8290DA

PISTON KIT ROTAX SWM250 74.00, WOSSNER 8290DA

£122.39 GBP
Taxes included.

This Wossner forged piston kit features a 74mm nominal bore (actual 73.93mm) and is designed for ROTAX SWM250 models from 1979 to 1982. Engineered for two-stroke applications, it offers enhanced durability and thermal efficiency for high-performance engines.

Features

  • Forged construction provides superior strength and reliability

  • Designed for optimal heat dissipation from the combustion chamber to cylinder walls

  • Elliptical shape ensures balanced bearing pressure and effective thrust load management

  • Manufactured in Germany with high precision and quality control

Specifications

  • Bore Size: 74mm (actual 73.93mm)

  • Stroke: 57.50 mm

  • Clearance: 0.06 mm

  • Wossner Compression Ratio: 2 stroke

  • OEM Compression Ratio: 2 stroke

  • Compression Height: 34.00 mm

  • Lock Part Number: CW18

  • Pin Part Number: WP033

  • Ring Set Part Number: RSB7400 x 2

Vehicle Fitments

  • ROTAX SWM250 1979–1982