WOSSNER PISTON KIT ROTAX SWM250 75.00, WOSSNER 8290D100

Piston KIT 75mm BORE 74.93 Wossner 8290D100 (+1mm) ROTAX
SWM250 1979 - 1982
Wossner forged pistons are superior in strength and design. Engineered to provide the best possible path for combustion chamber heat transfer to cylinder walls. Elliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse. Made in Germany. PART NO. 56-W970+100.WO (ORO2U.COM)
ROTAX SWM250,
WOSSNER PISTON KIT ROTAX SWM250 74.93mm
CLIP P/N CW18
PIN P/N WP033
RING P/N RDC7500
(WOSSNER PN# 8290D100) Display (cm3) 247
Hub stroke (mm) 57.50
Clearance (mm) 0.06
Wossner compression Ratio: 2 stroke
OEM Compression ratio: 2 stroke
Dome volume (cm3) -
Compression height (mm) 34.00
Theorectical weight (G)