2004 Polaris Freedom, Virage, Genesis and MSX-140 Service Manual., Page 96Get this manual
ENGINECOOLING SYSTEMS Engine Disassembly
24Remove crankcase bolts
25Turn crankcase overUsing softfaced hammer, separate the upper half from lower26Photo depicts crankshaft assembly partsDiscard seals, oring, and bearing retainer clipNOTE: Some engines will be manufactured with crankshafts that feature center guide snap ringAlways verify during disassembly the use of snap ring or notNew crankshafts used as service parts will have snap ring installedSimply remove the snap ring from the crankshaft if the engine you are servicing does not have this feature