2009 Polaris Outlaw 450/525 Service Manual, Page 227Get this manual
6-2 Mounting the crankshaft and balancer shaft
Clamp the right case half to the engine work stand Generously oil the roller bearing for the crankshaft and grease the shaft seal ring for the crankshaft Carefully place the crankshaft in the bearing seat
Turn the crankshaft until the mark is in the front and place the balancer shaft in the bearing seatMake sure the mark on the crankshaft lies between the two marks on the balancer shaft