2006 Arctic Cat ATVs factory service and repair manual, Page 285Get this manual
2Apply liberal amount of engine oil to the crankshaft bearingUsing propane torch, heat the bearing until the oil begins to smoke; then slide the crankshaft assembly into place 4With the key in position, slide the driven gear onto the crank balancer making sure the timing marks are aligned
5Place the bearing C-ring into position in the crankcase; then install the front output shaft and rear shaft assembliesThe bearing pins must be positioned into the crankcase correctly or damage to the crankcase may occur1 NOTE: If heating the bearing is not possible, the crankshaft can be installed using crankshaft installing tool