2008 Arctic Cat ATVs factory service and repair manual, Page 266Get this manual
5 Install the 2nd drive gear and washer onto the countershaft
INOTE: The countershaft is now completely assembled for installation
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
Assembling Crankcase Half
iNOTE: For ease of assembly, install components on the left-side crankcase halfINOTE: If the output shaft and gear were removed, make sure that the proper shim is installed