2004 Arctic Cat ATVs factory service and repair manual, Page 206Get this manual
Center Crankcase Components I NOTE: This procedure cannot be done with the enginetransmission the frameComplete Removing procedures for Top-Side, Left-Side, and Right-Side must precede this procedureI NOTE: For efficiency, it is preferable to remove and disassemble only those components which need to be addressed and to service only those componentsThe technician should use discretion and sound judgment
2Using Crankcase SeparatorICrankshaft Remover (pln 0444-009) and tapping lightly with rubber mallet, separate the crankcase halvesAccount for two alignment pins