2009 Arctic Cat 150 ATV Service Manual, Page 46Get this manual
2Remove the starter motorAccount for two cap screws and one O-ring3Remove nine right-side cap screws and one left-side cap screw securing the crankcase halves together; then using plastic mallet, tap the right-side case from the left-side case leaving all components in the left-side caseAccount for two alignment pins and gasket TR116A
NOTE: For steps 6-9, use photo TR115A
6Remove the shift shaft (A); then remove the shift fork shaft (B) and holding the shift fork away from the shift cam (C), remove the shift cam
4Remove the balancer shaft; then remove the crankshaft assembly and camshaft drive chain