2006 Arctic Cat Y-6/Y-12 50cc and 90cc Service Manual, Page 23Get this manual
Removing EngineTransmission 1Remove the seat, front and rear fenders, and left and right floor panels2Remove the negative cable from the battery; then remove the positive cableRemove the batteryCD634A
! WARNING
Battery acid is harmful if it contacts eyes, skin, or clothingCare must be taken whenever handling battery
5Remove the engine ground wire from the starter motor
3Drain the transmission oilNOTE: The drain plug is an mm cap screw with copper washer located at the left-rear of the transmission
6Remove the two cap screws securing the gas tank; then remove the gas tankTilt the gas tank to drain the gasoline into an appropriate container; then set it aside making sure it is properly sealed