2001 Arctic Cat ATVs factory service and repair manual, Page 34Get this manual
! CAUTION
Any oil used in place of the recommended oil could cause serious engine damageDo not use oils which contain graphite or molybdenum additivesThese oils can adversely affect clutch operationAlso, not recommended are racing, vegetable, non-detergent, and castor-based oils
9Start the engine (while the ATV is outside on level ground) and allow it to idle for few minutes10Turn the engine off and wait approximately one minuteRecheck the oil level in the engine oil inspection windowThe oil level should be visible through the windowIf oil is not visible, add recommended oil until the oil level is visible between the lines of the windowFig2-59
CH080DA
NOTE: Clean up any excess oil after removing the filter
6Apply oil to the O-rings and check to make sure they are positioned correctly in the cover and crankcase; then with the open end of the filter element directed toward the center of the engine, install the element making sure the spring is between the cover and the elementFig2-58