2008 Arctic Cat 366 ATV Service Manual, Page 17Get this manual

2008 Arctic Cat 366 ATV Service Manual, Page 17

13Remove the oil level stick; the engine oil level should be above the illustrated "L" mark but not higher than the illustrated
holeInstall the oil level stickfiller plug 14Inspect the area around the drain plug and oil filter for leaks15Install the
left-side engine cover and the seatSTRAINER 1Remove the belly panel2Remove the cap screws securing the oil strainer cap;
then remove the capAccount for the O-ring ! 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 minute11Remove the oil
level stick and wipe it with clean cloth12Install the oil level into engine caseNOTE: The oil level stick should be threaded