2011 Arctic Cat 366SE ATV Service Manual, Page 10Get this manual
CAUTION Before removing spark plug, be sure to clean the area around the spark plugDirt could enter engine when removing or installing the spark plug
3Install the spark arrester assembly with gasket; then secure with the cap screwsTighten to 48 inlb
Adjust the gap to 0.7-0.8 mm (0.028-0.032 in for proper ignitionUse feeler gauge to check the gap
Adjusting Throttle Cable
ATV0052C
When installing the spark plug, be sure to tighten it securelyA new spark plug should be tightened 12 turn once the washer contacts the cylinder headA used spark plug should be tightened 1814 turn once the washer contacts the cylinder head
To adjust the throttle cable free-play, follow this procedure1Slide the rubber boot away; then loosen the jam nut from the throttle cable adjuster