2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 24Get this manual

2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 24

Spark Plug A light brown insulator indicates that plug is correctA white or dark insulator indicates that the engine may
! 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 Adjust the gap to 0.70.8 mm (0.0280.032 in for proper ignitionUse feeler gauge to check the
gap 2Using suitable brush, clean the carbon deposits from the screen taking care not to damage the screenNOTE: If the screen
or gasket is damaged in any way, it must be replaced 3Install the spark arrester assembly with gasket; then secure with the
three cap screwsTighten to 0.6 kg-m (4.0 ft-lb) ATV0052B When installing the spark plug, be sure to tighten it securelyA