2003 2005 YFM45FAR, YFM450FAR Kodiak OEM Service Manual, Page 342Get this manual
IGNITION SYSTEM Spark plug gap: 0.60.7 mm (0.0240.028 in) CORRECT For CDN 4.Ignition spark gap
INCORRECT
Repair or replace the spark plug
Disconnect the spark plug cap from the spark plugConnect the dynamic spark tester as shownTurn the main switch to "ON"Check the ignition spark gapCrank the engine by pushing the starter switch, and increase the spark gap until misfiring occursMinimum spark gap: 6.0 mm (0.24 in)
2 Spark plug cap Spark plug
MEETS SPECIFICATION