2005-2009 Kawasaki Brute Force 650/KVF 650 4x4 Service Manual, Page 412Get this manual
ELECTRICAL SYSTEM 17-33 Ignition System
Ignition Coil Inspection
Remove the ignition coil Measure the arcing distance with coil tester [A] to check the condition of the ignition coil [8] Connect the ignition coil (with the spark plug cap left attached at the end of the spark plug lead) to the tester in the manner prescribed by the manufacturer and measure the arcing distanceIgnition Coil Arcing Distance mm or more
To avoid extremely high voltage shocks, do not touch the ignition coil body or leads
Ifthe distance reading is less than the specified value, the ignition coil or spark plug cap is defective To determine which part is defective, measure the arcing distance again with the spark plug cap removed from the ignition coilRemove the cap by turning it counterclockwise If the arcing distance is as before, the trouble is with the ignition coilIf the arcing distance is normal, the trouble is with the spark plug cap If coil tester is not available, the coil can be checked for broken or badly shorted winding with hand testerSpecial ToolHand Tester: 57001-1394