1995-1997 Kawasaki 750ZXi-900ZXi Jet Ski Repair Manual., Page 182Get this manual
13-28 ELECTRICAL SYSTEM
Ignition Coil Inspection
Measuring arcing distance: The most accurate test for determining the condition of the ignition coil is made by measuring distance Remov the ignition coilConnec the ignition coil (with the spark plug cap left installed on the spark plug lead) to the tester, and measure the arcing distance
1 To avoid extremely high voltage shocks, do not touch the coil or lead1
If the distance reading is less than the specified value, the ignition coil of spark plug cap is defective3 Needle Arcing Distance mm or more Standard: