1995-2004 Kawasaki JetSki 750ZXi 900ZXi Factory Service Manual, Page 190Get this manual
'gnition ColInspection Measuring arcing distence:
The most accurate test for dete,rmin'ing the condition of the ligni,tiion is made by measuring distance,.R,emove'the ,ignition' eoit Connect the coil (with the spark pl1ugcap left installed on the spark plug Iead) to the testier, and measure the arcing distance
To ,avoid extreme high vol"lage shocks, do nollouch the,cioillor lead
the distance readinq is less than the specified value, the ignlition coil or spark plug cap is defective
3 Needle A,rcing Dislanc,e Standard:' mm or more
,.To determinew'h!ich part lis ,defective, measure the arcinq distance
again wij,th the park pl1ug caps removed from the ignition coil,
If the a:rc,ing distance is subnormal as before, the trouble iis wi:th the
coil itseU.lf the arcinq distance is now normal, the trouble is
with the spark p,'ug caps
M!e'Bsuringcoil resistance: If the Coil Tester is notavailable, the coil cen be checked for broken or badly shorted winding with hand testerHowever, hand tester
cannot detect layer shorts and