2000-2004 Yamaha WaveRunner SUV SV1200 Service Manual, Page 286Get this manual
IGNITION SYSTEM
IGNITION SPARK GAP
WARNING
When checking the spark gap: Do not touch any of the connections of the spark gap tester lead wiresTake special care not to let sparks leak out of the removed spark plug capKeep flammable gas or liquids away since this test can produce sparks1Check: Ignition spark gap Out of specification Check the CDI unit output peak voltageCheck the ignition coil for resistanceSpark gap: mm (0.35 in) Checking steps: Remove the spark plugs from the engineConnect spark plug cap to the spark gap testerSet the spark gap length on the adjusting knob