2003-2005 Kawasaki JetSki Ultra-150 Factory Service Manual, Page 235Get this manual
14-34 ELECTRICAL SYSTEM Ignition System WARNING
To avoid extremely high voltage shocks, do not touch the spark plugs or tester connectionsthe Turnstop ignition switch on and push the lanyard key under the buttonPushing the starter button, crank the engine seconds to measure the primary peak voltage
Do not operate the starter for longer than secondsWait
15 seconds before using it againRepeat the measurements or more times for one ignition coilIgnition Coil Primary Peak Voltage 140 or more Standard:
for Repeat the test lessthe other ignition coilsee "Igniter If the reading is than the specified value, Unit Troubleshooting" table to determine whether Igniter is good or no goodCrankshaft Sensor Peak Voltage Check
the Disconnectsparkcrankshaft sensor lead connectorpush Pull all the from the caps [A] fullyplug capsspark the spark plugs and onto the plug cap holder [B]
Be sure the battery is fully charged
Maintain the correct value of compression pressure for