2003-2005 Kawasaki Ultra-150 Jet Ski Factory Service Manual., Page 280Get this manual
16-14 APPENDIX Troubleshooting
Starting difficulty or failure to start Ignition System Ignition Spark Present
No Spark
F fu Lack of compression Faulty or fouled spark plug Faulty plug wire insulation Faulty CDI igniter Faulty ignition coil Faulty magneto Battery voltage low
Fuel System (check that fuel tank contains fuel) Outside Carburetor
Inside Carburetor