2007-2010 Kawasaki Ultra 250X/260X/260LX PWC Factory Service Manual, Page 528Get this manual
16-76 APPENDIX Troubleshooting Guide
Ignition coil trouble Compression low Spark plug loose Cylinder head not sufficiently tightened down No valve clearance Cylinder, piston worn Piston ring bad (wornweak, brokenor sticking) Piston ringgroove clearance excessive Cylinder head warped Cylinder head gasket damaged Valve spring broken or weak Valve not seating properly (valve bent, wornor carbon accumulation on the seating surface) Hesitation Too low fuel pressure Clogged fuel line Fuel pump trouble Fuel injector trouble Inlet air temperature sensor trouble Throttle sensor trouble Water temperature sensor trouble Inlet air pressure sensor trouble Loose injector connectors Crankshaft sensor trouble Ignition coil trouble Loose terminal of battery (-) lead or engine ground lead Poor acceleration Too low fuel pressure Water or foreign matter in fuel Clogged fuel filter or pump screen Fuel pump trouble Fuel injector trouble Inlet air temperature sensor trouble Water temperature sensor trouble Ignition coil trouble Engine oil level to high Spark plug dirty, broken or gap maladjusted Supercharger malfunction (belt troubleduct leakage) Stumble Too low fuel pressure Fuel injector trouble Throttle sensor malfunction Water temperature sensor trouble Inlet air pressure sensor trouble Surge Unstable fuel pressure Fuel injector trouble Water temperature sensor trouble Backfiring when deceleration Spark plug dirty, broken or gap maladjusted Too low fuel pressure Fuel pump trouble Throttle sensor trouble Inlet air temperature sensor trouble Water temperature sensor trouble Inlet air pressure sensor trouble Air suction valve trouble