2007-2010 Kawasaki Ultra 250X/260X/260LX PWC Factory Service Manual, Page 529Get this manual
APPENDIX 16-77 Troubleshooting Guide After fire Crankshaft sensor trouble Spark plug burned or gap maladjusted Inlet air temperature sensor trouble Water temperature sensor trouble Inlet air pressure sensor trouble Fuel injector trouble Run-on (dieseling) Ignition switch trouble Engine switch trouble Fuel injector trouble Loose terminal of battery (-) lead or ECU ground lead Carbon accumulating on valve seating surface Engine overheating Other IC igniter in ECU trouble Engine oil viscosity too high Air suction valve trouble Engine overheating Intermittent any OFI fault and its recovery
Poor Running or No Power at High Speed
Firing incorrect Spark plug dirty, brokenor maladjusted Ignition coil shorted or not in good contact Ignition coil trouble Spark plug incorrect Spark plug cap trouble Spark plug cap shorted not in good contact Camshaft position trouble IC igniter in ECU trouble Crankshaft sensor trouble Fuelair mixture incorrect Air filter poorly sealed Air filter O-ring damaged Inlet air duct loose Water or foreign matter in fuel Fuel to injector insufficient (OFI) Fuel tank air vent obstructed Fuel line clogged Fuel pump trouble (OFI) Injector clogged Throttle body assy loose Throttle body assy gasket damaged Fuel line clogged Fuel pump operates intermittently Inlet air temperature sensor trouble Throttle sensor trouble Inlet air pressure sensor trouble Compression low Spark plug loose Cylinder head not sufficiently tightened down No valve clearance Cylinder, piston worn Piston ring bad (worn weakbrokenor sticking) Piston ringgroove clearance excessive Cylinder head gasket damaged