1992-1998 Kawasaki PWC Jet Ski Service Repair Manual., Page 104Get this manual
PUMP TESTING TO TEST
Install fuel pressure in the fuel line the fuel pump and the carburetorS the engine and allow it to to operating and the the pressure
CAUTION Gasoline wl be flowing in the engine il Therefore, guard area during this testagainst fire by grounding the high-tension leads to prevent possible sparking, which could easily ignite fuel or fuel vaporsA good procedure is ground spark plug leadsDisconnect the fuel line at the carburetorP suitable container over the of the fuel line to discharged fuelCrank the engine and observe the flow of fuel discharged Into the containerIf no fuel is discharged from the hose, check the crankcase vacuum hose connections and the fuel hose for leaksAnother possible problem break or obs tion in the fuel lineIf the fuel is properly, healthy of fuel should pulse from the fuel hoseContinue crankin the engine and ing fuel for 15 pulses to if the of fuel with pulse or maintains amountA in the discharge indicates restriction in the lineIf the fuel line is plugged, the may stopIf the is fuel in the fuel but fuel is discharged while the engine is being cranked, the problem may be in of e