1993 Johnson Evinrude "ET" 60 degrees LV Service Manual, P/N 508286, Page 60Get this manual
Install gearcase pressure tester to, pulse hose fitting Pump to 15 PSIPump holds pressure?
Hold pump in normal running positionCover fuel outlet; rapidly remove pressure hose from pulse fittingPump should not clickDid pump click?
Slowly pump gearcase testerInspect for escaping air Does pump click several times with each stroke of tester?
PUMP DIA-I Wait secondsUncover fuel outletPump should cl ickDid pump click?
STOP HEREAir motor housing is cracked or leakingRepair leak or INSTALL MOTOR HOUSING KIT
Shaft seal is leaking REPLACE INTERMEDIATE HOUSING Locate external leakREPLACE AIR MOTOR HOUSING OR INTERMEDIATE HOUSING