1997 Johnson Evinrude "EU" 90, 105RW, 115, 150, 150W, 175 60 LV Service Manual, P/N 507268, Page 74Get this manual

1997 Johnson Evinrude "EU" 90, 105RW, 115, 150, 150W, 175 60 LV Service Manual, P/N 507268, Page 74

This chart determines the condition of the fuel pump portion and air motor portion of the pumpInstall gearcase pressure tester to VRol pulse hose fittingPump to 15 PSIPump holds pressure? Slowly pump gearcase testerInspect for escaping air Does pump click several times with each stroke of tester?

Hold pump in normal running positionCover fuel outlet; rapidly remove pressure hose from pulse fitting Pump should not clickDid pump click?

DIA-I Wait secondsUncover fuel outletPump should clickDid pump click? STOP HEREAir motor housing is cracked or leakingRepair leak or INSTALL MOTOR HOUSING KIT

Locate external leakREPLACE AIR MOTOR HOUSING OR INTERMEDIATE HOUSING
Shaft seal is leakingREPLACE INTERMEDIATE HOUSING