1997 Johnson Evinrude "EU" 90 thru 115 90 CV Service Manual, P/N 507267, Page 67Get this manual

1997 Johnson Evinrude "EU" 90 thru 115 90 CV Service Manual, P/N 507267, Page 67

'" Install gearcase pressure tester to

This chart determines the condition of the fuel pump portion and air motor portion of the pump
VRoi 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 fittingPump should not clickDid pump click?"C
STOP HEREAir motor housing is cracked or leakingRepair leak or INSTALL MOTOR HOUSING KIT

DIA-I Wait secondsUncover fuel outletPump should clickDid pump click?

Locate external leakREPLACE AIR MOTOR HOUSING OR INTERMEDIATE HOUSING