1996 Johnson Evinrude "ED" 90 LV 125C, 130, 200, 225, 250 Service Manual, P/N 507128, Page 84Get this manual
Testing Fuel System Purpose The following procedure is designed to help you isolate defective component in the boat or engine fuel systemThe problem might cause loss of engine performance or, if left unrepaired, might cause serious powerhead damageAfter you have isolated the component, refer to Servicing, this section, for specific repair proceduresTesting Procedure
"'" Avoid accidental starting of engine while changing propellers; twist and remove all spark plug leads
INotel Some checks require that the engine be run at full throttle
under loadInstall the correct test propeller and run the engine in suitable test tank1Start engine and allow it to reach normal operating temperaturePush fuel hose off fuel fittingsdon't pullIf pushing won't separate hose and fitting, carefully cut the hose along its side and peel it back to avoid damaging the fittings
rv and inOMC Vacuumclear vinylPIN 390954the fuel equivalent, 2Install Gauge,or (20,3 cm) of hose at inlet fitting