1999 "EE" Evinrude 5 thru 15 4-Stroke Service Manual, P/N 787022, Page 61Get this manual
Description of Fuel SystemAll Models
1The fuel pump is of the diaphragmdisplacement type and is operated by cam lobe
III [[] Mixture enrichment for cold starting is controlled
by either choke
2The carburetor meters and distributes the fuel consumedIt controls engine speed and power output by varying the intake charge densityTo react correctly to wide range of operating conditions, the carburetor has mUltiple fuel mixing circuits
primer solenoid
Fuel Pump Servicing9.915 (305cc)
Before replacing suspect fuel pump, remove and clean the fuel filter and install new filter elementAlso, remove the fuel hose from the fuel tank and blow through all passages and hoses with low-pressure compressed air to be sure they are openThis might be the cause of inadequate fuel deliveryIf this procedure does not correct the trouble, test the fuel pump