1995 Johnson/Evinrude Outboards 9.9, 15 four-stroke Service Manual, Page 55Get this manual
4To service fuel pump body, remove pump to carburetor hose Remove screws retaining pump to powerhead
rn 5Disassemble pump and inspect components for if necesdamage or excess wearReplace components or complete pump
INotel 6When installing supports on each side of diaphragm, be sure convex sides face diaphragmFunction Test Conduct this test with the motor in test tank or on the boat
Before testing, loosen fuel tank gas cap momentarily to release any pressure that may have built upFuel tank must not be more than 30 in(76 em) below fuel pump[] 1Remove carburetor to fuel pump hoseConnect fuel pressure gauge (obtain locally) between the carburetor and fuel pump2Start motor and observe gaugePump pressures should read as follows: