1998 Johnson Evinrude EC 5 thru 15 HP Four Stroke Service Manual, Page 65Get this manual
[] 4To service fuel pump body, remove pump to carburetor hose Remove screws retaining pump to powerhead[] 5Disassemble pump and inspect components for damage or excess wearReplace components or complete pump if necessary[[] INotel 6When installing supports on each side of diaphragm, be sure convex sides face diaphragm Function Test
Conduct this test with the motor in test tank or on the boatBefore 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 cm) below fuel pump