1978 Evinrude Outboards 9.9/15HP Service Repair Manual P/N 5394, Page 29Get this manual
Quality of the image is intentionally reduced!
NOTE If "0" ring is damaged, air will enter fuel line
INLET VALVE
dCLAMPHOSE OUTL! VALVE _ CLAMP
Figure 3-31"0" Ring Tools 3-12
CONNECTING HOUSING ASSEMBLY