1977 Evinrude 55 HP Outboards OMC Service Repair Manual P/N 5307, Page 23Get this manual
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Figure 3-8 Intake Manifold Screws
SOLENOID PLUNGER
SOLENOI
SOLENOID
Figure 3-9 Ail' Silencer, Carburetors, Intake Manifold, and Leaf Valves