1976 Evinrude 9.9 HP Service Repair Manual Genuine Models P/N 5188, Page 21Get this manual
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Figure 3-6 Air Silencer Screws (Two) Remove choke knob detentSee Figure 3-7 Disengage choke shaft from choke lever, and remove choke knob and shaft from lower motor cover
Figure 3-7 Choke