1990 Johnson Evinrude "ES" 9.9 thru 30 Service Repair Manual, P/N 507871, Page 80Get this manual
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Carburetor Servicing, 9.9-15 Removal 1avoid accidental start-up while servicing engine,twist and removespark plug leads
Remove the choke knob detent and choke knob6 Hold the starter pinio