1988 Johnson Evinrude "CC" 9.9 thru 30 Service Manual, P/N 507660, Page 114Get this manual
Intake Manifold Servicing, 20 -30 Removal 1Follow steps listed in Carburetor Removalthis section
2Remove pin
end of throttle control rod
3Remove tie strap
and disconnect oil recirculation hose
4 Remove nuts and screws attaching intake manifold
powerheadRemove intake manifold and gasket
5Remove flat head Phillips screw leaf plate assembly and gasket
and carefully remove
Inspection