1997 Johnson Evinrude "EU" 9.9 thru 30 2-Cylinder Service Manual, P/N 507263, Page 77Get this manual
Carburetor Servicing9.915 Removal
1Avoid accidental starting of engine while servicing; twist and remove all spark plug leads2Move the manual starter as described in Section 7
3Loosen two retaining screws and remove air silencer