Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-42794--1, Page 67Get this manual
Carburetor Disassembly Remove main jet plug (a) and main jet (b)
Remove inlet needle (a) and seat (b)
Remove float (a) Remove low speed idle screw (b)
Remove float bowl cover (a)
Remove screw plug (a) and idle tube (b) Remove screw plug (c), main nozzle (d) and venturi (e) I