1998 Johnson Evinrude "EC" 90, 115 SPL Service Manual, P/N 520209, Page 83Get this manual
Carburetor Inspection Cleaning
INotel Never clean carburetor by submerging or soaking in a
hot tank or carburetor cleanerDo not expose plastic or rubber parts to any carburetor cleaner1Before inspection, all carburetor components must be perfectly clean Carburetor must be completely disassembled Clean parts with OMC Carburetor and Choke Cleaner
Use clean bristle brush to remove gum or varnish deposits
Blow dry with shop air of not more than 25 PSI (172 kPa)When drying passages, direct the flow of shop air opposite to the direction of fuel flowFloat Valve Assembly