1997 "EU" Johnson Evinrude 5 thru 15 Four Stroke Service Manual, P/N 507262, Page 71Get this manual
Carburetor Cleaning and InspectionAll Models Cleaning
INotel Never clean carburetor by submerging or soaking it 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