1996 Johnson Evinrude "ED" 9.9 thru 30 2-Cylinder Service Manual, P/N 507122, Page 20Get this manual
Fuel System FuelOil Ratios Fuel Requirements
See Page 1-20 See Page 1-22 One Single-Throat Carburetor, Float Feed
Carburetion Calibration Initial Low-Speed Setting Starting Enrichment Float Level Setting Float Drop Setting
Adjustable Low Speed, Fixed Intermediate and High Speed