1990 Johnson Evinrude "ES" Colt/Junior thru 8 Service Manual, P/N 507870, Page 17Get this manual
Engine Specifications Johnson UltraTM 4, Evinrude ExcefT 4 Operation Full Throttle Operating Range Power Power Rated Idle RPM in Gear Test Propeller Minimum Test RPM Weight: 4500 to 5500 RPM
5000 RPM 750 25 RPM OMC PI 317738 4400 RPM