1990 Johnson Evinrude "ES" 9.9 thru 30 Service Manual, P/N 507871, Page 19Get this manual
Engine Specifications 20 thru 30 Operation Full Throttle Operating Range 20, 25, 284500 to 5500 RPM 25 Comm- 4000 to 5000 RPM 305200 to 5800 RPM 20 25 28 30202528 -.30 HP (14,9 HP (18,7 HP (20,0 HP (22,4 kw) kw) kw) kw)
Power Rated Idle RPM in Gear Test Propeller
20, 25, 285000 RPM 305500 RPM 675 25 RPM 20OMC PIN 386891 25, 30OMC PIN 394145 25 Comm- OMC PIN 396561 28OMC PIN 398948 204550 RPM 25, 284800 RPM 25 Comm- 4200 RPM 305400 RPM 114 Ibs(51,8 kg) Long ShaftAdd Ibs(0,9 kg) 120 Ibs(54,5 kg) Long ShaftAdd Ibs(0,9 kg) 118 Ibs(53,6 kg) Long ShaftAdd Ibs(0,9 kg)
Minimum Test RPM