1995 Johnson/Evinrude Outboards 40 thru 55 2-Cylinder Service Manual, Page 14Get this manual
Engine Specifications
250,40,48,50
Operation
Full Throttle Operating Range Power 4500 to 5500 RPM
25025 HP (18,4 kw) 4040 HP (29,8 kw) 4848 HP (35,8 kw) 5050 HP (37,0 kw)
5000 RPM 800 25
Power Rated Idle RPM in Gear Test Propeller Minimum Test RPM
250OMC PIN 433638 40 thru 50OMC PIN 432968 2505000 404900 48,505200
R,E,TE-180 Ibs81,1 kg) RL, EL, TL, TEL185 Ibs(84,0 kg)
Powerhead _