1994 Johnson/Evinrude Outboards 40 thru 55 Service Manual, Page 18Get this manual
Engine Specifications 40RP, 45, and 55 CommOperation
Full Throttle Operating Range Power
4500 to 5500 RPM
40RP40 HP (29,6 kw) 4545HP (33,6 kw) 5555 HP (41,0 kw)
5000 RPM 800 25
Power Rated Idle RPM in Gear Test Propeller Minimum Test RPM Weight
OMC PIN 382861