1991 Johnson/Evinrude Models "EI" 40 thru 55 Service Manual, Page 16Get this manual
Engine Specifications 40 Comm Operation _
Full Throttle Operating Range Power Power Rated Idle RPM in Gear Test Propeller Minimum Test RPM Weight
4500 to 5500 RPM 40 HP (29,8 kw) 5000 RPM 750 25
OMC PI 432968
RS180 Ibs(81,1 kg) RSL185 Ibs(84 kg) RSY188 Ibs(86 kg)
Powerhead ._