1991 Johnson/Evinrude Models "EI" 40 thru 55 Service Manual, Page 18Get this manual
Engine Specifications 45 and 55 CommOperation Full Throttle Operating Range Power Power Rated Idle RPM in Gear Test Propeller Minimum Test RPM Weight 4500 to 5500 RPM 4545 HP (33,6 kw) 5555 HP (39,5 kw) 5000 RPM 725 25
OMC PIN 382861
R -184Ibs(83,4 kg) -191 Ibs(86,6 kg)202 Ibs(91,6 kg) Powerhead _
Type Displacement Bore Stroke Standard BoreCrankshaft Dimensions: Top Journal Center Journal Bottom Journal Rod Crankpin Piston Diameter, Standard Piston Ring End Gap, Both Piston Ring Groove Side Clearance, Lower