1999 "EE" Evinrude 5 thru 15 4-Stroke Service Manual, P/N 787022, Page 18Get this manual
Engine Specifications56 Operation Full Throttle Operating Range Power Power Rated Idle RPM in Gear Test Propeller Minimum Test RPM Weight
5500 to 6500 RPMHP (3,7 kw)HP (4,5 kw) 6000 RPM 1200 50
OMC PI 444508
5R4; 6R468 Ibs(31 kg) 5RL4; 6RL471.5 Ibs(33 kg) Powerhead _Four-Stroke, In-line 1-Cylinder, OHC 7.8 cuin (128cc) 2.22 in(56,6 mm) 2.01 in(51,0 mm)
Type Displacement Bore Stroke Standard Bore