1994 Johnson/Evinrude "ER" 2 thru 8 outboards Service Manual, Page 18Get this manual
Engine Specifications Deluxe Operation
Full Throttle Operating Range Power Power Rated Idle RPM in Gear Test Propeller Minimum Test RPM Weight 4500 to 5500 RPM HP (3 kw) 5000 RPM 625 25 OMC PIN 390123 5100
RDH50 Ibs(23 kg) RDHL53 Ibs(24 kg)
Powerhead _
Type Displacement Bore Stroke Standard Bore In-line 2-Cylinder 5.28 cuin(87 cm1.565 in(39,7 mm) 1.375 in(34,93 mm)