1990 Johnson Evinrude "ES" Colt/Junior thru 8 Service Manual, P/N 507870, Page 21Get this manual
Engine Specifications
4 Deluxe
Operation Full Throttle Operating Range Power Power Rated Idle RPM in Gear 4500 to 5500 RPM 4HP(3kw) 5000 RPM 625 25 RPM OMC PI 390123 5100 RPM
Test Propeller
Minimum Test RPM Weight:
RDH RDHL
50 Ibs(22,7 kg) 52.5 Ibs(23,8 kg)
Powerhead _._ _._ _._ _Displacement Bore Stroke Standard BoreCrankshaft Dimensions: Top Journal Center Journal Bottom Journal Rod Crankpin Piston Diameter, Standard