1997 Johnsoon Evinrude "EU" 50 thru 70 3-Cylinder Service Manual, P/N 507266, Page 27Get this manual
80 70 60 50 40 30
Q Engine RPM
Percentage of available horsepower (kw)
Horsepower (kw) curve
Full-throttle operating range
RPM for horsepower (kw) is overloading at W.O.T