1993 Johnson Evinrude "ET" 60 thru 70 Service Manual, P/N 508284, Page 27Get this manual
100 90 80 70 60 50 40 30
Percentage of available horsepower (kw)
Engine RPM Horsepower (kw) curve
Full throttle operating range
Rating RPM for horsepower (kw) Engine is overloading at W.O.T Engine is overspeeding at W.O.T