1999 Evinrude "EE" Electric Outboards Service Manual, P/N 787021, Page 111Get this manual
No Load Test
1Connect motor without propeller in the test circuit shown and note the amperage and voltage readings2Use vibration or mechanical tachometer to measure the motor RPM
I Note Do not run motor out of water any longer than is necessary to take reading
3Compare the values to the chart below
No Load Test Model
RPM 12-VoltExcept HBF2 12-Volt HBF2 AMPS (Max VOLTS (Min 10.5 10.5 10.5 22 22
2000-2175 1500-1800
12-Volt High-Thrust 24-Volt
1600-1800 2475-2600
24-Volt High -Thrust
1615-1785