1997 Johnson Evinrude "EU" Electric Outboards Service Manual, P/N 507260, Page 134Get this manual
Test circuit must contain ft(3 m) of 14 gauge wire Test circuit must contain ft11,5 m) of 14 gauge wire
12-Volt Motors
24-Volt Motors
Motor Speed TestAll Models
1For this test, leave the battery cables connected, install propeller, and submerge the motor in waterA propeller must be installed to properly load motor for test
m 2Connect aandtothe RED battery cablethe battery 50-amp ammeter between terminal positive
3Standard 12-Volt and 1224-Volt ModelsSet selector switch to "24 V" position1224-Volt modelsTurn speed control switch to each positionNote ammeter reading and motor speed at each position The ammeter reading should be different, and the motor speed should be different at each position