1991 Johnson/Evinrude EI 60 thru 70 outboards Service Manual, Page 239Get this manual
f61 3Connect voltmeter positive lead to starter solenoid, starter lead terminalConnect voltmeter negative lead to starter motor terminalTurn key switch to STARTVoltage reading should not exceed 0.2 voltf71 4Connect voltmeter positive lead to battery negative lead common powerhead ground screwConnect voltmeter negative lead to battery negative postTurn key switch to STARTVoltage reading should not exceed 0.3 volt 56Ceng