1992 Johnson Evinrude "EN" 60 deg Loop V Service Manual, P/N 508146, Page 233Get this manual
Starter System Voltage Drop Test By making systematic check of the starter system, any component or electrical connection having excessive resistance can be located
i and remove all spark plug leads
'" Avoid accidental starting of engine while servicing; twist
Clean and retighten, or replace, any connection, cable, or component having greater than specified voltage drop["':;1 1Connect voltmeter positive lead to battery positive postConnect voltmeter negative lead to starter solenoid positive terminalTurn key switch to START to crank engineVoltage reading should not exceed 0.3 volt
In Step 2, connect the voltmeter leads only while the engine is cranking, or damage to the voltmeter can occur2Connect voltmeter negative lead to the starter side of the