1995 Johnson Evinrude "EO" 90 CV 85 thru 115 Service Manual, P/N 503150, Page 240Get this manual
+ DR4029 DR4030
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 dropr;] 1Connect voltmeter positive lead to battery positive post
Connect voltmeter negative lead to starter solenoid positive terminalTurn key switch to START to crank engineVoltage reading should not exceed 0.3 voltIn Step 2, connect the voltmeter leads only while the engine is cranking, or damage to the voltmeter can occur