2008 Evinrude E-TEC 55MFE Technical Manual, Page 115Get this manual
ELECTRICAL AND IGNITION CHARGING SYSTEM TESTS
CHARGING SYSTEM TESTS
IMPORTANT: An MFE 55 rope start model can
be used to charge an accessory boat battery by installing battery cable, PN 584348, to the existing solenoid on the outboard
Following the manufacturer's directions, connect the variable load tester (carbon pile) across the battery terminalsStevens model LB-85 and Snap-on model MT540D are examples of testers available
WARNING
Excessive battery discharge rates might overheat battery causing electrolyte gassingThis might create an explosive atmosphereAlways work in well ventilated area
12 Charging Circuit
To test the operation of the regulator in the EMM, you must be able to run the outboard continuously at approximately 5000 RPM, such as in test tank or on marine dynamometerThe test consists of monitoring the system's response to partially discharged batteryUse variable load tester to discharge the battery