1968 Evinrude Big Twin, Big Twin Electric, Lark 40 HP Outboards Service Manual, Page 79Get this manual
DESCRIPTION The 40 Electric Start Model electrical systems consist of ignition system, starter system, storage battery, and electric cables and switchesThe 40 electric shift model also includes generator charging system and operator's remote controlsSee Figures 7-1 and 7-2This section will cover the starter system, battery maintenance, and the charging systemElectrical components covered in other sections of this manual include the following: Ignition sy stem Electric shift Remote controls Section Section Section 8
BATTERY SPECIFICATIONS
For best performance, we recommend 12-volt, 60 hour battery, better, with minimum of minutes cold starting capacity at 300 amperes discharge, zero degrees Fahrenheit, and 10 second voltage reading of 7.5 volts
ELECTRICAL SYSTEM in the electrical system is first evidenced failure of the starter to operate, and caused failure of of the components covered in this sectionIf the battery fails to start the motor, the first things to check the condition of the battery, and electrical connections throughout the circuitlarge percentage of electrical circuit as well as component failures caused loose dirty electrical wiring connections, especially in the starter circuitBattery maintenance, and charging system troubleshooting for the 40 electric shift model, covered in this sectionStarter system troubleshooting is included in the Check Chart in Section 2