Another question from a newbie still learning. I have a Yamaha 40hp model C40TLRY with electric start. When the motor is running does it recharge the battery?
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Assuming that everything works like it was designed, absolutely positively it recharges the battery.
Do you have a voltmeter? Before starting the motor measure the battery voltage. If fully charged it will be more or less 12.7 volts or so. Start the motor. Let it run for a minute or so. Check the voltage at the battery again. I suspect that you will see that it is more or less 13.5 thru 14. 5 volts.
Actually, the higher voltage is the output of a device on the motor known as a rectifier/regulator. The higher voltage on the motor will feed current to the battery and is doing, recharge the battery.
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