At the begining of the season my starting battery failed. I bought a new battery, charged it to full and installed. Two weeks later battery is drained enough so it will not turn over the boat engine. I did a drain test by disconnecting the negative terminals from the battery and touched one end of the multi meter to a terminal and one to the battery. Not sure what the readings should be but they were either 0 or .o something. I am suspecting the engine charging system. I have a 115 four stroke yamaha. What is a good way to check the charging and what readings coincide with this? Thanks for any info I get here.
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muskieswen
At the begining of the season my starting battery failed. I bought a new battery, charged it to full and installed. Two weeks later battery is drained enough so it will not turn over the boat engine. I did a drain test by disconnecting the negative terminals from the battery and touched one end of the multi meter to a terminal and one to the battery. Not sure what the readings should be but they were either 0 or .o something. I am suspecting the engine charging system. I have a 115 four stroke yamaha. What is a good way to check the charging and what readings coincide with this? Thanks for any info I get here.
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