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    #16
    Get a battery tender, it will take longer to charge your battery initally but the tender brings your battery up slowly to a full charge and then floats at 20 milliamp to keep your battery in top shape.

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      #17
      I have my gs650 suzuki factory service manual in front of me and I'm reading directly from it and it says ...."Start the engine and keep it running at 5,000rpm with dimmer switch turned in the high position. If the tester reads under 14V or over 15.5, check the AC generator no load performance and regulator/rectifier. (Note: when making this test, be sure the battery is fully charged condition) STD charging output 14-15.5V (DC) at 5,000r/min

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        #18
        I did read a few reviews on battery doctor and battery tender, but something tells me if the battery has been sitting for a year, and the plates have buildup, then I'd need a new battery anyways.

        I do think it's something I will eventually pick up though.

        I charged up the battery to full, and it started perfectly fine. However, the 3rd or 4th time I tried starting the bike, it didn't have enough power to start. So a fairly depleted battery can't be fully charged with the bikes charging system?

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          #19
          When you get your new battery, make sure you initialize it properly.

          Here is the procedure.

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            #20
            I was having trouble with starting a while back, so I check the fluid levels in the battery and they were low, I topped them up with distilled water, went for a good ride and its been fine since. If your battery is sealed then you are out of luck.

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              #21
              Originally posted by Nessism View Post
              You may be right but Suzuki lists 15.5 volts as acceptable for some reason.

              Originally posted by Dave_17954 View Post
              I have my gs650 suzuki factory service manual in front of me and I'm reading directly from it and it says ...."Start the engine and keep it running at 5,000rpm with dimmer switch turned in the high position. If the tester reads under 14V or over 15.5, check the AC generator no load performance and regulator/rectifier. (Note: when making this test, be sure the battery is fully charged condition) STD charging output 14-15.5V (DC) at 5,000r/min
              they make more money selling parts than bikes!!!!!

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