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Gas Yamaha Gas Yamaha Golf Cars; G1 through "The Drive" and U-Max Utility Vehicles |
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12-11-2022, 11:17 AM | #1 |
Not Yet Wild
Join Date: Sep 2021
Posts: 7
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86 Yamaha G2 battery
Hi, I have been having issues keeping the battery on my 86 G2 charged. I have replaced the starter/generator, twice, and the voltage regulator. It will still die within a few days if not trickle charged when not in use. My next step is to replace the battery, I am not even sure it has the correct one. What battery should my cart have?
Thanks in advance. Mike |
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12-11-2022, 12:45 PM | #2 |
Searching for The Way
Join Date: Oct 2009
Location: Medina, Ohio (NEOHIO)
Posts: 11,421
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Re: 86 Yamaha G2 battery
If you have an automotive type battery with 500cca that should be plenty. A smaller battery could even be used, but I like the larger car batteries.
If your cart is going dead while sitting and turned off, it's likely you have a parasitic draw. Look up "Parasitic Draw Test" on YouTube and you'll find all kinds of videos on how to test for that. Once you determine that you have a parasitic draw, the way you track it down is you start disconnecting one wire at a time on the cart. Once you find the correct wire the voltage on your meter will drop, again see videos. |
12-11-2022, 12:49 PM | #3 |
Nincompoop village idiot
Join Date: Apr 2018
Location: Michigan
Posts: 9,625
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Re: 86 Yamaha G2 battery
What is the battery voltage when it is running about half throttle?
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