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Yamaha G16 Heating Problems

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Yamaha G16 Heating Problems

Postby mhancock » Mon Nov 07, 2005 5:36 pm

I am sure that this question has been asked much time, and if so, I apologize.

I have a Yamaha G16 that is outfitted with a 6" Jake's lift and larger tires. The cart was purchased in this configuration. We use the cart for crew transportation for our race team and most of the time it is on fairly level ground with the occasional trip around our family property. The problem is the terminals all get extremely hot and the cart will just stop. I have replaced all of the batteries (because one of the terminals actually melted off) as well as upgrading to larger cables and the problem still persists. I have been told that I needed to replace the speed controller, as well as the motor, or possibly adding fans to the stock controller. I was also told that replacing the 4 wheeler gripper style wheels with a smoother tread would also help but I don't wasnt a lifted cart with stock wheels so that is not much of an option. I would sincerely appreciate any help that you could offer as it is very frustrating the way it is now.
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Postby Keyguy » Mon Nov 07, 2005 8:12 pm

mhancock,
Welcome to BU's forum! :D
It sounds like thermal shutdown of the controller. :wink:

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Postby mhancock » Mon Nov 07, 2005 10:04 pm

What do I need to do to fix the problem? Thanks
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Postby Keyguy » Mon Nov 07, 2005 10:08 pm

mhancock wrote:What do I need to do to fix the problem? Thanks

First let some others answer and if that's the general concensus you'll need to upgrade the controller. :?
Is anything heating up since you upgraded cables?
Next time it does it, check the controller also... :wink:

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Jimmy B.
Super 8 Rat Pack Charter member

June COTM.:D
2nd ANNUAL BONANZA CLOCK
"The only stupid question is one not asked."
1996 CC-Gasser-WILD THING
Lift, BearClaw's w/22's
Fender flairs, Diamond rockers
Front brakes
Roll cage
670cc V-Twin, HS gears
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Postby mhancock » Fri Nov 11, 2005 1:12 am

So guys what do you think the problem is? Controller? Motor? Both? Could I mount fans to keep it cool?

Should I just sell it and get a gas model or what? I just need this problem repaired as soon as possible. Thanks for any help you can provide.
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Postby Keyguy » Fri Nov 11, 2005 1:26 am

Seeing as no one else answered....
You could try putting a fan on the controller and see if it stops or changes the frequency of the problem.
If so then I would think that would pin point a thermal shut down condition.
Did you ever recheck for hot connections, controller, etc.? :wink:

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Jimmy B.
Super 8 Rat Pack Charter member

June COTM.:D
2nd ANNUAL BONANZA CLOCK
"The only stupid question is one not asked."
1996 CC-Gasser-WILD THING
Lift, BearClaw's w/22's
Fender flairs, Diamond rockers
Front brakes
Roll cage
670cc V-Twin, HS gears
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Keyguy
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Posts: 4289
Joined: Sat Jun 05, 2004 9:33 pm
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Postby mhancock » Fri Nov 11, 2005 10:43 am

I have used it very little as I don't like for it to leave me to walk like it did when the batteries literally melted before. (I blew my knee out as a kid and had surgeries so I try to do as little rough terrain as possible on foot) I did ride it maybe a 1/4 mile down the road and the cables on the batteries did not even get warm. The cables connecting to the f/r switch were however super hot and could not be touched. The speed control I am assuming is below that and I was unable to reach it because of the heat from the f/r switch. It appears that it may have some type of cover over it and is rectagular shaped. I am asuming that this is the speed controller.

I am not trying to be cheap and have no problem buying a new cotroller if that is what is needed but I am just trying to keep from buying parts that don't seem to fix the problem. I have replaced all the cables as well as the relays and neither of thse things stopped the problem I chose electric for our gold cart because I thought that it would be less maintanence but now I am having second thoughts as to that.
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