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Electric Yamaha Electric Yamaha Golf Cars; G1 through "The Drive" and U-Max Utility Vehicles



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Old 12-22-2009, 12:50 PM   #1
tomcart
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Location: The Villages,Fl.
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Unhappy quick discharge ?

yamaha "drive" had motor replaced due to grinding noise in motor,4.3 motor. now seems to discharge quickly. when i drive it 1 mile the charge gauge drops one eigth of a charge. after going about 2 more miles, it drops an other quarter charge to about one third of a charge used. gauge drop is instant,not gradually. after about 2 more miles gauge drops instantly another one quarter of a charge. all total it now gets about 16 miles to a full charge, used to get 30-35 miles to a full charge. this is a golf cart community with 75 miles of cart paths. cart has new batteries and 4ga. wires.
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Old 12-22-2009, 01:41 PM   #2
golfcarfixer
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Default Re: quick discharge ?

Sounds like you have a bad battery,one that is weaker than the others.
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Old 12-22-2009, 05:00 PM   #3
tomcart
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Default Re: quick discharge ?

Batteries all tested good! 8-6volt,T105_R_300.
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Old 12-22-2009, 05:17 PM   #4
smallblock450sl
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Default Re: quick discharge ?

You have a "The Drive" with 8, 6 volt batteries? The growling noise was the motor and not the transaxle?
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Old 12-22-2009, 05:28 PM   #5
tomcart
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Default Re: quick discharge ?

Correct. The motor was replaced and cart is "whisper" quiet!!!!!!!!!
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Old 12-22-2009, 05:46 PM   #6
smallblock450sl
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Default Re: quick discharge ?

Thanks for the info. Can you post a couple pictures of your cart?
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Old 12-23-2009, 01:44 AM   #7
bayareamtnbiker
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Default Re: quick discharge ?

Hi Tomcart,
When you say it is a 4.3, do you mean not a stock 3.5 motor?
If yes, can you tell us something about performance, top speed, climbing, setup i.e. programmed codes?
Have any parts other than the motor been changed from stock, like the controller?
Thanks
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Old 12-23-2009, 10:33 AM   #8
tomcart
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Default Re: quick discharge ?

4.3 hp GE motor,stock controller. Does about 25 mph, 3500 rpm. 10in. wheels & tires. This quick discharge problem, all of a sudden, has really got me baffeled! It slows down some on hills, but it is still better than a 3.5 hp cart!
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Old 12-23-2009, 10:49 AM   #9
scottyb
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Default Re: quick discharge ?

A bigger motor that climbs hills faster has to burn up more amperage faster than stock in order to do that.....
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Old 12-23-2009, 01:31 PM   #10
tomcart
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Default Re: quick discharge ?

That I understand,but the old 4.3 was going 30-35 miles. Now after the new 4.3 was installed,it only goes about 16 miles. Same 4.3 motor as old one.
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