48v Yamaha

tbortiz03 · 06-22-2015, 08:45 AM

I replaced a NEW battery b/c the battery cable to it burned a hole thru the old battery and I replaced the battery cable to it. Now, IT HAS HAPPENED AGAIN on a different but NEW battery, it was smoking and the battery cable burned a hole in this NEW battery. What could the problem? Possible small gauge battery cables on cart? I bought the cart used from a dealer, the batteries had to be changed, old, so I replaced all 8 batteries new, this is getting expensive, I have to buy another new battery. Any help is appreciated, thank you.

Tony

camaroluvz28 · 06-22-2015, 08:49 AM

Hi Tbort, The most common causes for this problem are loose connections on the battery nuts, make sure they are all good and tight. Also if the cart is lifted you may want to upgrade to 4 gauge wiring instead of the stock 6 gauge. The dealer should also inform you that the battery manufacturer can repair a burnt battery terminal instead of having to replace the new battery. Hope this helps. ;)

cgtech · 06-22-2015, 09:59 AM

Cables with poor connection inside the cable end will also do this.

Volt_Ampere · 06-22-2015, 01:43 PM

There is only one reason for this failure: Bad connection at that battery that is damaged. IT can be a poor connection due to corrosion of the cable connector or loose nut or it can be a corroded clamp connection where the connector is attached to the cable. I would replace the cables and clean the connections. Be careful tightening the nuts because it is easy to over do it. The studs are in Lead which is very soft. Get the torque specs and use a torque wrench!

tbortiz03 · 01-14-2016, 08:06 AM

My Yamaha 48v golf cart brakes stick, I have to manually pull up the pedal, I have lubed the pedal but no result. Any help?

cgtech · 01-14-2016, 09:36 AM

There is a pedal spring that needs replaced, it probably rusted through. The spring coils around the pivot point.

tbortiz03 · 01-18-2016, 07:17 PM

Can you please show a simple visual diagram and a step by step procedure, thank u

smallblock450sl · 01-18-2016, 07:38 PM

What model of 48v Yamaha do you have?

cgtech · 01-18-2016, 11:40 PM

Part #39 is the spring (90508-40007-00), common for all models G1-G28 (not Drive 2007&newer), part # 40 (pivot bolt) will be removed. Easiest if you disconnect brake clevis first (#49).

tbortiz03 · 01-20-2016, 11:29 AM

Quote:

Originally Posted by smallblock450sl

What model of 48v Yamaha do you have?

it is a 2001 yamaha g19e, i can't see where any springs are off, but again i don't know where all the springs should be. There was one very small spring off but i put it back on and still same problem, brake pedal does not come up all the way, i have to pull it up part way? Thanks to y'all

06-22-2015, 08:45 AM	#1
tbortiz03 Not Yet Wild Join Date: Jun 2012 Posts: 6	48v Yamaha I replaced a NEW battery b/c the battery cable to it burned a hole thru the old battery and I replaced the battery cable to it. Now, IT HAS HAPPENED AGAIN on a different but NEW battery, it was smoking and the battery cable burned a hole in this NEW battery. What could the problem? Possible small gauge battery cables on cart? I bought the cart used from a dealer, the batteries had to be changed, old, so I replaced all 8 batteries new, this is getting expensive, I have to buy another new battery. Any help is appreciated, thank you. Tony
tbortiz03 Not Yet Wild Join Date: Jun 2012 Posts: 6

06-22-2015, 08:49 AM	#2
camaroluvz28 Gone Wild Join Date: Sep 2010 Location: Florida Posts: 1,895	Re: 48v Yamaha Hi Tbort, The most common causes for this problem are loose connections on the battery nuts, make sure they are all good and tight. Also if the cart is lifted you may want to upgrade to 4 gauge wiring instead of the stock 6 gauge. The dealer should also inform you that the battery manufacturer can repair a burnt battery terminal instead of having to replace the new battery. Hope this helps. ;)

01-14-2016, 08:06 AM	#5
tbortiz03 Not Yet Wild Join Date: Jun 2012 Posts: 6	Re: 48v Yamaha My Yamaha 48v golf cart brakes stick, I have to manually pull up the pedal, I have lubed the pedal but no result. Any help?
tbortiz03 Not Yet Wild Join Date: Jun 2012 Posts: 6

01-14-2016, 09:36 AM	#6
cgtech Over This Interview Is... Join Date: Jun 2012 Location: AZ Posts: 17,449	Re: 48v Yamaha There is a pedal spring that needs replaced, it probably rusted through. The spring coils around the pivot point.

01-18-2016, 07:17 PM	#7
tbortiz03 Not Yet Wild Join Date: Jun 2012 Posts: 6	Re: 48v Yamaha Can you please show a simple visual diagram and a step by step procedure, thank u
tbortiz03 Not Yet Wild Join Date: Jun 2012 Posts: 6

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06-22-2015, 09:59 AM	#3
cgtech Over This Interview Is... Join Date: Jun 2012 Location: AZ Posts: 17,449	Re: 48v Yamaha Cables with poor connection inside the cable end will also do this.

06-22-2015, 01:43 PM	#4
Volt_Ampere Gone Wild Join Date: May 2012 Location: Rio Verde, Az Posts: 7,183	Re: 48v Yamaha There is only one reason for this failure: Bad connection at that battery that is damaged. IT can be a poor connection due to corrosion of the cable connector or loose nut or it can be a corroded clamp connection where the connector is attached to the cable. I would replace the cables and clean the connections. Be careful tightening the nuts because it is easy to over do it. The studs are in Lead which is very soft. Get the torque specs and use a torque wrench!

01-18-2016, 07:38 PM	#8
smallblock450sl Sometime's............ Join Date: Oct 2007 Location: Tacoma Washington Posts: 11,875	Re: 48v Yamaha What model of 48v Yamaha do you have?

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