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Old 11-16-2009, 11:36 AM   #1
gfgn00
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Question Ele Yamaha bucking at start off

I had a new controler installed about two years ago on an older 36V cart an AX Altrax speed controler. The cart would buck on flat surface, brake off, at take off. They tweeked the controler or something and it worked great until about a month ago. It is bucking again. Reverse works great, smooth take off. I was told the company does not use programable controlers so there must be a screw some where in this controler I can turn to get the desired smooth take off. Or am I looking in the wrong direction. Anyone have any ideas or insight. Thnks
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Old 11-16-2009, 11:41 AM   #2
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Default Re: Ele Yamaha bucking at start off

Make sure that your pedal box throttle mechanism is properly adjusted. I wish I knew the exact name for it, but you'll see what I mean when you get there - We don't get many Yami's in for service, but have had to do some adjusting there on occasion

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Old 11-16-2009, 11:47 AM   #3
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Default Re: Ele Yamaha bucking at start off

It does so well in reverse!?! That is why I'm wondering if it is the cotton pickin' controler. Where is this throttle dohicky located under pedel or under seat?
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Old 11-16-2009, 11:49 AM   #4
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Default Re: Ele Yamaha bucking at start off

At the pedal Most controller carts run 1/2 speed in reverse, so you may not be getting enough juice to notice the problem when backing up...

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Old 11-16-2009, 11:50 AM   #5
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Default Re: Ele Yamaha bucking at start off

Where's my Yamaha buddies when I need them??????

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Old 11-16-2009, 04:18 PM   #6
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Default Re: Ele Yamaha bucking at start off

Sounds like your having a problem with your potentiometer (the pedal position sensor).. It has dirty contacts inside, and is causing this jerky takeoff your discribing.

I believe on the electric yamahas, the pot box is located under the floor boards. the center section around the pedals should lift up

Btw what model of yamaha do you have?
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Old 11-16-2009, 04:36 PM   #7
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Default Re: Ele Yamaha bucking at start off

Its Called A Stop Switch Part#9199 From Nivel,yamaha #j41-82550-02-00.hope This Helps.
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Old 11-16-2009, 04:38 PM   #8
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Default Re: Ele Yamaha bucking at start off

Quote:
Originally Posted by golfcarfixer View Post
Its Called A Stop Switch Part#9199 From Nivel,yamaha #j41-82550-02-00.hope This Helps.

That is not the part he needs.

He needs a throttle sensor. and it varys depending on year of cart.
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Old 11-16-2009, 04:45 PM   #9
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Default Re: Ele Yamaha bucking at start off

It Goes Under The Accelerator Pedal Under The Floor Board,i Just Put One In 2 Weeks Ago.yamaha Just Has A Different Name For It.its On Page 417 In The Nivel Catalog.
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Old 11-16-2009, 04:47 PM   #10
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Default Re: Ele Yamaha bucking at start off

Go to page 430 of the 09 catalogue. look for p/n 9204, 6377, and 13205
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