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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV.



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Unread 11-12-2014, 05:42 PM   #1
Not Yet Wild
 
Join Date: Jul 2012
Posts: 13
Default 87 marathon questions

hey guys i have a 87 marathon it was my grand dads and is worth more to me than a new one! couple of quick questions.

1. is there any way to speed it up other than changing to series and upgrading controller ect.

2.if i was going to upgrade what would be the best order to upgrade as i will have to do it in steps.

it has stock running gear
it has 2 year old interstate batteries that test good
it has a 4" lift with 22x11.5x8 tires
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Unread 11-27-2014, 10:53 AM   #2
Not Yet Wild
 
Join Date: Jul 2012
Posts: 13
Default Re: 87 marathon questions

Come on guys nobody can help? have a few days off and wan't to try something. Thanks
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Unread 11-27-2014, 11:07 AM   #3
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Join Date: Jun 2012
Location: AZ
Posts: 13,334
Default Re: 87 marathon questions

You likely have a "resistor coil" system, not the more modern "solid state motor controller" (you need to verify this, post pics under seat?). This will limit your upgrade options without spending some $$$. You already have a "series" system, cant convert that. You could just change out your 6v batts for 8v batts, that would get you 33% more speed and torque no matter what motor you use (stock motor would be fine). Increasing voltage is the easiest way to get more speed with a "series" system. The drawback to this idea would be the resistor coils would be forced to deal with 33% more heat, which will eventually kill them (so start saving for a controller).
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