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



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Old 12-09-2016, 09:43 PM   #1
Brandon1107
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Default 1979 Marathon Electric Motor Options

First post here. I've been doing a lot of research and have learned a lot.

I've been given a 1979 Marathon electric cart. I am in the process of doing a frame up restore. All 2AWG wires. Complete new harness for small wires. I've ordered a solid state kit from Scotty already 500/400 Thanks for all the help Scotty!

The motor is definitely my weak link, I'm going to try getting by with it for a while but I don't hold out much hope. Current motor tag says 5BC 48 JB 644 B, it's perpendicular to the rear axle mounted directly to the diff, I've been told it's 2 HP. Cart is 36v now but I plan to go 8x6v 48v soon. First question is how do I remove it? PQ has said they can rebuild it if it looks good internally and Scotty has told me he's not aware of an off the shelf upgrade. Is it worth rebuilding or should I do a rear axle swap so I can run a different motor.

Thanks,
Brandon
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Old 12-09-2016, 11:40 PM   #2
crash test dummy
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Default Re: 1979 Marathon Electric Motor Options

i would do the rear swap not only for the motor but the upgrade on the brakes
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Old 12-11-2016, 11:32 AM   #3
Seaquell
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Default Re: 1979 Marathon Electric Motor Options

What is this swap you speek of? is it only to upgrade the older 79 marathon or is that the same rear end,motor that is also on the later 90 era marathons and we can also upgrade to something better.
What's the best rear end that will take a series motor?
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Old 12-11-2016, 07:00 PM   #4
crash test dummy
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Default Re: 1979 Marathon Electric Motor Options

standard 3 leaf rear spring. For E-Z-GO electric 1975-94 pre Medalist




Standard 2 leaf rear spring. For E-Z-GO G&E 1994-09 Medalist/TXT


all 65 to 04 use same bushings
rear shackles are 94 up and 85 to 94 (same length)
89 is when they went to side mount motor
so basically you can swap your rear end for any 89 up ... i would look for 96 up with the newer style brakes
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Old 12-12-2016, 01:18 AM   #5
Brandon1107
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Default Re: 1979 Marathon Electric Motor Options

Well I just order a new brake setup and cables for my current rear end. I think I'd like to make what I've got now work because of the money I've already got in it. I've got emails out to EMP and PQ. If I can't find a good option I guess I'll decide then. Still open for other solutions. I guess if I can find a 96 rear-end and motor for a good price I'd be ahead.
Thanks,
Brandon
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Old 12-12-2016, 06:21 AM   #6
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Default Re: 1979 Marathon Electric Motor Options

MT22-020 - 10 Spline, Performance Upgrade Motor

Part Number: MT22-020

OEM Part Numbers -Replaces the following OEM numbers EZ 13485-G1, 13485G1, 13329-G1, 13329G1, A-14877-G1, 14877-G1, 14877G1, 16584-G1, 16584G1, A-16979-G1, 16979-G1, 16979G1, CO 82850-86, MR/WE/NR 72154, 74294, OEM GE #s 5BC48JB563A, 5BC48JB563B, 5BC48JB563C, 5BC48JB644, 5BC48JB644A, 5BC48JB644B, 5BC48JB645, 5BC48JB645A, 5BC48JB645B, 5BC48JB700, 5BC48JB688, Prestolite MKX 4003

Item Description -

10 Internal Spline, 36 Volt High Performance Motor for 1976 to 1986-1/2 E-Z-GO.......Also 1986 to 1989 Columbia Par Car models E3 and E4.......Also Nordskog HMK Marketeer models 438 and 439 and model 150 Loadster.......Also will replace motor on US Electricar Nordskog Legend models 280 and 282 A series before serial number 280A92HO19.......All with Dana differential with 10 bolt cover.

NOTE Rated 3.5 Horsepower at 3500 RPM, Will increase speed from 12 mph to 18-19 mph, includes motor housing with seal that bolts to differential.

NOTE This is a single shaft motor for carts with brakes on rear wheels.

NOTE This is a special order item. As such it is subject to an incoming freight charge if you wish to pick it up at our warehouse.

NOTE: UPS Shipping ONLY.

Our Price: $637.50

http://www.vintagegolfcartparts.com/Item/EZ_Mtr5
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Old 12-12-2016, 10:15 PM   #7
Brandon1107
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Default Re: 1979 Marathon Electric Motor Options

Thanks CTD!
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Old 03-17-2017, 03:20 PM   #8
BSmith79
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Default Re: 1979 Marathon Electric Motor Options

Hi I also have a 1979 marathon, but mine did no come with a motor. I'm trying to do a ground up restoration. I could not find the correct motor anywhere, if someone could help it'd be greatly appreciated
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Old 03-17-2017, 04:55 PM   #9
crash test dummy
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Default Re: 1979 Marathon Electric Motor Options

the only thing available is an after market one for $637.50

i did see one in a golf junk yard the other day ( 1971)
can you confirm that it is the one that goes in the trans axel front ways

like this



where are you located ?
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Old 03-19-2017, 04:43 AM   #10
BSmith79
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Default Re: 1979 Marathon Electric Motor Options

Yes that is how it goes. If you could link me to anything that would work I'd appreciate it.

Thanks
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