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



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Old 07-21-2019, 02:05 PM   #1
jonzeman
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Join Date: Jun 2015
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Default 83 G1 Source Coil

Hi folks! I bought an 83 G1 a few weeks ago that I thought was a pretty good deal, the previous owner said he rode it once, and it died on him. It has a new battery, turns over great in forward and reverse, and has 120 lbs of compression, thought it wouldn't be a big deal to figer this one out. Did all the checks for the wiring, everything came out good except for the brown lead at the CDI. Got the flywheel off today, and a small screw got sucked into the magnets, tore the source coil up pretty good, luckily the pulsar coil is ok. I've been looking all over for one, haven't seen one out there. The OE # is 8G8-85511-20-00. Does anybody know of a used one around, or where I could find one? Or can I use one from another type of motor? Any help is greatly appreciated. Thanks in advance!
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Old 07-22-2019, 07:32 PM   #2
mikeasis
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Yamaha
 
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Location: venice
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Default Re: 83 G1 Source Coil

discontinued. read this
http://www.buggiesgonewild.com/gas-y...ulse-coil.html

and this
http://www.buggiesgonewild.com/gas-y...suspected.html
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Old 07-22-2019, 07:35 PM   #3
mikeasis
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Yamaha
 
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Default Re: 83 G1 Source Coil

Quote:
Originally Posted by jonzeman View Post
Hi folks! I bought an 83 G1 a few weeks ago that I thought was a pretty good deal, the previous owner said he rode it once, and it died on him. It has a new battery, turns over great in forward and reverse, and has 120 lbs of compression, thought it wouldn't be a big deal to figer this one out. Did all the checks for the wiring, everything came out good except for the brown lead at the CDI. Got the flywheel off today, and a small screw got sucked into the magnets, tore the source coil up pretty good, luckily the pulsar coil is ok. I've been looking all over for one, haven't seen one out there. The OE # is 8G8-85511-20-00. Does anybody know of a used one around, or where I could find one? Or can I use one from another type of motor? Any help is greatly appreciated. Thanks in advance!
they can be rewound if not damaged to bad
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Old 07-24-2019, 06:49 PM   #4
jonzeman
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Default Re: 83 G1 Source Coil

Thanks Mikeasis, that's kinda what I did. Need the other coil, but nice to know if that ever needs replaced. I found a complete flywheel, coil, backplate on ebay for under $50, it for a 1983 Enticer snowmobile. Checked the OEM part numbers and they were the same, except the prefix they used. I will have them in a couple days and let you know whether they work, or I wasted my $50. Haha! Worst case scenario, I put them back on ebay and get my money back. Thanks for the link!
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Old 07-25-2019, 03:54 PM   #5
mikeasis
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Default Re: 83 G1 Source Coil

Quote:
Originally Posted by jonzeman View Post
Thanks Mikeasis, that's kinda what I did. Need the other coil, but nice to know if that ever needs replaced. I found a complete flywheel, coil, backplate on ebay for under $50, it for a 1983 Enticer snowmobile. Checked the OEM part numbers and they were the same, except the prefix they used. I will have them in a couple days and let you know whether they work, or I wasted my $50. Haha! Worst case scenario, I put them back on ebay and get my money back. Thanks for the link!
not going to be the same part. coil plate maybe the same and you probably could make the source coil work if you undo the ground and run it back to the cdi for reverse like in one of the links I posted.

I think the enticer is like the bravo, probably 4 magnets on the flywheel instead of 3 like the G1 and an extra coil for lighting.
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Old 07-25-2019, 04:58 PM   #6
jonzeman
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Default Re: 83 G1 Source Coil

Yes that is absolutely correct! Thanks for the info, will try that. Hope to have it tomorrow.
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Old 07-27-2019, 10:59 AM   #7
jonzeman
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Default Re: 83 G1 Source Coil

I got the assembly yesterday, the source coil will mount on the golf cart, but it's only about 1/2 the width of the original. I ohm'd it out, and I'm getting about 650, instead of the 350 it recommends. I don't see any way to unhook the ground side of the coil to hook it up like the one you posted earlier. I guess I'm gonna have to send it off to get rewound, I seen an address somewhere, anybody got any preferences?
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Old 08-27-2019, 05:50 PM   #8
jonzeman
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Default Re: 83 G1 Source Coil

I'm baaack! Found a new source coil.. OEM, pricey little bugger! Installed that, checked the ohms.. perfect! re-checked the pulsar coil, I'm getting 16 ohms from that, should be pretty darned close, still can't get a spark! Tried a couple coils, the cheap cdi fix, and nothing will spark! One thing I noticed in the manual that kinda has me wondering, it says "check continuity of either wire to ground. There should be no circuit" for both coils, and this has me puzzled, because the black wire is ground, and its screwed directly to the plate the coils are mounted on. Here's the readings I'm getting from the wires - w/r-5 w/g-19 Br-350 Bl-1.6 (all ohms) measured directly to the neg battery terminal. Sorry for the long post, but I can't figure out why I can't get a spark.
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