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-   -   Can someone tell me what this Yamaha cart is ? (https://www.buggiesgonewild.com/showthread.php?t=134950)

duster299 09-14-2017 08:43 PM

Can someone tell me what this Yamaha cart is ?
 
2 Attachment(s)
I was told that it could be a 83 gt 250 but I can't find a wiring harness schematic that works Attachment 159284Attachment 159285


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TheNewGuy 09-15-2017 06:36 AM

Re: Can someone tell me what this Yamaha cart is ?
 
Can't tell the year, but it's a G1 with what looks like a stock 2 stroke engine.

Spicyunicorn 09-15-2017 07:31 AM

Re: Can someone tell me what this Yamaha cart is ?
 
Late 70 or early 80s g1 has the old style solenoids

smallblock450sl 09-15-2017 08:44 AM

Re: Can someone tell me what this Yamaha cart is ?
 
1979/80 or 81 G1 because of the solenoid style. The engine is from a later 83 up G1.

duster299 09-15-2017 12:42 PM

Re: Can someone tell me what this Yamaha cart is ?
 
Thank you guys , Any idea where I could find a wire diagram ?


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Lochlin 09-15-2017 01:32 PM

Re: Can someone tell me what this Yamaha cart is ?
 
Wiring diagram? It looks like you can use some sauce on that spaghetti a lot more than you can use a wiring diagram!

Messin' with ya.

Check this out:

http://www.buggiesgonewild.com/garag...ir-manual.html

The diagrams you need are in there.

duster299 09-16-2017 09:02 PM

Re: Can someone tell me what this Yamaha cart is ?
 
So does this thing have a positive ground then ? I am questioning why there would ever be a fuse to ground


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ssanoobab 09-16-2017 09:34 PM

Re: Can someone tell me what this Yamaha cart is ?
 
Year Identification is typically done by verifying the serial number on the frame. The common location is behind the rear bumper on the round main frame. The number is stamped/engraved and might not be visible if there is alot of rust and dirt. Clean the area off and lightly sand the area with a scotchbrite type pad to reveal the numbers

yours looks like mine, it is a 1981 G1

Lochlin 09-19-2017 06:30 AM

Re: Can someone tell me what this Yamaha cart is ?
 
Quote:

Originally Posted by duster299 (Post 1432849)
So does this thing have a positive ground then ? I am questioning why there would ever be a fuse to ground

This is not a positive ground, it's a negative ground. Not sure on the fuse. Are you sure it's original?

Dave in VA 09-19-2017 06:37 AM

Re: Can someone tell me what this Yamaha cart is ?
 
https://www.cunninghamgolfcar.com/Im...aha%20G1A3.pdf

Wiring diagram here. It shows a negative ground with a fuse...

duster299 09-19-2017 01:40 PM

Re: Can someone tell me what this Yamaha cart is ?
 
Yea that's crazy huh ? I seen that 2 the harness diagram doesn't show what kind of starter relay I need either , any ideas ?


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Lochlin 09-19-2017 02:38 PM

Re: Can someone tell me what this Yamaha cart is ?
 
G1s were made for quite a number of years and, if I am not mistaken, there were some minor variations regarding the wiring diagram from year to year. There is a repair manual posted in the garage section that lists all of the wiring diagrams. You just need to figure out which specific year you need via the serial number.

The starter relay really isn't needed and a lot of people, to include me, bypassed it. All the relay did was delay the cart from turning over for a second or two to prevent the cart from being immediately started when switching directions via the key switch. This prevented to engine from trying to start in one direction while it was still turning in the other. Mine went bad altogether and, being that that particular relay really isn't needed, no one makes replacements so there are none to be found. Instead, people just jumped them which is probably why yours isn't even there.

Most carts actually have two harnesses; one for starting and one for charging. You can almost say that G1s have 3, one for F, one for R, and one for charging (although some of these are actually shared wiring).

G1s are a little more complex as they actually have fairly exotic ignitions for the time. It makes for a rough wiring schematic but these carts really are some of best ever.

duster299 09-19-2017 04:52 PM

Re: Can someone tell me what this Yamaha cart is ?
 
Quote:

Originally Posted by Lochlin (Post 1433822)
G1s were made for quite a number of years and, if I am not mistaken, there were some minor variations regarding the wiring diagram from year to year. There is a repair manual posted in the garage section that lists all of the wiring diagrams. You just need to figure out which specific year you need via the serial number.

The starter relay really isn't needed and a lot of people, to include me, bypassed it. All the relay did was delay the cart from turning over for a second or two to prevent the cart from being immediately started when switching directions via the key switch. This prevented to engine from trying to start in one direction while it was still turning in the other. Mine went bad altogether and, being that that particular relay really isn't needed, no one makes replacements so there are none to be found. Instead, people just jumped them which is probably why yours isn't even there.

Most carts actually have two harnesses; one for starting and one for charging. You can almost say that G1s have 3, one for F, one for R, and one for charging (although some of these are actually shared wiring).

G1s are a little more complex as they actually have fairly exotic ignitions for the time. It makes for a rough wiring schematic but these carts really are some of best ever.



Awesome thank you for your time :)


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duster299 09-19-2017 08:18 PM

Re: Can someone tell me what this Yamaha cart is ?
 
Ok I got it to fire up :). Now the linkage between the carb and the exhaust is missing , is that important ? It seems to need to adjust the choke to keep it running . Any ideas ?


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Spicyunicorn 09-19-2017 08:33 PM

Re: Can someone tell me what this Yamaha cart is ?
 
Linkage isn't important as long as the exaust butterfly is wired open... As for the choke to need running it likely crank seals

duster299 09-19-2017 08:35 PM

Re: Can someone tell me what this Yamaha cart is ?
 
Ok I'll wire the exhaust open , shall I do the carb open as well ? I can spray the crank seals with starting fluid and that should
Tell me if they are leaking I suppose


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Spicyunicorn 09-19-2017 08:39 PM

Re: Can someone tell me what this Yamaha cart is ?
 
Don't wire the carb open you go wide open all the time ..... Try spraying starting flood around carb boot first the seals are pretty deep so the old starter fluid trick doesn't necessarily work the best but you can try it

duster299 09-19-2017 09:08 PM

Re: Can someone tell me what this Yamaha cart is ?
 
Awesome . Now when it's running good it won't idle correct its either running or off right ? I just didn't know if the cart would run at like 1/3 throttle


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