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GS750E won't start

  • Thread starter Thread starter mike1414
  • Start date Start date
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mike1414

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I had to change my valve shims and adjust my jets, took the bike for a test run and it ran very well. Upon said test run, though, my headlight fell off (plastic housing broken, never any good). Thus, I got a new headlight, wired her in and again took it for a test run. It seemed to start ok, I went approximately 1/4 mile and then when I got to approximately 4 houses from my place, it cut off unexpectedly and wouldn't turn over. After re-wiring my headlight, I grounded the two blacks that were previously grounded and hooked up the necessary wiring (so I thought), but I have remaining a singular black, green (looks light green?) and brown wire. From what it looks like based off of (http://members.dslextreme.com/users/storagecliff/images/750e-s-z_wiring.jpg) this wiring diagram, brown to the ignition switch, the black to the right turn signal, and the light green to the left turn signal. Below you will see the brown wire in question. If you look closely, you can see an additional brown wire looped around that goes to the ignition switch.



This brown wire comes from the main wire harness that appears to travel to the back. This is the host of wires that was in my headlight bucket (new one does not have a bucket that can contain these wires). So I question, can anyone help me to figure out where or what may be going wrong? Does it even sound electrical as I suspect? Any help is appreciated. Thanks
 
All wires are color coded if I remember correctly... Brown to brown, black to black, yada yada yada... Ifyou see any wires not going to the same color then start there
 
I don't see another brown wire to which this one should connnect. It is just a singular brown wire without a companion. It seems to me that everything is all properly connected, which is why I'm so baffled. It doesn't make sense to me that it would be carbs that caused it to suddenly stop when it was running so well before I rewired my headlight, this my thought that it is electrical. Right?
 
The lone brown wire is normal. It's not connected to anything. Get back to basics. Spark? Fuel? Compression? Start with spark first.
 
We could talk about what each of those wires are.....
... but they were that way when it was running, right? They are not what came apart right when it quit, were they?

When you say it doesnt turn over... does it even make a click, a grunt, or just nothing when hit the starter button....?

I dont know if a 79 750 has the interlock switch on the clutch lever, but I see on the schematic you referenced, that yes, it does.
You know about that?


.
 
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