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problem with starter circuit

  • Thread starter Thread starter defwack
  • Start date Start date
D

defwack

Guest
I just took the starter out of my 1980 GS850G because the bike wasn't cranking at all. When I hooked up a direct 12v power supply to the starter, however, it spun just fine. The lights and all other electrical stuff seems to work fine, and the bike will start with a push-start. Is there something else that I could be missing here?

Thanks!
 
Just because it spins fine out of the bike doesn't mean it will do so trying to crank the engine. While you have it out you should go ahead and clean up the internals. Reinstall it and see what happens. If it still won't crank run a wire from the battery to the wire coming out of the solenoid to the starter and momentarily complete that circuit to see if it cranks. If it does the solenoid is toast.
 
Billy Ricks said:
Just because it spins fine out of the bike doesn't mean it will do so trying to crank the engine.
Click to expand...

I just thought of that also after I posted. Now that I have it out, I will attempt to clean it up and such tonight. I'll try reinstalling it tomorrow and see what happens.

I'm not entirely clear on your instructions for the other part though. Are you saying to run a wire straight from the battery to the starter-motor?
 
defwack said:
I just thought of that also after I posted. Now that I have it out, I will attempt to clean it up and such tonight. I'll try reinstalling it tomorrow and see what happens.

I'm not entirely clear on your instructions for the other part though. Are you saying to run a wire straight from the battery to the starter-motor?
Click to expand...
If you look at your solenoid you will see a couple of small guage wires and two heavy guage wires. One of the heavy gauge wires runs from the battery to the solenoid. The other runs from the solenoid to the starter. Just bypass the solenoid by running a wire between the battery and the starter side of the solenoid. Don't permanently attach the wire, you just want to touch the wire to the starter side of the solenoid and see what happens.
 
Ah, okay. I see now. I will give that a try when I get home from work tomorrow and it's light out. I'll post back then. Thanks for your help!
 
You can just use a short piece of wire and go from one side of the solenoid to the other completing the circuit between the two heavy gauge wires.
 
You may find it easier to use a screwdriver to make contact with the two wire lugs on the solenoid. If it turns over when you do this, I would suggest checking out the clutch safety switch (especially if your bike has been exposed to the elements). You can bypass the switch in the headlight bucket if you want to.
 
What's the clutch safety switch, and where would I find it? If you mean the thing where you have to have the clutch in to start the bike, mine doesn't have that. This sucker will start with or without clutch, kickstand, or in any gear. Safety was not a priority!
 
defwack said:
What's the clutch safety switch, and where would I find it? If you mean the thing where you have to have the clutch in to start the bike, mine doesn't have that. This sucker will start with or without clutch, kickstand, or in any gear. Safety was not a priority!
Click to expand...
Someone has already bypassed it then.
 
Billy Ricks said:
Someone has already bypassed it then.
Click to expand...

In that case, you may want to clean all of your electrical connections between the ignition switch and the starter solenoid... assuming that the starter solenoid passes the test.
 
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