1976 GL1000 Starter hum


Information and questions on GL1000 Goldwings (1975-1979)
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pbaker
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1976 GL1000 Starter hum

Postby pbaker » Mon Jan 28, 2013 12:06 pm



I got a 1976 Wing with 18k miles and stipped it down to the frame and in the process of restoring. I have all the electrical done and wanted to check the starter switch. I can hear the solenoid clicking but the starter only hums. I bypassed the solenoid by putting the positive directly to the starter and got the same hum but does it not turn the motor. I used the kick started and the motor turns fine. I should say the bike ran when I got it. Could the starter go bad without use for a month? Any suggestions?



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thrasherg
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Re: 1976 GL1000 Starter hum

Postby thrasherg » Mon Jan 28, 2013 12:37 pm

Sounds like the starter needs a good overhaul or replacing. It should spin when the starter relay is operated. If the engine turns over then the only thing between the starter motor and the engine is the one way sprag clutch, and I can't see how that would prevent the starter motor from turning.. I would be looking to remove the starter motor and check it on a work bench, maybe the brushes are worn.. It will be much easier to resolve now, whilst the engine is out of the bike!!

I still don't know how it can make a hum!! We are working with DC, so of the starter motor jams or fails to operate, it should just take lots of current, there won't be a hum, so I am at a loss to find what would cause a hum.. I can only suggest removing the starer motor from the engine and see if it operates outside of the motor and maybe opening it up and giving it a good clean inside..

Gary

pbaker
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Re: 1976 GL1000 Starter hum

Postby pbaker » Mon Jan 28, 2013 12:51 pm

Thanks Gary,
Thats what I thought. I am reading if I take the starter off, I have to be careful about the gear for some reason. Others are saying if I put the bike on the kick stand, the gear will stay in place without having to remove the engine cover. The engine is back in the bike.
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virgilmobile
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Re: 1976 GL1000 Starter hum

Postby virgilmobile » Mon Jan 28, 2013 2:23 pm

Don't get nervious about the end gear(sprocket).It will move out of center if the bike is standing upright.When on the side stand,it has a tendancy to remain centered.
So when you go to put the starter back on,just lean the bike to that side and center the sprocket in the hole.
By the way.....I wonder if your starter hums beacuse it dosen't know the words??? :D
Just kidding.

pbaker
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Re: 1976 GL1000 Starter hum

Postby pbaker » Mon Jan 28, 2013 2:47 pm

Excellent advice. Ill try sheet music next time.... lol.

Ill pull tonight and bench test. Last thing I need to do before sending covers for repainting is to make sure it will at least start and electrical is all back together correct.

thank again.

Paul

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1grouch2u
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Re: 1976 GL1000 Starter hum

Postby 1grouch2u » Sun Feb 24, 2013 4:15 pm

You left us hangin.... and it's about time to be ridin that thing, isn't it? I just had to know: did you get the 'sheet music' ? and if so did it make your starter stop humming (and hopefully cause the whole bike to begin singing?)
Project update, please. We would really like to know! :?



:lol: I think that was so-o--o-ooo funny! Humming because it didn't know the words. Priceless :lol:

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Fred Camper
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Re: 1976 GL1000 Starter hum

Postby Fred Camper » Sun Feb 24, 2013 6:13 pm

Cleaning the carbon dust out of a starter is often all it needs. I would have checked that first if the music was right for that.

pbaker
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Re: 1976 GL1000 Starter hum

Postby pbaker » Sun Mar 17, 2013 11:12 am

Sorry for the delay. I bench tested and it appears the starter was frozen. I got another one and worked fine. I'm about 99% done with the restore. Runs nice but probably needs a new set of points. Occasional backfire.

Now starting restore on a 1975, which leads me to another questions. Is there a way to make sure an engine will start before putting back in the bike? The 1975 I got is rough and in parts including engine. I will rebuilt what is needed but dont want to put it all back together and findout there is something else unknown to me. Can I bench test the engine?


Paul

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Fred Camper
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Re: 1976 GL1000 Starter hum

Postby Fred Camper » Sun Mar 17, 2013 3:31 pm

It has been done but it is not simple. You need a custom electric harness. The coils for instance get grounded by the frame, so out of the frame your custom harness needs to do that too. But I think it is worth the effort.




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