noise at 2200 rpm


Information and questions on GL1200 Goldwings (1984-1987)
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grains
Posts: 31
Joined: Wed May 11, 2011 2:42 pm
Location: Canada
Motorcycle: 1984 1200 goldwing

noise at 2200 rpm

Postby grains » Sat Jul 16, 2016 10:24 pm



I have recently started my 1200 after about 1 yr sitting in the corner
I took it for a short ride and have a problem noise that baffles me. to be honest, it was there before I stored the bike. But then it was only ocassionally. Now it is more often.
at about 2200 rpm there is a rattle that sounds to me like a flat lifter.
If that was the case, then wouldnt it be more obvious at lower rpm? or even constant rather than at a certain rpm
Now that I think about it, could it be ignition timing?
g



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julimike54
Posts: 226
Joined: Sun Feb 01, 2015 12:21 pm
Location: Euless, Texas
Motorcycle: 1986 GL1200A original owner
2016 HD FLTRU

Re: noise at 2200 rpm

Postby julimike54 » Tue Jul 19, 2016 4:19 pm

Could be caused by a flat spot in one of the carbs. It would be causing a slight misfire by not enough fuel. Could try running seafoam or atf (6ozs per tank) (atf is my preference) to clean up carbs. Would see if any improvement occurred after a tank full. That rpm you stated is where mine acted up a little after sitting for too long. I think it's the transition from one fuel circuit to another. It worked for me. Then again maybe something totally different, since noises are subject to what you think it might be :)
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Riding anything is a good day!
Mike


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