Normal Drive Shaft Noise??


Information and questions on GL1200 Goldwings (1984-1987)
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BikerNewsman
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Motorcycle: 1985 GL1200 Limited - Anniversary Edition

Previously owned:
1969 HD Sporty
1974 Yamaha 650

Normal Drive Shaft Noise??

Postby BikerNewsman » Sun Jun 17, 2012 4:48 pm



While warming the final drive for the oil change discussed in my post (viewtopic.php?f=5&t=11738) concerning which oil to use I noticed a noise coming from the vicinity of the drive shaft when idling in OD with the bike on it's center stand. It sounds somewhat like a rattle or clank. I checked for this noise in 4th and 3rd gear also and it is still there. Wondering if it would get worse, or go away, with an increase in RPM's I slowly increased the R's. The noise went away at the following speeds: 1400 R's in OD, 1350 R's in 4th, and 1300 R's in 3rd. I didn't check in lower gears, however there is no noise when idling in Neutral. The noise was still there after flushing and changing the final drive oil. Also, I had previously flushed and refilled the engine oil so this should not be related to a thin, or low level, oil problem.

Since I have not yet put this bike on the road since obtaining it I do not know if this noise is currently present when "under load". I do not remember hearing the noise when I first checked the bike out a little over 2 years ago.

Any thoughts?

1985 GL1200 LTD with EFI - under 57,000 miles.


"It ain't about the miles, it's all about the smiles".
My (non-commercial) motorcycle blog = http://dixieriders.wordpress.com/purpose/

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virgilmobile
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Re: Normal Drive Shaft Noise??

Postby virgilmobile » Mon Jun 18, 2012 9:36 am

I don't recall any noise from mine,but I did apply a copious ammount of moly grease to the coupler while I had it apart.

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BikerNewsman
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Motorcycle: 1985 GL1200 Limited - Anniversary Edition

Previously owned:
1969 HD Sporty
1974 Yamaha 650

Re: Normal Drive Shaft Noise??

Postby BikerNewsman » Mon Jun 18, 2012 10:56 pm

I assume you're referring to the splines at the final drive. Haven't taken the rear wheel off yet (the tires are on my list of have-to-do), however the noise seems to be coming from a short distance behind the engine and no where near the final drive. Thinking it could just be "transfer noise" from the engine caused by the drivetrain not being under a load since the bike's on the center stand, but since I'm used to chain driven bikes, not shaft driven, I don't know what sounds are normal and which aren't.... yet. :)
"It ain't about the miles, it's all about the smiles".
My (non-commercial) motorcycle blog = http://dixieriders.wordpress.com/purpose/

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virgilmobile
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Re: Normal Drive Shaft Noise??

Postby virgilmobile » Tue Jun 19, 2012 10:55 am

Well,them too.The splines are the coupler to the wheel AND the driveshaft to the chunk from the driveshaft.
Directly behind the engine,undre the rubber boot is the differental joint and a splined end shaft from the trans.

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BikerNewsman
Posts: 77
Joined: Sat Jan 21, 2012 11:22 pm
Location: Hondo, TX
Motorcycle: 1985 GL1200 Limited - Anniversary Edition

Previously owned:
1969 HD Sporty
1974 Yamaha 650

Re: Normal Drive Shaft Noise??

Postby BikerNewsman » Tue Jun 19, 2012 12:48 pm

Thanks for the explanation. :) Sure wish my Clymer would get here... been backordered twice. Plan to tackle this as soon as I finish repairing all the mouse-chew damage to electrical and hoses under the false tank.
"It ain't about the miles, it's all about the smiles".
My (non-commercial) motorcycle blog = http://dixieriders.wordpress.com/purpose/

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virgilmobile
Posts: 7645
Joined: Sun Sep 19, 2010 5:39 pm
Location: Denham Springs,La.
Motorcycle: 1988 GL1500 I
Previously owned
78 GL1000
81 GL1100
82 GL1100 I
83 GL1100 I
83 GL1100 standard
84 GL 1200 I

Re: Normal Drive Shaft Noise??

Postby virgilmobile » Tue Jun 19, 2012 2:26 pm

Download every gl1200 PDF file in the manuals section.there's gotta be all the info you need in there somewhere :)

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BikerNewsman
Posts: 77
Joined: Sat Jan 21, 2012 11:22 pm
Location: Hondo, TX
Motorcycle: 1985 GL1200 Limited - Anniversary Edition

Previously owned:
1969 HD Sporty
1974 Yamaha 650

Re: Normal Drive Shaft Noise??

Postby BikerNewsman » Wed Jun 20, 2012 10:39 pm

I'm sure you're right! Thanks for the suggestion. :)
"It ain't about the miles, it's all about the smiles".
My (non-commercial) motorcycle blog = http://dixieriders.wordpress.com/purpose/

wrightwing
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Re: Normal Drive Shaft Noise??

Postby wrightwing » Fri Jun 22, 2012 3:27 pm

Personally , I think your '' NO LOAD '' theory is spot on :idea:
''NEVER TIME TO DO IT RIGHT, BUT ALWAYS TIME TO DO IT OVER''

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BikerNewsman
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Motorcycle: 1985 GL1200 Limited - Anniversary Edition

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1969 HD Sporty
1974 Yamaha 650

Re: Normal Drive Shaft Noise??

Postby BikerNewsman » Sat Jun 23, 2012 8:40 am

Thanks for all of the responses. :) I should be finishing up repairing the mouse damage over the weekend, and plan to tackle the rear caliper and drive train related concerns next week. I'll post what I find out.


"It ain't about the miles, it's all about the smiles".
My (non-commercial) motorcycle blog = http://dixieriders.wordpress.com/purpose/


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