engine noise


Information and questions on GL1200 Goldwings (1984-1987)
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petarm1
Posts: 73
Joined: Sat Sep 29, 2012 6:31 pm
Location: rycroft,alberta,canada
Motorcycle: 1985 gl1200 limited edition
1980 gl1100 interstate
1982 Aspencade gl100

engine noise

Postby petarm1 » Sun Sep 30, 2012 4:30 pm



started the new bike up today(new to me) and i am hearing a high pitch wine and some clattering noise at idle. the wine seems to change with rpm.
dont remember hearing any noise when i first got it home yesturday. any thoughts.



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WingAdmin
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Location: Strongsville, OH
Motorcycle: 2000 GL1500 SE
1982 GL1100A Aspencade (sold)
1989 PC800 (wife's!)
1998 XV250 Virago (sold)
2007 Aspen Sentry Trailer

Re: engine noise

Postby WingAdmin » Sun Sep 30, 2012 10:35 pm

Is the whine coming from the lower front of the engine?

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petarm1
Posts: 73
Joined: Sat Sep 29, 2012 6:31 pm
Location: rycroft,alberta,canada
Motorcycle: 1985 gl1200 limited edition
1980 gl1100 interstate
1982 Aspencade gl100

Re: engine noise

Postby petarm1 » Sun Sep 30, 2012 11:07 pm

Yes that is where it sounds like it is comeing from. Lower right front

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WingAdmin
Site Admin
Posts: 17050
Joined: Fri Oct 03, 2008 4:16 pm
Location: Strongsville, OH
Motorcycle: 2000 GL1500 SE
1982 GL1100A Aspencade (sold)
1989 PC800 (wife's!)
1998 XV250 Virago (sold)
2007 Aspen Sentry Trailer

Re: engine noise

Postby WingAdmin » Sun Sep 30, 2012 11:12 pm

More than likely timing belts then - that's something you should be changing ASAP in any case, so now you have a good reason.

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petarm1
Posts: 73
Joined: Sat Sep 29, 2012 6:31 pm
Location: rycroft,alberta,canada
Motorcycle: 1985 gl1200 limited edition
1980 gl1100 interstate
1982 Aspencade gl100

Re: engine noise

Postby petarm1 » Sun Sep 30, 2012 11:21 pm

thanks the bike has 84000km and i was thinking of getting it a complete check over in the spring. i dont know the history of the bike so if there are any other things i should replace at this time i am open to suggestions

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dhg
Posts: 46
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Location: Lapeer, Michigan
Motorcycle: 1986 GL1200A Aspencade

Re: engine noise

Postby dhg » Mon Oct 01, 2012 10:16 am

If your going to change the timing belts, you can change the radiator hoses, cap, thermostat and coolant as the radiator has to come off to get at the belts.
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feetup
Posts: 100
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Location: West Coast of Canada
Motorcycle: 84 GL 1200I
75 GL 1000 (in pieces)
'02 Gas Gas Trials
'56 Norton 600

Re: engine noise

Postby feetup » Mon Oct 01, 2012 10:17 am

Hi Petarm

Obviously Oil and filter's should be changed out. Depending on the history of the bike it is likely that the brake and clutch fluid should be changed out. Final drive lube may never have been changed, and even if it has it will do no harm to do it again.

There are splines on the rear wheel to final drive joint, and on the drive shaft (both ends) that are lubricated and protected by a Honda only product called "Moly 60 Paste". When they dry out they destroy themselves fairly quickly.

Steering head bearings, wheel bearings and swing arm bearings may be dry, since the grease thickens and dries after 27 years. Rear wheel bearings in particular are loaded fairly heavy and have been shown to fail, sometimes destroying the hub in the process. They are easy to change out. Steering head bearings can offer some strange handling characteristics when they get older or if they brinnel or flake.

Fork oil is likely black, or worse, what comes next, silver with wear particles. Fairly easy to change out with ATF or 10 weight fork oil.

The most important of all though, as WingAdmin has pointed out is the timing belts. If they fail the pistons and valves marry and that kind of mixed marriage never works out well. They may have been changed but unless you are sure, change them.
It is possible that the whine you hear may be from a timing belt tensioner so check them for noisy rotation when the belts are off. These belts will whine if they are too tight or too loose.

One final note, there is an electrical issue with these bikes involving the wiring from the alternator stator to the regulator, and the connector plugs along the way. Many of them have failed, so do some research on this and other Goldwing websites using the keywords "Stator", "3 wire plug", "3 yellow wires", "regulator", "hardwired" etc. and you will find pages and pages of information on the fix.

I hope I haven't frightened you, when properly maintained these are remarkably reliable and satisfying bikes.

Good luck,

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petarm1
Posts: 73
Joined: Sat Sep 29, 2012 6:31 pm
Location: rycroft,alberta,canada
Motorcycle: 1985 gl1200 limited edition
1980 gl1100 interstate
1982 Aspencade gl100

Re: engine noise

Postby petarm1 » Mon Oct 01, 2012 11:07 am

Thanks I will get started on the rebuild as soon as my fireplace is up and running in my garage.
Nothing frietens me anymore. But I do want toy have a trouble free year next season. Thanks




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