80 GL1100 Transmission noise


Information and questions on GL1100 Goldwings (1980-1983)
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mafraziersr
Posts: 3
Joined: Thu Mar 24, 2011 5:17 am
Location: Salisbury, MD
Motorcycle: 1980 GL1100 Interstate

80 GL1100 Transmission noise

Postby mafraziersr » Mon Apr 04, 2011 9:16 am



I'm new here and new to the Honda GL. I just purchased a very nice 80 GL1100 Interstate with 15000 miles on it. The previous owner addressed all of the typical 80's Honda and GL1100 issues ie; carbs, fork seals, timing belts, brakes, cooling system, battery. The bike runs great and get decent but not great mileage (45MPG HWY). Here's the problem, it is noisy (transmission) starting off from a dead stop especially on a hill or with a passenger and the 3-4 shift is very easy to miss. It does not jump out of gear. I originally wrote it off to age. I was wondering if gears 1 and 4 share the same shaft. If so, it may be a bearing on that shaft. Is there another GL issue that may explain the noise and shifting issue? I rode it for several hours yesterday with 0 problems.



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WingAdmin
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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: 80 GL1100 Transmission noise

Postby WingAdmin » Mon Apr 04, 2011 9:33 am

When you say noisy starting off...how would you describe the noise?

mafraziersr
Posts: 3
Joined: Thu Mar 24, 2011 5:17 am
Location: Salisbury, MD
Motorcycle: 1980 GL1100 Interstate

Re: 80 GL1100 Transmission noise

Postby mafraziersr » Mon Apr 04, 2011 10:08 am

Kind of like a chattering noise. Not terribly loud and once the bike is moving, the noise fades away. I should also mention that if I start real smooth with just me there is almost no noise at all.

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WingAdmin
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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: 80 GL1100 Transmission noise

Postby WingAdmin » Mon Apr 04, 2011 11:23 am

mafraziersr wrote:Kind of like a chattering noise. Not terribly loud and once the bike is moving, the noise fades away. I should also mention that if I start real smooth with just me there is almost no noise at all.


Very likely that's the hyvochain. You can fix that noise by doing a careful, accurate carb sync.

mafraziersr
Posts: 3
Joined: Thu Mar 24, 2011 5:17 am
Location: Salisbury, MD
Motorcycle: 1980 GL1100 Interstate

Re: 80 GL1100 Transmission noise

Postby mafraziersr » Mon Apr 04, 2011 1:15 pm

What is a hyvochain?

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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: 80 GL1100 Transmission noise

Postby WingAdmin » Mon Apr 04, 2011 1:52 pm

It's the massive chain (also called the primary chain) that connects the output of the engine to the input of the transmission.

GL1100 Primary Chain
GL1100 Primary Chain


When the carbs are out of sync, the power pulses from the cylinders are uneven, which causes the chain to resonate in low speed, high torque situations (i.e. when starting off in first gear), and it rattles loudly as a result.

unsteadyrider
Posts: 13
Joined: Mon Jan 04, 2010 2:45 pm
Location: Lodi, California, USA
Motorcycle: 1982 GL1100 standard
1981 GL1100 Standard

Re: 80 GL1100 Transmission noise

Postby unsteadyrider » Mon Apr 04, 2011 9:22 pm

My 81 does this and the carbs are synced.
What I've been told or heard is that is the reason Honda changed the trans ratios in 82. A little stall rattle is all.




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