1985 GL1200A quits after it gets warm


Information and questions on GL1200 Goldwings (1984-1987)
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dennyloyd
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Motorcycle: 1985 GL1200A Aspencade

1985 GL1200A quits after it gets warm

Postby dennyloyd » Thu Nov 11, 2010 12:35 am



I have a 1985 GL1200A with 19900 babed miles, recently it just started to quit running after it gets to temp. It just stops just like you hit the kill switch no coughing or sputtering, all power like lights,radio and everything seems to have full power, the starter cranks but it won't start until it sets for about a minute, then it will start and run great for the rest of the day. Where would I start to look to get this fixed. Love the bike but need it to be dependable. Beside from this the bike runs perfect and just recently had tune-up and new battery. Thanks for any help.



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WingAdmin
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Re: 1985 GL1200A quits after it gets warm

Postby WingAdmin » Thu Nov 11, 2010 9:31 am

This is usually caused by one of two things:

- Failing master (dogbone) fuse
- Failing pulse generators

The fuse is the easiest to check. It will get hairline cracks in it, that separate once it warms up, causing it to break the connection.

Pulse generators, if they're the cause, need to be replaced. This seems to be a more common problem on the GL1200 than other Goldwings.

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maestro319
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Re: 1985 GL1200A quits after it gets warm

Postby maestro319 » Thu Nov 11, 2010 4:41 pm

Where on or near the engine would you find a pulse generator, what does it look like, and what does it do?

dennyloyd
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Re: 1985 GL1200A quits after it gets warm

Postby dennyloyd » Thu Nov 11, 2010 9:30 pm

can you tell me where and which fuse to check Thanks for you help

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HALBUDD
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Re: 1985 GL1200A quits after it gets warm

Postby HALBUDD » Thu Nov 11, 2010 10:57 pm

The dog bone fuse is on the left side of your bike,on the right side of the battery . Hal
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arkansassuperdrafter
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Re: 1985 GL1200A quits after it gets warm

Postby arkansassuperdrafter » Thu Nov 11, 2010 11:26 pm

Maestro, on the 85 gl1200, the pulse generators are inside the timing belt covers next to the crankshaft pulley. Haven't hear of many of them going bad. There are two of them.
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tricky
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Re: 1985 GL1200A quits after it gets warm

Postby tricky » Fri Nov 12, 2010 8:51 am

Does sound more like PG's and as these 1200's age are starting to have problems.
I changed mine out last year.

Of course after changing gas filter, plugs, air filter... you name it.. Changed the pg's and that's what was causing the problem.

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WingAdmin
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Re: 1985 GL1200A quits after it gets warm

Postby WingAdmin » Fri Nov 12, 2010 12:57 pm

dennyloyd wrote:can you tell me where and which fuse to check Thanks for you help


Have a look at the pictures here:

Main fuse assembly

dennyloyd
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Re: 1985 GL1200A quits after it gets warm

Postby dennyloyd » Sat Nov 13, 2010 7:47 pm

Went to replace the fuse as you suggested and when I went to take it out it litterly fell apart, replaced with new one and now it runs super. Who would of known. Thanks

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WingAdmin
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Re: 1985 GL1200A quits after it gets warm

Postby WingAdmin » Sun Nov 14, 2010 5:20 pm

Glad to hear that was it. Did you put a blade fuse holder in its place?

dennyloyd
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Re: 1985 GL1200A quits after it gets warm

Postby dennyloyd » Sun Nov 21, 2010 10:34 pm

no put the dogbone fuse back in should I change it to a blade fuse

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WingAdmin
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Re: 1985 GL1200A quits after it gets warm

Postby WingAdmin » Mon Nov 22, 2010 3:21 pm

It's up to you, but those fuses are known for going at inopportune times, and you'll find it quite a bit easier to find a replacement blade fuse at your local gas station than you will a Honda-specific dogbone fuse from a 30 year old bike.

dennyloyd
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Re: 1985 GL1200A quits after it gets warm

Postby dennyloyd » Tue Nov 23, 2010 12:04 am

Thanks again, on another subject how often should the tming belts be changed mine has about 8,000 miles on them.

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tricky
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Re: 1985 GL1200A quits after it gets warm

Postby tricky » Tue Nov 23, 2010 9:17 am

If only 8000miles I shouldnt be concerned about them.

There isnt a specific mileage quoted in manuals and every time I have changed mine (I have changed them possibly 4 times since new) 230,000 k, they look like new.

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WingAdmin
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Re: 1985 GL1200A quits after it gets warm

Postby WingAdmin » Tue Nov 23, 2010 10:35 am

I would consider 30 to 40 thousand miles a good time to change them. However, time will deteriorate them as well - letting them just sit will cause damage. If they're more than ten years old, it's time to change them.

As for how they look when they come off - timing belts don't crack and wear like regular drive belts. They're designed not to stretch at ALL - so a belt that is on the verge of failing can look exactly the same as one that is good for another 20,000 miles. The only way to know for sure that the belts are good is because you just changed them.

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tricky
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Re: 1985 GL1200A quits after it gets warm

Postby tricky » Tue Nov 23, 2010 5:27 pm

Personally I have never actually heard of a belt failing, the only time (I) heard of a problem was when a CERTIFIED HONDA mechanic changed the belts on my friends bike and allowed the rubber seal to fall down inside the cover and on the way home the belt got dragged around the cam pulley and the belt sliped several teeth.... bingo... valves etc.
Of course it was fixed by the shop.

The moral of the story.... learn to do your own work where possible

epowell
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Re: 1985 GL1200A quits after it gets warm

Postby epowell » Tue Nov 30, 2010 4:51 pm

You also want to check the connecter at the left side of the battery.This is the connecter for the stater.If it looks like it is black or melted then just hard wire it and your problem should be solved.I also replaced the PGs on my 87Aspy along with hardwiring and it cured my problem.I hope this is helpfull.Have a great day.

jbikecrazy
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Motorcycle: 1985 GL1200 A

Re: 1985 GL1200A quits after it gets warm

Postby jbikecrazy » Wed Dec 01, 2010 11:06 pm

Mine did that last year, replaced pulse generators and it fix the problem.




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