1200 thermostat?


Information and questions on GL1200 Goldwings (1984-1987)
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1200 thermostat?

Postby BladeRunner9 » Wed Sep 09, 2009 9:21 pm



I just changed my thermostat and it comes with an "o" ring; the problem seems to me the "o" ring seems to be too small in diameter.. :o Not diameter actually...in cross section.
The one that came off was literaly FLAT! :? The new one barely fills the surface, it does just slightly show above the mating surface..but not by much; should I be using some sort of gasket matieral? I don't want to have a leak and have to pull it all apart again... :cry:
Sorry guys; it's an 87 Aspencade 1200.... :)


BladeRunner9
 
Posts: 59
Joined: Sat Jul 18, 2009 11:44 am
Location: Ontario Canada
Motorcycle: 1987 GL1200 Aspencade
1984 GL1200 Standard
1988 GL1500

Re: 1200 thermostat?

Postby Mooseman » Fri Sep 11, 2009 8:38 pm

BladeRunner9
I just replaced my thermostat on my 86. The O-ring will flaten out after being on for awhile. The new one will just lay in the grove and barely stick above the flat milled surface. When you put it together it will seal very nicely and the next time you change it, it too will be flatened. I used a Napa Auto Parts theromstat #535080 and got the O-ring from the local Honda MC shop part# 91307-MB0-003.
Hope this helps.

Mooseman
1986 Aspencade
Enjoy the ride. They are all good, just some better than others.
Mooseman
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Mooseman
 
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1986 GL1200A
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Re: 1200 thermostat?

Postby BladeRunner9 » Fri Sep 11, 2009 10:43 pm

Thanks Mooseman, it just didn't look right..but now that I think about it..the thermostat will take up a bit of the space....Guess I'm good to go! 8-)
BladeRunner9
 
Posts: 59
Joined: Sat Jul 18, 2009 11:44 am
Location: Ontario Canada
Motorcycle: 1987 GL1200 Aspencade
1984 GL1200 Standard
1988 GL1500

Re: 1200 thermostat?

Postby Mooseman » Sat Sep 12, 2009 12:46 am

BladeRunner9
The thermostat will set just inside the case. You will find it sets in there just right as its milled out just a little. Be carefull it doesnt slip down and make sure the little hole in the thermostat is at the top or 12 clock position. This lets air out and alowes just a little bypass of fluid. The O-ring seals just out side of the round opening on the case. Doesn't touch the thermostat. Let me know how it goes. Mine is all back together, new thermostat, radiator hoses and fluid. Also changed out the cam belts. Checked for leaks and so far no runs, drips or errors...:)

Mooseman
1986 Aspencade
Enjoy the ride. They are all good, just some better than others.
Mooseman
User avatar
Mooseman
 
Posts: 353
Joined: Thu Sep 10, 2009 12:10 pm
Location: Napa, CA
Motorcycle: 1996 GL1500SE
65K
1986 GL1200A
81K

Re: 1200 thermostat?

Postby BladeRunner9 » Sat Sep 12, 2009 7:39 pm

Mooseman; Thanks for the tips... :) I knew about the air bleed hole, it is a really good fit. I'm also doing all the fluids, brakes, and timing belts. I've torn the bike down quite a bit (see pics).
I'm in the process of cleaning all the electrical connections, and regreasing w/ dielectric, changing the small filters for the air compressor etc.
I just ordered a new front tire...Dunlop D404. The rear tire is new D404. I'm waiting for a front wheel I bought on eBay to get the tire installed and balanced. Once I get all that done I had planned to have the paint done.( color change) I really like the '99 SE pearl White.
But, I think I will wait till next yr for that. Right now I just want to get it running and see where to go from there... 8-)


BladeRunner9
 
Posts: 59
Joined: Sat Jul 18, 2009 11:44 am
Location: Ontario Canada
Motorcycle: 1987 GL1200 Aspencade
1984 GL1200 Standard
1988 GL1500


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