Engine running hot.

Information and questions on GL1200 Goldwings (1984-1987)
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Joined: Tue Apr 12, 2011 3:27 pm
Location: pennsauken, NJ
Motorcycle: 1987 GL1200I Interstate

Engine running hot.

Postby cgoins » Fri Jul 01, 2011 9:59 pm

I bought my 87 Interstate 4 months ago and moved to Tucson. I flushed and changed the fluids including the coolant. It's still runs hot and almost runs in the red zone. What can I do?

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Joined: Sun Jun 06, 2010 10:51 pm
Location: Castlegar BC, Canada
Motorcycle: 1997 1500SE

Re: Engine running hot.

Postby RoadRogue » Sat Jul 02, 2011 1:15 am

sounds like its time to check out the water pump,I would bet a cookie its shot.
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Joined: Sun Jun 19, 2011 11:23 am
Location: Anchorage AK
Motorcycle: 1987GL1200I

Re: Engine running hot.

Postby nottak » Sat Jul 02, 2011 11:34 am

Is your cooling fan coming on? I just bought an 87 as wall in May and found pretty quick the thermoswitch was not working. Followed a tip I read and installed a toggle switch so I can turn it on when needed. I'll be replacing the thermoswitch in my long Alaska winter.

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Joined: Tue May 18, 2010 4:08 pm
Location: Sydney
Motorcycle: 1984 GL1200 Aspencade

Re: Engine running hot.

Postby j.maclean » Mon Jul 04, 2011 6:19 pm

Is any coolant coming out of the water pump weep hole, if not then I would start with the thermostat first.

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Location: Metairie, LA
Motorcycle: 1979 GL1000

Re: Engine running hot.

Postby larryakruse » Wed Jul 20, 2011 10:10 pm

I would check the before mentioned solutions first as they are the most likely but if you bought the bike used the previous owner might have played with the jets to lean the bike out a bit. This would make the bike run a bit hot and if is getting out of tune and leaning up further then hot would be the word of the day. Just a thought if the other solutions don't pan out. Good luck.

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Re: Engine running hot.

Postby cbx4evr » Wed Jul 20, 2011 10:40 pm

You changed the coolant. HAs the cooling system been "burped". I've seen it before where air in the cooling system causes overheating.

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