GL1000 fuel/coolant/water on cylinder

Information and questions on GL1100 Goldwings (1980-1983)
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Joined: Mon Sep 21, 2015 5:03 am
Location: Connecticut
Motorcycle: 1977 GL1000

GL1000 fuel/coolant/water on cylinder

Postby rocks » Mon Sep 21, 2015 5:12 am

Hi there,
Just removed carbs off 1977 GL1000 after years of seating. I noticed some liquid that smelled like gasoline or (and engine coolant). I am assuming that there will be a ring of rust inside cylinders (2 of them are full of that liquid).
My question is should I remove the cylinder head and clean them (change the gasket) or just suck that liquid and good to go?

First time working on this bike :)


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Joined: Sun Mar 22, 2015 11:39 am
Location: Houston, Texas
Motorcycle: 1977 GL 1000
1982 GL 1100 Interstate (Sold)

Re: GL1000 fuel/coolant/water on cylinder

Postby maintainer » Mon Sep 21, 2015 7:18 am

If it has coolant is in the cylinder bore you will need to pull the head, check the head mating surface and resurface if needed, install a new head gasket and reassemble.

Depending on what you find there could be other steps like corrosion in the cylinder or piston top to remove or freeing up the rusted piston and rings.
Of course you will also have to change your oil and filter and add coolant and consider at a minimum, water pump and thermostat condition.

It could open up a whole can of worms.
1982 GL 1100 Interstate SOLD
1977 GL 1000 Standard (naked can be good, who knew?)

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Motorcycle: 1980 gl 1100 Std. Vetter

Re: GL1000 fuel/coolant/water on cylinder

Postby f1xrupr » Sun Sep 27, 2015 7:06 pm

My guess would be gas from carbs flooding-common problem on wings.
I would collect some of the liquid in a clear bottle, and look at to see if there is separation (gas and coolant won't mix). Then, I would carefully put a small amount in a metal jar lid in a safe place, and see if it will burn. If it "all" burns, then it's all gas. If it don't burn, it's coolant.
If it's gas, you may get buy by just using a solvent in the cylinders. If it's coolant, it's a good chance you may have issues.
My exercise bike is a goldwing.

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