Re: What octane gas is best for my 1991 Goldwing? When...
Your problem is not octane related. It sounds like you have a vacuum leak, probably a hose. Check out this web site for info on how to diagnose your problem. www.hrot.org/martino/carb/index.htm
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.As soon as I touch the throttle it will go to the sky.Have you any idea what that can be.Thanks. ... read more Doug E. Vintage M/C restorer Vocational, Technical or Trade Scho 2,485 satisfied customers1982 Honda Goldwing Aspencade: carburetor..bike..gas line..air filter I have a 1982 Honda Goldwing Aspencade, it has been sitting for about 2 years now, when I first got the bike I cleaned the carburetor, adjusted the valves, and did a oil change, I also cleaned the gas ... read more Doug E. Vintage M/C restorer Vocational, Technical or Trade Scho 2,485 satisfied customersI have a 1982 Goldwing GL1100. I have replaced the carburetor I have a 1982 Goldwing GL1100. I have replaced the carburetor diaphragms, the pilot jets, and the idle mixture screws. I have cleaned the carburetors. I have adjusted the valves. I have rebuilt the petcoc ... read more Doug E. Vintage M/C restorer Vocational, Technical or Trade Scho 2,485 satisfied customers1982 GL1100: carburetor..The bike idles fine
YOU NEED TO HAVE YOUR IDLE JETS CLEANED AND PUT A GAS FILTER AND REBUILD YOUR GAS PUMP ON THIS BIKE.
ANY ONE OF THESE CAN CAUSE THE PROBLEM AND SO TO BE SAFE YOU SHOULD JUST DO THEM ALL.
IT WILL SAVE YOU IN THE LONG RUN.
Are you using premium gas? Lower octane, especially "oxygenated" which is a fancy name for selling you 10% less gas replacing it for cheap alcohol; burns hotter and can cause this.
It's a carb-fuel problem most likely.
1984 models have the PGs at the back of the engine. The engine has to come out to get at them, or I think you can pull the swingarm instead.
From 1985 the PGs are under the timing belt covers. Still not the easiest to get at.
You are probably a victim of high Ethanol content in your fuel. See if you can find some fuel with out Ethanol. Then see if the problem clears up. Remember, higher octane just means you get more Ethanol and more pinging. My 1975 Goldwing was designed to run on 96 octane premium gasoline (no Ethanol), it runs fine on 89 octane with no Ethanol. If I put 89 octane fuel with Ethanol in my Goldwing it sounds like the heads are going to come off. Hope this helps.
I have the exact same problem it took awhile before I figured it out.This car requires the medium octane gasoline .The 87 octane gas causes the engine to run on the lean side and triggers the "service engine soon light".By putting in a higher octane gas (middle range 92 octane) the light won't come on.Or you can get your service mechanic to set a richer gas mix for your car,however you'll lose about 2-3 mpg .
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