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Discussion Starter · #1 ·
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Was wondering if anyone could tell me why my '83 GL1100 Interstatestutters when riding in higher gears. If I'm going along in 4th gear or higher and open the throttle more than a hair, it starts stuttering and may or may not gain speed. Any thoughts?
 

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Ok, anything else before i pull the carbs to check? I've already set the valve clearances and all that other fun stuff, then sync'd the carbs. None of that seemed to help. I should add that this happens pretty much only when I'm cruising with rpms under about 3500. Above that range it will usually go faster without to much of a fight.
 

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Hey cbach...welcome!

Did you run a can of seafoam through a tank or 2 of gas & check the condition of the plugs?

Dave
 

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Could be:



Plugged fuel filter

Gas Cap not venting

Fuel pump heading south

Pumper diaphragm worn

Sliders sticking.



I'd check filter and gas cap first........they are the easiest. Verify thefuel pump pressure. If not them......I'd check the sliders. Make sure they aren't binding. If they have score marks on them.......hit them with some fine emory paper or steel wool and polish 'em up. If none of those get it........clean the carbs, replace parts as needed, and rebuild the pumper.
 

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Welcome from the state of Pennsylvania!





 

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Discussion Starter · #7 ·
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I put a new fuel filter on it already, but the gas cap is something I hadn't heard of. I heard pressure escaping when I open the cap. Is this a sign of something wrong? I just figured it was a pressurized system. (I bought the bike about 2 months ago, so I'm still a Goldwing noob. LOL)
 

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Hey cbach1981,

The gas cap vent being plugged is quite common. The “wosh” that you hear is a vacuum and not pressure. As you use fuel the tank can’t get out side air to fill the space due to the plugged gas cap. Although your fuel system is pressurized, that’s after the fuel pump. There is no pump that pressurizes the tank.

I had this problem after I purchased my 82 Aspencade. It was not until I realized after putting clues together from other posts that I fixed (or managed) my own problem.

After filling up the bike with gas, I would head out to take a bit of a ride. I found that I was not getting a very good mileage from a tank before the engine would sputter and I would have to switch over o the reserve. I would look at the gas gauge and I would still have about ¼ tank left. The carbs have never been done and the bike did sit for an extremely long time before I got it. I just thought it was gummed up carbs and had them removed, cleaned and rebuilt.

The mileage got a lot better but would still sputter around ¼ tank, especially on longer trips. Just “jigging” around town would not show this problem as bad or not at all. I just thought the gas gauge was off and was going to ask anyone if there were adjustments for this. I also noticed that the engine did not perform well when I was around ½ tank of gas. Kind of sluggish in the pickup.

Then I read a few posts about fuel issues and people hearing a “Whoosh” when they took the gas cap off. I guess it was not supposed to do that. I hear it all the time on my Toyota Echo and I never gave it a second thought. Then something clicked in that slowing down brain of mine. There was a vacuum forming in the tank. Could this be the problem??

Sure enough it was! I did several longer rides of 200km or so (which I always had the problem) and would loosen up the gas cap now and then while in flight. Instant success. The engine now sputters only when truly running out of gas. The gauge is in fact right on. The power is back on the entire tank. HA!! I am sooooo proud of my wee little brain at times!!

You can either get a new cap from Honda or soak your old one in WD40 or Seafoam for a few hours and then whacking it down firm a few times on something hard in the same direction as if it were on the tank. I did mone on a 2x4. I did that twice. Haven’t had a problem since. That’s 15 months ago and almost 10k km.

Tim.
 

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Discussion Starter · #9 ·
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Great magic, sounds like my problem. Terrible mileage, about 28 - 32 mpg currently. Gonna see if I can find some sea-foam as that seems to be the product of choice here. Also gonna try the loosening cap trick you described. Thanks for the post!
 

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1987 GL1200 Interstate
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Welcome to the forum, Cbach.

I think trying to roll on a GL11below 3500 rpm, you are lugging the engine. Some of the above suggestions may help but I don't think you will ever change the nature of the beast.
 

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Discussion Starter · #11 ·
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Thanks, Dennis. I was wondering that also. This is my first real cruising bike. I've owned a CX 500 Deluxe and a CB750 Custom, and was always racing them up to higher RPM's, but was thinking that with the goldwing you could run it at a lower engine speed. Maybe I need to just quit babying it and let it go.LOL
 

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1993 gl1500, 1976 gl1000
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The 83 is the highest geared of the 1100s. 5th gear is considered overdrive. Even if you have another problem and resolve it she won't like low rpms in 5th gear.
 

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My guess is that there's still some crud in the idle circuits. My 'Wing had the same symptoms and it proved to be that one or some of the holes that are right where the throttle butterfly closes in the venturi were blocked.
 
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