not firing on one side

Information and questions on GL1100 Goldwings (1980-1983)
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Location: Canton, OH
Motorcycle: 82 GoldWing GL1100 Aspencade, 86 Goldwing GL1200 Aspencade

not firing on one side

Post by slowridetak59 » Tue May 19, 2015 4:00 pm

Hi All to start off I'm a new Goldwing owner always wanted to get on but never really had the opportunity to. Anyway I just picked up a 1982 Aspencade that has been setting for a while. I haven't really had the time yet to tear into it yet but when I picked it up when you start it up it is shooting gas out the left exhaust side and trying to run on the right side. Any suggestions to start with first? Is there something I can put in the gas first to see if it will clean up the carburetors on that side before doing a complete teardown. Any and all suggestions greatly appreciated. Thanks and you all stay safe out there

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Re: not firing on one side

Post by RBGERSON » Tue May 19, 2015 4:25 pm

sea foam..the best/most used..but gas shooting out the exhaust is floats or flood needle issues..remove carbs and clean/rebuild. Also could be bad petcock always turn it off when not running the bike.


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Re: not firing on one side

Post by HawkeyeGL1200 » Tue May 19, 2015 5:07 pm

When my (1200) wouldn't fire properly on the right side, it turned out to be inadequate fuel flowing from the fuel pump... so your trouble may be blockage ahead of the pump, a failing pump or mung in the carbs... If you haven't (yet) changed the filter, I'd start there, and then pull the outlet side hose off the pump and put a temporary hose long enough to try the pump (crank the engine to see how much fuel the pump puts out into a fuel can). If the pump is okay, then I'd say the carbs may be mucked up.
I am wrong as often as I am right concerning what is wrong with someone else' motorcycle without having seen the machine in person. Guessing with limited information, as to the source of the trouble, is sketchy at best.

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Re: not firing on one side

Post by WingAdmin » Wed May 20, 2015 9:05 am

Gas pouring out of the exhaust is usually caused by a stuck float. This is bad, as it's gas washing the cylinder walls, which means the cylinders on that side are not being lubricated properly - the oil film that coats the cylinder walls for lubrication is being washed off by the gasoline flowing through the cylinder.

You'll also want to change the timing belts, unless you have direct evidence that they were recently done by the previous owner.

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