air/idle screw question


Information and questions on GL1100 Goldwings (1980-1983)
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trashtruck
Posts: 236
Joined: Fri Aug 31, 2012 7:55 pm
Location: albany, New York
Motorcycle: 1982 gl1100 interstate

air/idle screw question

Postby trashtruck » Tue Apr 23, 2013 9:38 am



i know, daily carb question. does anyone know the answer? when the 82's rolled off the line from the factory, did all 4 idle screws have limiter caps? the reason i ask is that my #3 does not. it is slotted for a screw driver but when lightly seated sits up into the housing, making adjustment difficult. by difficult i mean i have to pull the carbs out, make adjustment, reinstall carb, repeat and it's becoming quite old. my other 3 carbs have the caps, i only have to fight with #3.


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mytown
Posts: 156
Joined: Wed Oct 31, 2012 11:54 am
Location: Carbondale, Illinois
Motorcycle: 1982 Goldwing Interstate

Re: air/idle screw question

Postby mytown » Tue Apr 23, 2013 9:31 pm

Sounds like the limiter cap snapped off. This can happen when someone tries to remove it.
Here's a link to a idle screw assembly that should work. http://www.randakksblog.com/easy-source-for-gl1100-idle-mixture-screws/

As for what was stock, I can't imagine that three had limiters and one did not.

tunaboy
Posts: 144
Joined: Sun Aug 05, 2012 8:46 pm
Location: Milwaukee, Wisconsin
Motorcycle: 1980GL1100 NICE!

Re: air/idle screw question

Postby tunaboy » Wed Apr 24, 2013 6:57 am

On my '80 I ground off the tab on the limiter so adjustments are easy. Mine are 2 turns out from the bottom, the factory spec was 1.5 turns. Bike idles good @ 1000rpm.

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trashtruck
Posts: 236
Joined: Fri Aug 31, 2012 7:55 pm
Location: albany, New York
Motorcycle: 1982 gl1100 interstate

Re: air/idle screw question

Postby trashtruck » Wed Apr 24, 2013 7:21 am

thanks guys. my bike runs smooth, good idle, pulls strong all the way to redline like it should. however, it's only getting 26/28 mpg on the highway. as far as i can tell, nothing is binding/dragging, no hot breaks, wheels fully inflated and spin smooth. timing/valves are correct all 4 cyl fire. not overloaded. there is no over rich gas smell. this is not mine but looks similar.
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