return to idle

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Torque818
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return to idle

#1

Post by Torque818 »

Just got her running after rebuilding carbs, first time getting her to idle, idling at around 8-900 rpms, but when I blip throttle it takes about3-4 seconds to return to idle. my thinking is I need to lean out (screw in) idle mixture screws is that correct? any advice will be appreciated.
1980 GL1100
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chewy
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Re: return to idle

#2

Post by chewy »

bump, i have the same condition. started a thread and got no reply. i'll be watching for suggestions.
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RB
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Re: return to idle

#3

Post by RB »

Could be a lot of things; sticky slides comes to mind first.
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Recycled Roadkill
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Re: return to idle

#4

Post by Recycled Roadkill »

If everything on the carbs were done correctly and there's no other problems all you may need is to sync the carbs.
It's pretty easy but if you don't have the proper equipment it become a bit more of a problem.
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salukispeed
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Re: return to idle

#5

Post by salukispeed »

The slide operation is terribly important but I do not believe they come into play until 1/4 throttle and up. A sticky mechanical advance under the points can cause this issue if it is slow to return to base timing. Vacuum leaks between the manifold to head or manifold to carb can affect idle stability. Proper sync can be critical also. what year is your bike?
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Torque818
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Re: return to idle

#6

Post by Torque818 »

the bike is 1980 , idle is nice, just slow to return, but honestly this is my first goldwing, all other bikes were high performance sportbikes, maybe this is normal for a goldy I don't know.
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Neil
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Re: return to idle

#7

Post by Neil »

Mine does that too (my carbs have been rebuilt and synced). Go to you tube and search for gl1100 exhaust and you will hear them coming back to idle slowly, Not anything like a quick sport bike.
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pistolpete
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Re: return to idle

#8

Post by pistolpete »

My.02.
Typically slow return to idle is a lean condition.
Try the idle down procedure first then be sure that the pilot screws are at 1.5 to 2 turns out from idle down.
If this doesn't work you may have an air leak into one or more cylinders.
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Placerville
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Re: return to idle

#9

Post by Placerville »

Prior to making carb adjustments, always consider whether you've done due diligence with the basics. (The basics are most often overlooked.) First, are you sure that your throttle cables are clean, lubricated and adjusted properly? Is the tube under your grip (that rotates on your handlebar) lubricated? Jumping to the more complex issues first without looking at the basics will always trip you up. Ensure that your cables and throttle tube are clean and lubricated and that the 'A' cable is adjusted so that a small amount of slack allows the carbs bell crank to return completely to a rest. Once that's done, start looking at other issues.
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robin1731
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Re: return to idle

#10

Post by robin1731 »

pistolpete wrote:My.02.
Typically slow return to idle is a lean condition.
Try the idle down procedure first then be sure that the pilot screws are at 1.5 to 2 turns out from idle down.
If this doesn't work you may have an air leak into one or more cylinders.
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Torque818
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Re: return to idle

#11

Post by Torque818 »

opened the screws up 3/4 turn and it's much better thanks guys!
1980 GL1100
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