Carb bench sync question
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Re: Carb bench sync question
Aaha, idle adj and idle mixture adj! Of course!
Appreciate good people: they are hard to come by.
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Re: Carb bench sync question
OK got it running and it certainly seems better. It takes the revs nice and then the revs drop nicely as well. Problem now is it doesn't want to idle and it seems the idle screw isn't doing anything. As Pete said to set it at three full turns and I niow have it about five turns in and it still won't idle. I have not touched the. Sync screws yet as I want to make sure I do not lose their current settings. I am thinking I need to open the butterflies a tiny bit on one, two and four Carb? Your thoughts?
Thanks
Thanks
- pistolpete
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Re: Carb bench sync question
To all,
Just a side note:
This procedure may take a time or two to "feel" that the positions are all closed.
Generally this will get the carbs fairly close from 78 thru 83.
75 thru 77 may not be as easy to do because they are a little more finicky.
kgdb,
Try a little more on the idle screw to see if it will idle.
Pete
Just a side note:
This procedure may take a time or two to "feel" that the positions are all closed.
Generally this will get the carbs fairly close from 78 thru 83.
75 thru 77 may not be as easy to do because they are a little more finicky.
kgdb,
Try a little more on the idle screw to see if it will idle.
Pete
Pistol
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Re: Carb bench sync question
Hi Pete, I am just doing the process all over to ensure I had it right. Will post back shortly. Thanks
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Re: Carb bench sync question
Well no such luck redid the process and it doesn't want to idle. Have the idle screw in about eight turns?
Also I have the pilot screws set at 1 3/4 turns out.
Also I have the pilot screws set at 1 3/4 turns out.
- pistolpete
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Re: Carb bench sync question
kgdb,
Your engine should be screaming at eight turns.
Is this in fact the case?
Pete
Your engine should be screaming at eight turns.
Is this in fact the case?
Pete
Pistol
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Re: Carb bench sync question
Well one would sure think so but it just won't idle. Throttle response is real good at 2500 and up but no good and sluggish below that?pistolpete wrote:kgdb,
Your engine should be screaming at eight turns.
Is this in fact the case?
Pete
- pistolpete
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Re: Carb bench sync question
kgdb,
It would seem then that something else is amiss.
Where is it "idling" now? (rpm)
It would seem then that something else is amiss.
Where is it "idling" now? (rpm)
Pistol
- pistolpete
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Re: Carb bench sync question
It sounds like the primary jets are stopped up. (The ones that are pressed in.)
Pete
Pete
Pistol
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Re: Carb bench sync question
Well maybe I will pull the carbs and check that out? Really appreciate your help.
- pistolpete
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Re: Carb bench sync question
kgdb,
These jets are a real bugger to clean.
They were replaced later in the model with removable ones.
The jet has openings for air as well as fuel.
It also has an opening at its very bottom (actually top when viewed with the carb upright) for both to get to the transfer ports. It is this opening that may still be clogged.
Pete
These jets are a real bugger to clean.
They were replaced later in the model with removable ones.
The jet has openings for air as well as fuel.
It also has an opening at its very bottom (actually top when viewed with the carb upright) for both to get to the transfer ports. It is this opening that may still be clogged.
Pete
Pistol
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Re: Carb bench sync question
OK, I am going to pull the carbs and see what I can do. Is there anyway to get them out?pistolpete wrote:kgdb,
These jets are a real bugger to clean.
They were replaced later in the model with removable ones.
The jet has openings for air as well as fuel.
It also has an opening at its very bottom (actually top when viewed with the carb upright) for both to get to the transfer ports. It is this opening that may still be clogged.
Pete
I have a old set of carbs here, I will see if I can figure a way to get them out
- pistolpete
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Re: Carb bench sync question
kgdb,
They are not removable
Please don't try that.
A good (non rubber damaging) carb cleaner can help.
Turn the carb set over and fill that tower opening.
The cleaner should drain thru if the passages are open.
Pete
They are not removable
Please don't try that.
A good (non rubber damaging) carb cleaner can help.
Turn the carb set over and fill that tower opening.
The cleaner should drain thru if the passages are open.
Pete
Last edited by pistolpete on Sat Nov 16, 2013 5:48 pm, edited 1 time in total.
Pistol
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Re: Carb bench sync question
getting them out in one replaceable step is best left to the professionals. sonic cleaner, carb cleaner, and compressed air is the easier. just like the man said
1978 custom GL1000
1977 custom with 1200 engine
1985 gl1200
1977 custom with 1200 engine
1985 gl1200
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Re: Carb bench sync question
I just got two of the out of my old Carb set. Should I live on the edge and try get them out on my good carbs, decisions decisions.........
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