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Author Topic: Probably a stupid question, but... (carb sync)  (Read 821 times)

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Offline Dimitri13

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Probably a stupid question, but... (carb sync)
« on: July 30, 2012, 09:00:49 PM »
I have to ask it anyway.

Do I need to sync the carbs if I'm ONLY changing the main jet. The idle jets, needle position, and a/f screws will not be changed, and I won't be de-racking the carbs.

I just synced them today, but I KNOW my main jet is one size too large.

I want to say the answer is no, but I thought I'd ask just to be certain.
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Offline cgswss

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Re: Probably a stupid question, but... (carb sync)
« Reply #1 on: July 30, 2012, 09:14:50 PM »
As long as you are just dropping the float bowels, you are doing nothing to effect the sync-so "no"
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Offline lucky

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Re: Probably a stupid question, but... (carb sync)
« Reply #2 on: July 30, 2012, 09:30:50 PM »
No. Syncing adjusts the heights of the slides.
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Offline 750K

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Re: Probably a stupid question, but... (carb sync)
« Reply #3 on: July 30, 2012, 09:43:40 PM »
From my experience yes if you change the needle clip position, at least thats the way the PD's on my 77 cb750 are.


EDIT: my bad, I just realized you arent touching anything but the main jet.
« Last Edit: July 30, 2012, 09:52:02 PM by 750K »
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77 Cb750, 78 Kz1000

Offline Dimitri13

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Re: Probably a stupid question, but... (carb sync)
« Reply #4 on: July 30, 2012, 09:49:45 PM »
Thanks guys. I didn't think so, but wanted to double check. Lucky, I got that hesitation taken care of. My points were WAY out of spec. Just gotta change out that main jet and I think I should be golden. I'll let you know tomorrow.
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