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Author Topic: Needle notch position  (Read 902 times)

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Offline stevenmgrr

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Needle notch position
« on: July 28, 2008, 07:30:30 PM »
Where should I position the needle clip for my 71 CB500 carb rebuild.  I am using the standard airbox and a Jardine 4-2 exhaust.  Should I just set it in the middle to start?  The carb that I disassembled had the clip one notch below the center.  Is there a 'standard' position from the factory?

Steve
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'71 CB500 K0

martino1972

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Re: Needle notch position
« Reply #1 on: July 28, 2008, 07:53:33 PM »
yep,start in the middle notch.....then test drive your bike and see what she does...adjust when needed..
there's not really a standard setting due to too many factors,alltitude, exhaust system,air cleaner etc..
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Offline stevenmgrr

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Re: Needle notch position
« Reply #2 on: July 28, 2008, 07:59:42 PM »
Great, my intuition was correct.  Thanks
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'71 CB500 K0

Offline Deltarider

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Re: Needle notch position
« Reply #3 on: July 29, 2008, 07:24:14 AM »
If there are five positions start with the middle one, when there are four, start with the 3rd from the top.
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Offline NCSUEngineer

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Re: Needle notch position
« Reply #4 on: September 16, 2008, 05:05:19 PM »
I'm gong to be running pods eventually..so should i set the needles up one or two places from the start?
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martino1972

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Re: Needle notch position
« Reply #5 on: September 16, 2008, 07:01:57 PM »
nope,start in middle position on the neddle,select main jet so it's close to perfect,then fine tune with needle....
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