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Choke not working after needle position moved

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IronJimCb:
Hi guys

Since adjusting my needle height on my cb400f the choke has stopped working. When I now have the choke on from cold starts it does nothing in fact it works the opposite when it's on the bike won't start and when it's off the bike will start but I have to give it a few goods kicks to get it going from a cold start. Any shed some light on why it's doing this? Have I adjusted something I shouldn't of ?

Thanks

If you've never owned one you'll never understand

CB400F

Nurse Julie:
Did it start ok with the choke before moving the needles? And, I'm sure you are a very experienced 400/4 owner but are you sure you are putting the choke lever  in the correct position for ON/OFF, the arrow on the lever can be somewhat confusing (Don't ask me how I know that !!!!)

IronJimCb:

--- Quote from: Nurse Julie on September 07, 2016, 04:54:41 PM ---Did it start ok with the choke before moving the needles? And, I'm sure you are a very experienced 400/4 owner but are you sure you are putting the choke lever  in the correct position for ON/OFF, the arrow on the lever can be somewhat confusing (Don't ask me how I know that !!!!)

--- End quote ---
Yep it worked perfect before hand when the choke is on its In the up position towards the sky. when the choke is off its down towards the ground....I think lol

If you've never owned one you'll never understand

CB400F

Chris400F:
I was getting confused, had to go and look at the bike ....
In the up position the choke flaps are closed, in the down position they are open.
I'm guessing by 'On' you mean when the flaps are closed, I am more familiar with 'Open' or 'Closed' terminology but maybe that's just me!
Anyway, before this, I was going to suggest that you check the choke flaps are actually doing what you expect.
I know this means at least partially removing the airbox, but it shouldn't take long to get to a point where you can see the movement of the choke flaps.
At least that would prove that part is working as it should.

IronJimCb:
If the choke is on the slides are closed to reduce air and increase fuel ? If the choke is off then the slides are open to let the air through? 

If you've never owned one you'll never understand

CB400F

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