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June 28th, 2017, 10:14 PM   #1
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Setting the clip on the neadle

Hi all just setting my carb back to std the clip says put on no 3 is that from top or bottom of the needle as there are 5 places to put it thanks all
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June 29th, 2017, 12:58 AM   #2
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No one know
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June 29th, 2017, 01:21 AM   #3
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Hi

Sorry can't remember your carb/bike

But for general info, the needle will affect the mid range of the throttle, so you might have to make some tests to feel the difference.

If you push the needle down (clip up) you will be leaner or the opposite.

As a guide, first it will be PJ working, then needle, then with everything opened will be the MJ.

One way to test is to try to go as lean as you can, then back off a bit, to be safe.
You should also make only one change at a time, so you don't get confused. Make a change a test the result of it.

Hope this helps a bit


ZAGA
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June 29th, 2017, 01:23 AM   #4
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It's in the middle.

With 5 grooves it doesn't matter if you take from the top or bottom.
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June 29th, 2017, 04:43 AM   #5
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Originally Posted by Alan View Post
It's in the middle.

With 5 grooves it doesn't matter if you take from the top or bottom.
hi sorry just looked and its only got 4 grooves so still dont know will just keep trying to get it right
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June 29th, 2017, 04:44 AM   #6
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Originally Posted by zaga View Post
Hi

Sorry can't remember your carb/bike

But for general info, the needle will affect the mid range of the throttle, so you might have to make some tests to feel the difference.

If you push the needle down (clip up) you will be leaner or the opposite.

As a guide, first it will be PJ working, then needle, then with everything opened will be the MJ.

One way to test is to try to go as lean as you can, then back off a bit, to be safe.
You should also make only one change at a time, so you don't get confused. Make a change a test the result of it.

Hope this helps a bit


ZAGA
it on a 2002 fe 400
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June 29th, 2017, 05:57 AM   #7
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I found a Delorto doc that shows the notches counted from the blunt end down. So 4th notch is closest to the point of the needle.
With the sharp end pointing down, 1st is at the top and counts down to 4th at the bottom.
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June 29th, 2017, 07:00 AM   #8
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Sorry didn't read your first post with much time

Here you have the needle, it's like this

Attached Thumbnails
Setting the clip on the neadle-dell_needle.jpg  
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June 29th, 2017, 07:08 AM   #9
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Here you have a dellorto manual

It's not specific about your carb, but if you like the subject it's an interesting reading


ZAGA
Attached Files
File Type: pdf dellorto_motorcycle_carburetor_tuning_guide.pdf (658.3 KB, 11 views)
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June 29th, 2017, 08:29 AM   #10
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Originally Posted by GWS1 View Post
I found a Delorto doc that shows the notches counted from the blunt end down. So 4th notch is closest to the point of the needle.
With the sharp end pointing down, 1st is at the top and counts down to 4th at the bottom.
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