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Gunson Colortune result

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El__burro:
Good day,
I have purchased a Gunson Colortune to get the carbs right on my K2.
Cylinders 2, 3 and 4 show a nice blue spark;
the problem is with cylinder 1.
The only way to see it turning towards blue is to unscrew the air/fuel mix screw completely and that is at idle only.
Whats your opinion?

Thanks
el__burro

hairygit:
Float too high or blocked/restricted air passageway

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El__burro:

--- Quote from: hairygit on May 31, 2018, 06:21:28 PM ---Float too high or blocked/restricted air passageway

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--- End quote ---
thanks, i'll check the float and air ways.
el__burro

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El__burro:
Cleaned all carbs and check the floats (all at 26mm) no result.
All carbs need to be screwed out to almost all out to achieve a blue explosion.
I reckon it is because I have lifted the needle so it needs more air to balance the extra fuel going through?
Thanks
el__burro

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K2-K6:
I can't remember if you're running modified air filter or standard type on your bike. It'll impact what you are now trying to do, so you need to post setup as it currently exists, plus if you've got any non standard jets fitted to help in advising you.

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