How to disconnect thrttle cable from carb on artic cat 400 atv 4x4

check carb may need cleaning rebuild or replacement also check primer unit for possible failure

https://www.youtube.com/watch?v=EdUsmF8jQkY

typeb in info for service manual https://support.countrycat.com/

Its been atleast a month or 2 since ive worked on one of these, however im sure this will help you. If you follow the throttle cable to the carburetor (see my pic) on the throttle side of quad it will go into the side of the carburetor. You can remove the plate (circled in pink) to expose cable. Once plate is removed, you can see (circled in yellow) where the throttle cable end locks into. Carefully manuever the cable to come out. Do whatever you need to do, and do the opposite to reinstall. Hope this helps and best of luck. If anymore issues, reachout on here and ask or try to msg me on here ill help if i can.
Cheers

"ATV" service and repair manuals - CRXSi.Com

www.crxsi.com/reference/manuals/atv/
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They are available through a artic cat dealer, thats where I would go first. These aftermarket ones I just dont like in this application

Does your artic cat have a carb cable if so it will have an adjustment or a clamp on the cable where it attaches to the linkage..check make sure it is set to low idle..and your idle screw is adjusted to low idke..meaning cable adjusted to lowest possible position when the throttle is released..then make your final adjustment using you idle screw..good luck

From what I understand it is stamped on the left side of the cylinder head, behind a hose.

If this does not help, contact artic cat dealer and speak to a service rep.
Hope this helps!

sounds like the throttle cable is sticking insde the jacket.
here are the service manuals for all Arctic cat ATVs

Parts House Lawn Mower Parts and Chain Saw Trimmer Parts

Here are the service manuals for all Arctic cat ATVs

Parts House Lawn Mower Parts and Chain Saw Trimmer Parts