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2001 Yamaha Kodiak Idles but stalls when throttle is pushed

2001 Kodiak 400.... cleaned carb completely, jets are clear... new needle and seat......air/fuel screw set at 2-2.5 turns out... will start and idle, but coughs back fuel, loads up, and then stalls out as soon as I push the throttle. Think the float height is set at 13mm...tried all different adjustments with no luck. Ran fine until the needle and seat started leaking...pulled apart to replace them and now this problem. Help!!!!

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: klx 110 2006 stalls when choke is pushed in

i'd say the carb is gummed up especially the pilot jet (#16158) in this pic of the USA carb. may have to remove the carb & bowl and then remove the pilot jet (w/ flat head screw driver) and clean out the tiny holes.

http://partsfinder.onlinemicrofiche.com/atlanticcycleandpower/Kawasaki_OEM/KawasakiDB.asp?Type=18&A=39&B=17&Action=O

-OR-

the carb slide is installed backwards (turned 180 degrees). its #16025 in the pic. i've done this before on my daughter's XR70 and Z50. you'll know if its this when you move the choke lever, RPMs increase and decrease.

hope this worked for you and was fast enough.

Posted on Feb 06, 2009

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SOURCE: hi (.honda cb 400-4)

Were the jets the same size? Just because the numbers were the same does not assure you that someone has not used a jet drill to enlarge them. Pull the low speed jets and compare them with the old ones, using a wire gauge or set of number drills.

Posted on Apr 02, 2010

HansPP
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SOURCE: took carb apart to clean

Are you sure that the needle is fitted correctly and that the float level has not changed. There could otherwise be something clogging the main jet or the passages to the jet.

Posted on Apr 18, 2011

  • 27 Answers

SOURCE: 99 kawasaki kx 125 2-stroke wont start or stay

I would check the compression of the piston, the rings could be stuck and not have good compression. It should show 120 psi or more. Also can pull off the exhaust and look in the exhaust port to see the rings, piston, and cylinder walls. If the motor has a power valve make sure that is not gummed up or stuck. Mark C

Posted on Jun 02, 2011

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You need to removed the main jet and run a small piece of wire through the main jet to clear it. This is a good time to look at the inside of the float bowl to see if you have excessive water, rust or dirt accumulating that is a sign you should clean and drain the fuel tank and lines as well. The main jet is actually the bolt that holds the fuel bowl on the bottom of the carb! You need to look very close at the jet near the top of the threads to see the little whole there and clean it. A wire brush to clean off the threads and fine piece of wire strand to clean the hole will do the trick!

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