Question about 2004 kawasaki KX 250

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I have a 2004 kx 250 and it runs for about 10 mins on a new plug then cuts out

My kx runs on a new plug for about ten mins then cuts out but then when you take out the plug and clean it it will start and run for less than a minute then die and it splutters when running as if the choke is stuck on but its not! need help asap!!!

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  • 430 Answers

Sounds like a failing ignition coil or trigger. If you let it cool for a long while it will closer to ten minutes and the plug is dark and fluffy then its weak spark. Check the coil ground and wire condition also.

Posted on Oct 25, 2012

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Posted on Jan 02, 2017

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SOURCE: My KX 250 keeps dying on me

try nexted hottest plug for ex. i had a b8eg standard and went to b7eg

Posted on Jul 12, 2009

Audioaholic
  • 376 Answers

SOURCE: motorbike wont start after running engine

possible bad rings allowing excessive oil seep up and wash spark out on next fire. do a compression check, ck for proper spark, and fuel....hope this helps

Posted on Sep 13, 2009

Testimonial: "cheers i will compresion test and let you know"

  • 164 Answers

SOURCE: klx 250 will not start new battery new spark plug

You say you cleaned the carby sounds to me likethe beast is either sucking air around the inlet manifold or that the float needle is stuck in the seat.recheck the fasteners at the manifold remove the float bowl & check the needle & seat takeing particular care to make sure there are no small particles blocking fuel flow throug the needle & seat. regards geoff

Posted on Apr 24, 2010

RaidX
  • 632 Answers

SOURCE: Kawasaki Ninja 250 running problem

This could be due to timing screw being incorrectly set
Locate gold timing screw on the carbrettta turn it clockwise only slightly till bike idles without choke on, Then when choke it on it should idle a touch higher.

Posted on Jun 22, 2010

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May 29, 2012 | 2004 kawasaki KX 250 F

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It back fires when i let off the gas and will run for about ten mins then just quite and it will start i thought it mite be that i have bad gas or the spark plug faled or my valves need adjusted do you now...


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It could be valves , check all the valve clearances.
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Aug 10, 2010 | 2004 kawasaki KX 250 F

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I have a kx 250 2004 and i can ride it for about 10 min and the engine seizes up on me what could be the problem?


im presuming its a two stroke it sounds like the two stroke oil pump-which is starving the engine of oil-change the pump before u destroy the engine-this is not a maybee,your engine will need a total rebuild if u carry on riding with this problem!!!!!!!!!!!!!

Aug 10, 2010 | 2004 kawasaki KX 250

1 Answer

What could be causing a 2001 kawasaki kx 250 to continue burning spark plugs out?


incorrect jetting
incorrect ignition timing
incorrect plug heat range(could run a 9 or 10)
intake leaks
exhaust leaks
incorrect fuel oil mixture
overheating
is it burning the electrode off or carbon fouling the plug
sorry for the long list, there is probably a few you might discount as you have already checked

Apr 26, 2010 | 2003 kawasaki KX 250

1 Answer

Kx250


Check gas cap vent by running with cap loose.If this clears it up go with a new cap and vent hose.If not check the engine compression.

Jan 24, 2009 | 2003 kawasaki KX 250

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