2004 kawasaki kx125 PROBLEMS PLEASE HELP!!!

Just a plug.............Ok. Good work.  
My sponsorships Winners do it in the Corners!

yea it was for a seconded but got the ilding set on the bike and now its not starting again i heated the plug up with a handheld torch and it runs like a second then dies again and the plug is really wet and blackish  

dont burn the plug go buy a new one either elk & i are right & your top end is dead or your running rich
DavidS  
i take a lot of pride in what i am

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ride: 02yz426
local: north east Oregon

terrain type woods with lots of roots & rocks

Hmm. Is there where I can say I told you. jk. You can not reuse fouled spark plugs. Once it fouls you need to toss it.

You said the shop did a leakdown test so your crank seals are good. So now its either jetting or your spark. Take the old spark plug out. Put a brand new spark plug in the spark plug cap. Put the threads of the spark plug on the head. Kick the kickstarter. The spark plug should give you a bright blue spark, a weak or white/yellow spark is bad. If your spark is good then its almost certainly your jetting.  

I m with elko and I really think you need to start focusing on your jetting. Pull the carb and get that thing back to stock and take it from there. It sounds crazy that they only had to change the oil and clean the air filtyer for the thing to start. New spark plug, re jet, and if it does not work then buy a yamaha  
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MIKE
Phoenix, az
(07 yz250)
(99 yz125)


Every bush has its day (sanders, 2009)
Lack of enthusiasm is for the weak and timid. (alex, a.k.a. yz250 forever)

"I know much about nothing at all"(Maple, 2009)

that plug u mean i cant reuse??ok im gonna git rid of this bike if its fouling plugs left n rite  

that plug u mean i cant reuse??ok im gonna git rid of this bike if its fouling plugs left n rite

and im with you on that yamaha thing lol i had a yz250f best bike i couldve owned  

Nope once a plug is fouled its done. Its need tossed.  

ok is this normal or wat??lol kx is junk  

its not that ure bike is chit u need i set right id have the shop cgeck it out once its done the bike could rip  
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live fast ride hard
NOR*CAL
YZ 250

I agree. Its just that jetting is off. I would take up on that shops offer to rebuild it and get the jetting set correctly.  

it will have to wait till next month to get fixed  

it has a stock pipe wiht a fmf powercore 2 and is it possible to rejett it my self??  

If you know what you're doing. But you need to have the top end rebuilt first.  

now what do you mean by top end rebuild?piston and rings or just rings and how would it be jetted with an fmf powercore 2 and stock expansion chamber?? and im getting the kick starter gear fixed too