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2009 kx250F dies when i pull clutch in?

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2009 kx250f just had new piston and rings and valve shims done around 13 hours ago. last time i rode it everything was fine it was running the best it ever has now its &%$#@!ed again. It will start fine when cold and starts first kick when hot but when i pull the clutch in it will just die instantly, like straight away. it was still doing this after riding for a few hours. Any thoughts? need new valves?

I wouldn't have a clue what it is so please help! Thanks

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So if you are in neutral and the bike is idling and you pull in the clutch it dies ?

 

or is it when you put the bike in gear that it dies ? 

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sounds like clutch is sticking/out of adjustment. pull off cover and check plates, probably grooves in the basket

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So if you are in neutral and the bike is idling and you pull in the clutch it dies ?

 

or is it when you put the bike in gear that it dies ? 

both, nuetral or in gear, the bike wont idle. as soon as i pull the clutch in it will die.

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So if i am understanding this correctly the bike will not idle when hot, the fix might be as simple as turning the fuel/idle adjustment on the side of your carb, if you turn it clockwise it will increase the idle.

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So if i am understanding this correctly the bike will not idle when hot, the fix might be as simple as turning the fuel/idle adjustment on the side of your carb, if you turn it clockwise it will increase the idle.

 

I agree must be a low idle condition 

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both, nuetral or in gear, the bike wont idle. as soon as i pull the clutch in it will die.

 

In Neutral the clutch being pulled does not affect the motor.

 

i doubt its a clutch problem  

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Then you have an air leak somewhere or the pilot circuit on the carb is blocked check following

 

Pilot jet and passages

Fuel Screw o ring still in place

Slide plate not in upside down

Slide plate o ring still ok

Air leak on the manifold rubber  

Hot start lever sealing 

Edited by Shawn250

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