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2003 CRF 450 Hang Idle

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Hi all i am new to this forum would like to say hi to all. I bought a 2003 crf 450 to go back to dirt riding after many years on the street. I have rebuild the motor new crank piston seal bearing etc valves are shimmed perfect no leak through . My problem is i am having a hang idle if i adjust the air screw it really does not have any affect on anything tried unplugging the TPS no difference and it pops allot. I have cleaned the carb it is spotless  it has the red air adjustment on the carb so easy to do while on bike.also front pipe glows red aft 2min or running 

 

any suggestions would be great  am thinking of changing the needle and tube also i did check the intake for leaks 

 

thanks Jim 

Edited by ossjughead

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got it all fixed up perfect. I am a dumb ass put the carb slide plate upside down lol 

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