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2005 Honda crf450 feels like very little compression

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Ok so I bought this bike used have but around 30 hours on the bike in the last few months. But this last trip out to the track the bike was getting harder to start when cold. But when warm it was not as bad. And when I go and kick it feels like almost no compression but the bike runs good when it's on and has no lack of power. I have gone through and checked the valves they are adjusted in spec. New spark plug. New air filter. I don't know the carb I cleaned it out running a little better and the bike doesn't want to idle. Please any help

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If it's just a idling issue either you pilot jet is clogged, you should be able to barely see light through it when you hold it up to a light OR you put your vacuum plate back in upside down. This plate I'm referring to is the one that's part of the slide

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