Other Clutch not disengaging?

I was riding my 107cc pit bike yesterday and I held in my clutch and started shifting down and while holding the clutch it engaged when I hit 1st gear. Since that it won't disengage. I can shift. But the clutch isn't doing anything. I don't know the make or model of my bike. It fits a Honda crf 70cc clone panel set. But any help would be appreciated.
 

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Well I cleaned some parts, threw it back together, still nothing. But I crammed it into each gear at high rpms with new oil (Mobil 1) and that fixed the clutch. But I went to start it up and engine won't turn over. Not sure why. Thanks anyway.
 
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