Won't idle

?
oil injection or are you pre mixing?,stale gas
airscrew setting?
compression test?
baffle in that stock exhaust header could be crapping the bed
who knows....if you did not measure bore/honed/bored before you bought piston,have not leak tested,have not compression tested....who knows, it was probably overheating if your gaskets were bad and it was being driven.
It's premixed new gas and I did measure before I bought piston
 
is that your throttle cable on the wrong side of bars?

low 1.png
 
I'm pretty sure I found the problem I took the reed cage back off and found that one of the reeds is broke off so I'm ordering new ones and that should do it
 
If I get this reed cage would I need to get bigger jets in the carb or anything
 

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After you fit the new reeds you will need to leak test again to see if they are air tight.

Your words were "if I get this reed cage".