How to richen carb top end on preadator 212

#1
So i’ve narrowed the problem of my bike losing power and shutting off up top to running way to lean. It’s got bigger jets in it and everything with the stage 1 kit. Is there anyway I can richen it more up top?
 
#2
You can try an even bigger jet, or maybe just a different emulsion tube. There are a few videos on youtube that explain how the different variations of emusion tubes can change fuel mixture throughout your RPM range
 
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