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the LARGEST main jet your bike should use is #78, but I'd use a 74 or 75. Your mainjet is way too big.
Your second issue is an open element filter, as that is far too lean.
So basically, your carburation is off at BEST. So let's start there.
Close your mixture screw (BUT DO NOT TIGHTEN, only close). by turning screw clockwise until it stops. Then turn the screw COUNTERCLOCKWISE 2 and 1/2 turns. This should be BASE MIXTURE, your bike should run, you might have to turn up the IDLE SCREW to get a solid idle.
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2011 Roketa MC-23-150
4T 150cc 157 qmj
24mm carb w 115 main jet and paper cone air filter
Manual petcock w Tygon fuel lines
Scrappy Dog Scooters Retro-slash stainless straight-thru exhaust
RED spring clutch
Adjustable CDI (brand unknown, it's blue and red and works great!)
KOSO high performance variator w 12g sliders
Gates Powerlink 835-20-30 belt
GPS verified 65mph on flats.
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