The carb probably does not need a main jet change. You cannot accurately decide if it is rich or lean based on smell, you must do a "plug chop" which means run the engine for 20 miles or so and then with the engine off, check the color of the resistor of the spark plug. It should appear coffee colored. If it is grey or white, or has ashes it is lean. If it is black or very dark brown, or has sludge, it is rich.
Do not run your bike inside your garage, even with the doors open! That is at the very least severely intoxicating and highly potentially fatal!
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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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