pit bike stalls when i open the throtle quick and if i go over half throttle its bogs down until i let go?

i have just put a new 26mm mikuni carburetor on my 110cc Pit Bike and it doesn't run right what do i adjust to get it to run right because it stalls when i open the throttle quick and if i go over half throttle its bogs down until i let go and also dose that mean that its running rich or lean ?

wen u changed the carb did u change the airfilter aswel. this can ristrict the air and make it bogg. the same for your exhaust, needs to let out more gas. you checked your spark plug? you can tell if its rich or lean that way, look in the manual on how to adjust it if u have one.