[Kimishyoko]

Ok i know this question has been answered multiple times but this is the deal, i got a lifan engine 150cc baught today 120$ i began to drive it and when i go over quarter turn the bike bogs and like lags wont actually power on and lots of popping like backfiring, i am running rich very infact but the thing is i have cleaned my carb 3times over i have adjusted the mixture screw every turn possible and the bike will still bog over quarter throttle i have also moved the throttle pin on every notch i have and i am stumped for any other more ideas what it could be any help would be apreciated. i cant seem to get out of being rich on my spark no matter which way i adjust my screw