Very uneasy about the air filter system got it used and never seen one before overall bike very cheap made not to happy with carb set up and air filter anyone know any thing about these bikes i cant find any parts anywhere had to cross ref. the plug at a local auto parts not sure about the mixture just going by common sense ive had bikes my whole life and i ran it first at 32:1 Then lean out to 40:1 still eats plugs and covers swing arm in oil using bel ray oils ill prob go to 50:1 next doesnt really matter to me might run better for a least a week if anyone knows anything about this cheap glorifed bicycle with a weedeater motor get back at me lol