Hey now ya'll,not new to the seen but new to the forums.And Im here now cause I need info.Right now I need info on the Keihin carburator.I have one on a yd100 w/reed valve.Motor seems to run good but tops out at 35mph.I should be hitting at least 45mph no problem.So what do I need to do get bigger jet?Anyone?Im running the "Raw Racer III"Is there a carb I could buy that really doesnt need any adjusting?One I could just install and be done with it?Help me out here thank you