hey guys jsut pickeudp a crf50 2005, starts right up but kinda bogs off the first, and when u hammer it in neutrala itll stall out, slowly giv er gas n shes good, filters clean, what else? its old gas runnin through it form last year still but anything else?

Change the gas, oil, and plug. If that doesn't fix it, pull the carb and give it a good cleaning. Those things a pretty tough, it shouldn't be too much.

Are there any mods on it?