First question is about the 2011 dirtbikes maintence all brands and second is what is so good about fuel injection?? 1. Are the 2011 450s good on maintence like does honda eat valves or is that a myth basically pros and cons of maintence on these bikes..... 2. whats so good about EFI i mean i know it doesnt get flooded but does it have more power or what? and does it wear more parts than a carbuerated dirtbike? not knowledable in 450s:banghead: plz help! oh yeah one more are knee braces helpful or harmful i hear they can break your leg but save your knee?