I know nothing about dirt bikes, none the less my son is into them at age 7 and got him a xr50... Me a 4 wheeler, now thinking of a crf250r 2005.. freind has one and i can get it dirt cheap but not a huge maintence person,i can change oil and filters and air filters... in short is this bike dependable just light trail riding, i know it is a race bike but 4 strokes are the way to go right?