Tboltusa hands down the best place to buy your pitbike. I purchased a ssr125tr about 3 years ago, and its still running somehow. Its been full submerged in a river, beaten to hell on the track, and gone through a 10hour continuous ride through the mountains of Ruidoso NM. Cannot believe the damn thing still runs and looks good. I replaced the rear shock with a fastace shock. Threw some new piston rings in it this past summer, still the stock bottom end. Oil cooler installed, pro taper bars... oil temp sensor/readout. Hands down the best purchase ive made in a long time. Ive had brand new ktm 450s, cr250f's yfz450... tons of bikes and quads, and this is my favorite bike at the end of the day. I am upgrading my engine with one of the Piranha 140cc engines through tboltusa this next spring. Should be a whole new beast!