Hi, My name's Eric and i'm a Yamaholic. I recently picked up my 1st shee, bone stock 87, tore it apart cause i wanna get an a-arm frame. I'm looking at getting some newer carbs and need some input. All this chit about 28mm-36mm, flat-side/round-side..etc. makes my face hurt. I definitely wanna get rid of that TORS crap as well. I don't have any pipes yet either. I ride mostly trails, sand/gravel pits and i'm about 1100ft. above sea level. I live in the sticks of Northern Mass. Any info would be greatly appreciated. Thanks.