i herd tht trinity raceing was gona make a 720cc B,B kit for the xx is this trure. theres nothing on there web site. is anyone making a b,b kit for it under 1000.the reson y im asking about trinaty is couse there like honda bullet broof. a few of my ferinds combind has built a raptor with a 734 cc BB kit which is bolt on and it has lsted longer than the stock cilinder by like 500 hours, a banshee with a cheetah 412 with was also bolt on and last long, and my faverite is his trx 450 with the 520 cc beats the raptor 734 but he replace the cilender b4 the stock went.the only thing that hsent beat was this banshee 421 cub that was sippen nitro meth. check out the web site they got sume ill shit in there. trinityracing.com