My boys trx 90 with your bigbore kit totally whipped on the yamaha 125 raptors and apex 90s when he got his first overall win starting from the second row, 4 stroke power gotta love it!... Read Full Review
This kit is very nice just installed it . Everything went together very nice The power difference is amazing TboltUSA is very good to work with. We race cross country. You wont be dissatisfied with this kit. THANKS... Read Full Review
Excellent Kit with very high quality parts and great support from TboltUSA
Our Rider went from the back of the pac to running up front and winning!... Read Full Review
I brought a 114 race kit fro my TRX 90 some time ago( head, cam, carb, cable, barrel etc) and it has worked especially good.
I have done a full race season on it and had no issues. This bike always gets the holeshot over our competitors cobras. Man ... Read Full Review
[5 of 5 Stars!] 
