Great use of the colour.
I like the new concept however there is a competitor in go karts TONY KART which is very similar with the T line. So I need to be careful not to look to much like theres.
How is your graphic skills in designing a man?
Have you seen Frank the Tank? I would really want within the word COURTNEY (no kart) a (top half only) man punching the air frank the tank style.
I know this may be hard to understand so if not dont worry!