Whats wrong with my 125B?

[lincpimp]

I am also having a problem with a 125b and an 8xl. It is stuttering badly on startup and once it is moving it does not go very fast! I have a spare motor and esc and will try swapping parts until it clears up. Was wondering if you could give me S&T's contact info and shipping info in case I need to send it back. The esc is out of warranty so do they have a std charge to fix it or is it depending on what is wrong?