I started on Suzuki TM 125, then RM 125, and eventually YZ125.
Not only did they all sound badass, but I ran that Castrol castor bean oil so they smelled badass too.
RV did great at Hangtown on that thing. Brought back memories. I only raced there once, and DNFd with bike issues.
RE: Ryan Villopoto - raggin a 125 :)