yes i couldnt believe it when i let it all the way open after its got enough distance it just keeps getting faster and faster it dosent wine all the way out EVER i dont know why.Maybe the 2stroke oil ive never seen it before its castrol (tts i think)maximum rpm 2 stroke,also can be used as injection oil ever since i started using that shit it goes faster and faster i gps it at 32 flat i havent tried down hill yet