What do you guys think the best sized 2-stroke engine is? Here is a walk around of the machines from the previous video, with @Jaden on the current model KTM 150SX and myself on a 2005 Kawasaki KX125 🔥 @Red Bull Motorsports @Red Bull @allballsracing_ @MotoSport.com #150SX #KX125 #2stroke