Shifter Kart Racing at Portland International Raceway

No music: Race Practice 1 Practice 2 2014 Gold Cup Road Race #1 @ PIR race highlights. Data from mychron4 GPS sensor rendered in video with Race Render 3. First time I even sat in the shifter kart. Racing in Sprint Stock CR125 class which uses a Honda CR125 2-stroke dirt bike engine and the 6-speed gearbox that goes with it.