Really small and will fit in alot of places, just don't leave it sitting on a table upside down like I did, it'll leak fluid everywhere because there's a vent hose on top. My mistake not the manufacturers.
Haven't yest installed on cousin's go kart but it's important to note that you will have to use a hydraulic press to successfully seat the driven pulley on the shaft if you are using a cvt clutchPress is being rebuilt to use a air hydraulic jack