Thanks for all the replies. Locally most karts do not have the EVO engine so that shouldn’t be that much of a problem, especially considering that this will be my first kart.
Here are some videos showing the kart running well, bogging down in corners and shutting down. Not sure if they can be of any help in indicating the condition of the engine. As you can see, I’m driving the kart extremely slow, which I thought could be a contributing factor (tires were really bad and it was my first time driving a non rental kart).