Not enough info to answer that question.
approximately 2 mph
if you look on the side of the engine cover it should say model number engine type and code...on a 6hp murray go kart with a Tec. 6hp it reads 196cc
The Tractor Supply website lists 15-19MPH
fast
80mph
about 40mph
Accelerate around the corners
2000 mph
50km/hr
Not very fast, possibly about 25 mph.
30 MPH