On a public road, no not legally.
On private property, no.
It will reach around 20-30mph.
You cannot automatically get a go kart in the game bully. You have to win 5 races in the gokart races at the carnival. Then you can unlock the cityraces and get to race them in the city. To go there go to the trophy picture on the map.
use their souls!
ALL you have to do is SUCK your own DICK. haha
You learn about small two stroke engines and how to tune and maintain them.
You can find a gokart when you have done a mission in Los Santos. I don't know the name of this mission. you can do this mission after you done missions in Las venturas. I know that you must chase up OG Loc with an vortex and then with a gokart. after this mission a gokart can be find at maddogs mansion , behind Zero's shop , Angel Pine ,... And a vortex can be find in las venturas at the hotel called 'mens in pants' or something. its behind the ship.
how fast will a 5.5hp go on a small gokart