not very fast
Around 45 mph.
Somewhere between 45 and 50 mph.
how fast does 250cc Orion dirt bike go
A 70cc dirt bike will achieve a top speed of around 40mph
it all dipends on the bike
Dirt bike as with a go kart they dont go fast and you may as well have a tricycle as there about the same
55 to 60 its fast
A 111 cc dirt bike will go approximately 40 miles per hour. The exact maximum speed is dependent upon the manufacturer of the dirt bike.