yes, dirt bikes are motorized
$200.000.50
NO dirt bikes are either air cooled (you will mainly find this on Chinese bikes) or they are cooled by coolant from a radiater, much like the one in your car.
dirt bikes
Everybody that races dirt bikes "started" racing dirt bikes at some point.
you can get a 2002 for like $2000
dirt bikes in the past had less gears and power then dirt bikes have today
The two main types of dirt bikes are motocross and trail bikes. Yamaha, Kawasaki, and Honda all make these types of dirt bikes.
no dirt bikes arn't illegal
no there not dirt bike is better
dirt-biking is for dirt-bikes it can be either stunt or mud riding
There are a few dirt bikes that you can buy that are cheap. Some generic dirt bikes you can buy are 200 CC, Yamaha and you can have bikes shipped to you from China.