Depends on the manufacturer, they each have corporate colors that they use. Honda Red Yamaha Blue Suzuki Yellow Kawasaki Green KTM Orange ... etc
anything, it doesn't matter
valvoline
because they like them that way.
yes, dirt bikes are motorized
This type of dirt bike is commonly known as an Enduro Bike
dirt bikes
Everybody that races dirt bikes "started" racing dirt bikes at some point.
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