4 X 4 all-terrain vehicle
Four-wheeled all-terrain vehicle (ATV) for traversing most kinds of terrain, equipped with a motorcycle engine.
gearshift lever 
Pedal located under the driver’s foot, for changing the ratio between the motor’s speed of rotation and that of the wheels.
front shock absorber 
Cylindrical mechanism attached to the front wheel and coupled with a spring; it absorbs shocks caused by unevenness in the road.
bumper 
Malleable component partly absorbing impact in the event of a front-on collision.
gas tank 
Reservoir containing the fuel that makes the vehicle self-sufficient.
rear cargo rack 
Support at the rear of the vehicle, for attaching a trunk or for lashing down luggage using straps.
rear fender 
Piece of curved metal covering the rear wheel, for protecting the motorcyclist from being splashed.
muffler 
Compartmentalized chamber in which the escaping gases expand, thus reducing the noise from the engine.