Firstly, you will obviously need bike. make sure that you get is the correct one for you, i.e. one you are capable of riding safely. It would be inadvisable for someone starting out in motocross to get the most powerful equiptment available as they just wont be able to ride it.Secondly, if you are going to be traveling around in order to race your then you will need some sort of transportation for your machine. This usually comes in the form of a van or a trailer. These machines are obviously not road legal as they are not registered and do not comply with regulation so riding them to the track is not an option.Once you have these then you will need safety equipment in order to ensure that you are as safe as possible when out on the track on your bike. This equipment starts off with clothing, there is specialist clothing companies out there which produce clothing which is designed to keep you safe when riding a dirt bike.It is important that we use or motorcycle helmet lock.