There are a number of parties that may be at fault if you are injured in a snowmobile or ATV crash. However, in order to bring any type of lawsuit, most times you must have been injured in a collision with another driver. There are very few circumstances where you would be able to bring a lawsuit against someone else for your damages if you were in a single person crash. You should consult with an attorney right away if you feel your injuries may have been the fault of another.