There are no specific restrictions on how you can use your dirt bike helmet, but there are some general guidelines to keep in mind.First and foremost, it is important to always wear your helmet when riding your dirt bike. Not only is it required by law in some states, but it also provides critical protection in the event of a crash.In terms of specific uses, you can generally wear your dirt bike helmet for any type of riding. However, if you are using it in a race or competition, make sure to check the specific rules and regulations that apply.Additionally, if you are using your helmet for purposes other than motorcycling (such as mountain biking or skiing), be sure to check that it is certified for those activities. Racing helmets are typically not certified for other activities, so if you2019re using a racing helmet for something other than motorcycling, you could be putting yourself at risk.