The fear of crashing on a dirt bike is ingrained in all of us. It's not weakness, and it's human nature. Your mind sees falling as a danger, which induces hesitation, tension, and self-doubt.

That reaction is natural, but it's also overcome-able. You don't need to be stronger than you are. All you have to do is re-program your brain. Get the right attitude, practice, and preparation and you will realize that the fear is melts away pretty quickly.
Understand the Source of Your Fear
Fear is based on uncertainty and not on weakness. When it comes to dirt bikes, you aren’t afraid of falling off a dirt bike, what you fear most are the possible consequences of a fall. That could be pain, injury, embarrassment, or bike damage. That reaction is natural, and it’s also manageable. When you clearly identify what scares you, you can start to release that fear. Pinpoint your exact concern, then work out a specific plan to reduce or eliminate that threat.
Know the Mechanics of a Fall
Most people fear falling because they don't know how dropping or what to do feels. That is where training occurs. In a simulated condition, tip-overs teach your body how to respond. You will see that not every fall ends with injuries. If you can learn to release, roll, and relax, you can reduce the chances of getting injured. Body stiffness and panic cause more injuries than the fall itself.
Gear Isn't All About Looks
Preparing is the best protection. wearing full motorcycle gear will boos your confidence. A good helmet, neck brace, boots with full ankle support, chest support, and knee pads give a mental comfort blanket. When you're happy with your gear, your mind thinks less about "what if." That leaves you with a clear head to ride and react in the moment.
Practice Controlled Risk
Start slow. Ride terrain slightly outside your comfort zone, not something that scares you. Get used to sand, loose gravel, or slight slopes. Slow turns with meticulous foot placement. Get used to sliding ever so slightly. Get used to less-than-ideal traction. Building faith in small achievements is safer than pushing yourself into terror.
Breathe and Reset
Fear exists in a tense body. When you feel like your hands are stuck in the bars, shoulders rolled up around your ears, or you forgot to breathe, pause, pull over, and take two or three deep breaths. Reset your position, and try again. Muscle memory is not created under tension. Ride relaxed and present. That's where control lies.
Copy Experienced Riders Slowly
Find someone better than you and learn from them. Watch how they shift their weight, read the terrain, and stay loose. Don't try to mimic them all at once. Take one thing at a time. Maybe it is how they position themselves in a corner. Work on it slowly. Mastering isn't speed. It's about staying on the bicycle longer without losing your mind.
Falling is feedback, not failure. When you crash, you stop, look at yourself and the bicycle, and look back at what happened. Was it a line? Did you brake too much in front? Were you flexing up? The world's greatest riders fall, too, but they don't let it control them. They use it. You can, too. Fear never really leaves.