2. Check the spark plug. Make sure the spark plug is properly installed and that it is not fouled. You can also try removing the spark plug and cleaning it with a wire brush.
3. Check the air filter. Make sure the air filter is clean and not clogged. You can remove the air filter and wash it with soap and water, or replace it with a new filter.
4. Check the throttle cable. Make sure the throttle cable is properly adjusted and not kinked. You can try moving the throttle cable by hand to see if it is binding or stuck.
5. Check the clutch cable. Make sure the clutch cable is properly adjusted and not kinked. You can try pulling in the clutch lever and releasing it to see if it is moving freely.
6. Check the transmission. Make sure the transmission is in the proper gear. You can try shifting the transmission into different gears to see if it is stuck in one gear.
7. Check the drivetrain. Make sure the drive chain or belt is properly tensioned and not kinked. You can also try moving the rear wheel by hand to see if it is turning freely.
8. Check the brakes. Make sure the brakes are not engaged and that the brake lines are clear. You can also try applying the brakes and releasing them to see if they are working properly.
9. If you have checked all of these items and the dirt bike is still locked up, you may need to take it to a professional mechanic for further diagnosis and repair.
