Using these ZOHD Dart250G FPV Wing replacement parts is easy. First, identify the broken part on your FPV wing. Then, carefully remove the old part and replace it with the new one from our stock. For parts like the motor, make sure to attach the prop nut and screws tightly. When using the Kopilot Lite combo, follow the basic setup instructions. Here are some things to keep in mind. Always work in a clean and well - lit area to avoid losing small parts. Be gentle when handling the parts to prevent any damage. For maintenance, regularly check the connections of the parts, especially the servos and motor. Clean the fuselage and wings to keep them in good condition. If you have any issues, feel free to reach out for support.