Installing a front lift wheel on the HBX 903 903A may require modifications and additional parts, as it’s not a standard feature. Check with manufacturers or modifiers for feasibility.

Yes, the suspension of the HBX 3100A can be upgraded with higher-quality shock absorbers for improved handling and shock absorption.

This could be due to a faulty throttle signal, a bad connection, or an ESC issue. Check connections and recalibrate the throttle if necessary.

This could be due to worn brushes, a faulty commutator, or debris in the motor. Clean and inspect the motor regularly.

Check for proper connections, a working power source, and any signs of damage to the charger or battery contacts.