Signs of motor health issues in drones include unusual noises, excessive vibration, loss of power, uneven performance, and overheating. Common motor health problems include worn-out bearings, faulty wiring, loose or damaged connectors, dirt and debris accumulation, and excessive heat buildup. Regular motor maintenance is important for prolonging lifespan, ensuring optimal performance, preventing sudden failures, and reducing repair costs. Motor health monitoring techniques include motor sound analysis, vibration analysis, power output evaluation, performance tracking, and temperature monitoring. Effective maintenance practices include regular cleaning and debris removal, proper lubrication, tightening and securing connectors, checking and replacing worn-out components, and calibrating motor controllers. Troubleshooting motor issues involves identifying specific problems, inspecting related components, testing and diagnosing motor health, seeking professional help if needed, and implementing appropriate solutions. Motor health solutions include bearing replacement, rewiring or repairing damaged wires, replacing connectors, thorough cleaning, and maintenance.