Maintenance: Perform routine maintenance tasks, such as checking fluid levels and replacing spark plugs. Repair: Repair or replace broken or worn-out parts, such as brakes, gears, tires, and chains. Troubleshooting: Diagnose and troubleshoot mechanical and electrical faults. Customer service: Advise customers on repair times and costs, and assist them with selecting the right accessories and components. Record keeping: Maintain accurate records of all work done.