• Engine mechanics (including disassembly, inspection, assembly)
• Transmission systems (automatic and manual)
• Fuel system (carburetion/EFI, fuel pump, filter)
• Lubrication system (oil pump, filter, passages)
• Cooling system (radiator, fan, thermostat, coolant flow)
• Electrical system (ignition, starting, charging, lighting, sensors, ECU)
• Drive system (CVT, chain drive, differentials, axles, hubs)
• Suspension components (shocks, springs, control arms, bushings)
• Steering system (handlebars, steering column, tie rods, knuckles)
• Frame and chassis construction
• Braking system (hydraulic lines, calipers, master cylinders, pads)
• Controls and indicators (throttle, brake levers, shifter, dashboard lights)
• Wheels and tires