According to people in this career, the main tasks are...
| Task | Importance |
|---|---|
| Start motors and monitor performance for signs of malfunctioning, such as smoke, excessive vibration, or misfiring. | 85% |
| Document inspection and test results and work performed or to be performed. | 82% |
| Mount motors to boats, and operate boats at various speeds on waterways to conduct operational tests. | 81% |
| Repair engine mechanical equipment, such as power tilts, bilge pumps, or power take-offs. | 81% |
| Perform routine engine maintenance on motorboats, such as changing oil and filters. | 81% |
| Replace parts, such as gears, magneto points, piston rings, or spark plugs, and reassemble engines. | 80% |
| Idle motors and observe thermometers to determine the effectiveness of cooling systems. | 78% |
| Inspect and repair or adjust propellers or propeller shafts. | 78% |
| Adjust carburetor mixtures, electrical point settings, or timing while motors are running in water-filled test tanks. | 78% |
| Set starter locks and align and repair steering or throttle controls, using gauges, screwdrivers, or wrenches. | 77% |
| Disassemble and inspect motors to locate defective parts, using mechanic's hand tools and gauges. | 77% |
| Adjust generators and replace faulty wiring, using hand tools and soldering irons. | 75% |
| Repair or rework parts, using machine tools such as lathes, mills, drills, or grinders. | 66% |
