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Motorboat Mechanics and Service Technicians - 49-3051.00

O*NET-SOC Description

Repair and adjust electrical and mechanical equipment of inboard or inboard-outboard boat engines.

Sample of Reported Job Titles

  • Boat Mechanic
  • Boat Motor Mechanic
  • Boat Rigger
  • Marine Mechanic
  • Marine Propulsion Technician
  • Marine Technician
  • Mechanic
  • Outboard Motor Mechanic
  • Outboard Technician
  • Service Technician

SOC Occupation Groups

Related Occupations


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

Detailed Work Activities

  • Adjust equipment to ensure optimal performance.
  • Adjust vehicle components according to specifications.
  • Align equipment or machinery.
  • Disassemble equipment for maintenance or repair.
  • Document test results.
  • Inspect mechanical components of vehicles to identify problems.
  • Observe equipment in operation to detect potential problems.
  • Position equipment using hand tools, power tools, or heavy equipment.
  • Repair defective engines or engine components.
  • Repair electrical circuits or wiring.
  • Repair non-engine automotive or vehicle components.
  • Repair worn, damaged, or defective mechanical parts.
  • Replace worn, damaged, or defective mechanical parts.
  • Service vehicles to maintain functionality.

Military Crosswalk Titles

  • Boatswain's Mate (Coast Guard - Enlisted)
  • Diesel Engine Systems Maintainer (Navy - Enlisted)
  • Diesel Engine Systems Technician (Navy - Enlisted)
  • Engineman (Navy - Enlisted)
  • General Dynamics (GD) Littoral Combat Ship (LCS) Core Crew Mission Specialist (Navy - Enlisted)
  • LCAC Craft Engineer/Assistant Operator (Navy - Enlisted)
  • LCAC Deck Engineer (Navy - Enlisted)
  • Lockheed Martin (LM) Littoral Combat Ship (LCS) Core Crew Mission Specialist (Navy - Enlisted)
  • Machinery Repairman Apprentice (Navy - Enlisted)
  • Machinery Repairman Journeyman (Navy - Enlisted)
  • Machinery Technician (Coast Guard - Enlisted)
  • Marine Safety Specialist Deck (Coast Guard - Warrant Officer only)
  • Marine Safety Specialist Engineer (Coast Guard - Warrant Officer only)
  • Mechanical Maintenance Technician (Navy - Enlisted)
  • Naval Engineering Specialty (Coast Guard - Warrant Officer only)
  • Naval Special Warfare (NSW), Combatant-Craft Assault Support Engineer (Navy - Enlisted)
  • Naval Special Warfare (NSW), Combatant-Craft Heavy Support Engineer (Navy - Enlisted)
  • Naval Special Warfare (NSW), Combatant-Craft Medium Support Engineer (Navy - Enlisted)
  • Naval Special Warfare (NSW), Special Operation Craft Riverine (SOCR) Support Engineer (Navy - Enlisted)
  • Outboard Engine Maintenance Technician (Navy - Enlisted)
  • Small Craft Mechanic (Marine Corps - Enlisted)
  • Special Warfare Boat Operator (Navy - Enlisted)
  • Watercraft Engineer (Army - Enlisted)
  • Wheeled Vehicle Mechanic (Army - Enlisted)

Apprenticeship Crosswalk Titles

  • Motorboat Mechanic
  • Outboard-Motor Mechanic

DOT Crosswalk Titles

  • Experimental Mechanic, Outboard Motors
  • Motorboat Mechanic
  • Outboard-Motor Mechanic
  • Outboard-Motor Tester