MT 240 - Outboard Motor Operation and Service

Credits: 3
Variable Credit Course: No

Lecture Hours: 22
Lab Hours: 22
Worksite/Clinical Hours: 0
Other Hours (LIA/Internships): 0

Course Description: Introduction to outboard motors as the world’s most common marine propulsion system. Focuses on the operation and service of small outboard motors, specifically 2-stroke and 4-stroke portable units under 20 horsepower. Covers maintenance and repair of fuel, cooling, ignition, and lubrication systems in addition to outboard winterization, commissioning, and tune-up procedures.

Prerequisite: None.
Meets FQE Requirement: No
Integrative Experience Requirement: No

Student Learning Outcomes

Demonstrate a comprehensive understanding of 2-stroke and 4-stroke outboard engine theory, operation, and service by discussion and examination.
Identify the major components of an outboard motor and explain their function.
Perform basic maintenance and repair procedures on outboard engine fuel, cooling, ignition, and lubrication systems by demonstrating competency in the lab.
Perform outboard motor winterization and spring commissioning tasks in accordance with manufacturer procedures.

Course Contents

Fundamentals of outboard motor theory, including 2-stroke and 4-stroke comparisons, engine parts identification and function, and safe engine operation.
Fuel system components, operation, service, and safety, including carburetor and fuel pump repair.
Cooling system design, operation, and service, including water pump impeller and thermostat replacement.
Ignition system theory and troubleshooting, including spark and coil testing procedures.
Lower unit service and basic maintenance, including pressure testing, propeller removal, and gear oil changes.
Outboard electrical system basics, including troubleshooting electrical starting and charging circuits.
Engine winterization and spring commissioning procedures.

Instructional Units: 3.5