Remove and install a propeller on an outboard engine.

Demonstration should reflect an understanding of the relationships between pitch, diameter, cavitation, ventilation, and blade configuration. It should also include

• ensuring that a cotter pin secures the propeller nut
• inspecting the hub for damage
• following the engine manufacturer instructions and procedures.

Process/Skill Questions:

• What should you look for when you inspect an outboard propeller for damage?
• What are the advantages of a power trim system?
• What are the differences between cast, aluminum, and stainless-steel propellers?