outboard 1 final practice

Front

How many essential functions are there in an outboard engine?

Back

4

Front

As a piston travels toward TDC and closes off all ports, the volume of the primary chamber is still increasing and continues to draw in the next fresh mixture.

Back

intake and secondary compression

Front

4-stroke engines utilize a _____ in the cylinder block.

Back

Plain Bearing

Front

How many major sections are there on an outboard engine?

Back

4

Front

What is the midsection of an outboard?

Back

Exhaust Housing

Front

Name the essential stroke: The intake valve starts to open just before the piston reaches TDC

Back

Intake

Front

Name the essential stroke: Intake valve is closed and piston starts to rise, begins to compress the air-fuel mixture

Back

Compression

Front

There will be two digits stamped in _____ locations.

Back

5

Front

Name the essential stroke: Piston reaches TDC, the ECM fires the spark plug.

Back

Combustion

Front

Name the essential function: To allow for maximum power, valves must be closed and sealed.

Back

Compression