Standard

MEN 102 – Marine Two-Stroke Engine Fundamentals and Servicing

Course Description

Introduces basic concepts of two-stroke engine theory and servicing. Topics include: marine two-stroke engine fundamentals, power head servicing, precision measuring, and block repair methods.

Competency Areas	Hours
Two-Stroke Engine Fundamentals	Class	3
Precision Measuring	D. Lab	2
Block Repair Methods	P. Lab/O.B.I.	3
	Credit	5

Prerequisite/Corequisite:

MEN 100/TFC 100

Course Guide

Competency	After completing this section, the student will:	Hours
		Class	D.Lab	P.Lab/ O.B.I.
TWO-STROKE ENGINE FUNDAMENTALS		18	10	15
Operation	Explain the basic principles of two-stroke cycle internal combustion engine operation.
Identification	Identify types of two-stroke cycle engines.
Power head components	Identify and explain power head component operation.
Power head assemblies	Diagnose and identify power head failures and their causes including pre-ignition and detonation damage.
Service procedures	Diagnose, inspect, repair and R & R cylinder and crankcase assemblies, crankshafts, rod and piston assemblies, cylinder heads, and bearings and seals.
PRECISION MEASURING		5	4	6
Measuring equipment	Use precision measuring tools to determine the need for boring, sleeving, or replacing power head components.
BLOCK REPAIR METHODS		7	6	9
Methods	Explain block repair methods including honing, boring, and sleeving.
Salvaging	Explain and apply basic power head salvaging procedures, and repair damaged threads & install thread repair inserts.

Suggested Resources

Books

Mercury Marine. (1993). Mercury Marine Service and Parts Manuals. Found du Lac, WI: Author.

Outboard Marine Corporation. (1993). OMC Service and Parts Manuals. Waukegan, IL: Author.

Stagner, E. (1985). Understanding the Outboard Motor. Englewood Cliffs, NJ: Prentice Hall.