Sep 27, 2022  
College Catalog 2021-2022 
College Catalog 2021-2022 [ARCHIVED CATALOG]

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AUTO 1270 - Small Engine Service/Repair

Credit Hours: 2.00

Prerequisites: None

This course will focus on servicing and repairing of two and four cycle engines. The class will service and repair mechanical, ignition, electrical, fuel, cooling, and starting systems. Disassembly, inspection for wear, assembly, and proper serviceability techniques using appropriate materials and proper check procedures for service/repair are stressed.

Billable Contact Hours: 3

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Outcome 1: Upon completion of this course, students will service and repair a small engine.


  1. Demonstrate the ability to identify types of four-stroke and two stroke cycle engines.
  2. Demonstrate the understanding and use of parts identification media.
  3. Identify small engine parts and components.

• Communication: The graduate can communicate effectively for the intended purpose and audience.
• Critical Thinking: The graduate can make informed decisions after analyzing information or evidence related to the issue.
• Global Literacy: The graduate can analyze human behavior or experiences through cultural, social, political, or economic perspectives.
• Information Literacy: The graduate can responsibly use information gathered from a variety of formats in order to complete a task.
• Quantitative Reasoning: The graduate can apply quantitative methods or evidence to solve problems or make judgments.
• Scientific Literacy: The graduate can produce or interpret scientific information presented in a variety of formats.

CDO marked YES apply to this course:
Communication: YES
Critical Thinking: YES
Global Literacy: YES
Information Literacy: YES
Quantitative Reasoning: YES
Scientific Literacy: YES


  1. Two and Four Stroke Cycle Engines
    1. Two Stroke Engines
      1. Compression
      2. Power
    2. Four Stroke Engines
      1. Intake
      2. Compression
      3. Power
      4. Exhaust
    3. Parts Identification
      1. Parts Manual
      2. Electronic Media
      3. Microfiche
  2. Seasonal/Routine Service
    1. Inspection
      1. Exterior and Cooling Fins
      2. Foam Type Air Cleaner
      3. Dry Element Air Cleaner
      4. Engine Oil
      5. Crankcase Oil Filter
      6. Crankcase Breather
      7. Exhaust Ports and Muffler of Two Stroke Engine
      8. Small Engine Controls
    2. Removal, Service, and Installation Procedures
    3. Storage
  3. Fuel Systems
    1. System Components
      1. Fuel Tank and Fuel Lines
      2. Fuel Filter
      3. Carburetor
        1. Pulsation Type
        2. Float Type
        3. Diaphragm Type
      4. Fuel Pump
      5. Injection System
      6. Fuel Controls
        1. Governor Systems
        2. Throttle Controls
    2. Examine and Diagnosis
    3. Adjustments, Repair, and Replacement Procedures
    4. Disassemble and Assemble Procedures
  4. Ignition Systems
    1. Types
      1. Magneto
      2. Battery
      3. Solid State
    2. Spark Plugs
      1. Two Stroke Cycle
      2. Four Stroke Cycle
    3. Service and Installation Procedures
  5. Charging and Starting Systems
    1. Charging System
      1. Battery
    2. Starting Systems
      1. Direct-Current Starter System
      2. Combination Starter-Generator System
      3. Alternator System
      4. Manual Recoil System
    3. Examine and Diagnosis
    4. Adjustments, Repair, and Replacement Procedures
    5. Disassemble and Assemble Procedures
  6. Small Engine Overhaul
    1. Components
      1. Valves
        1. Two Stroke Engines
        2. Four Stroke Engines
      2. Piston, Ring, and Rod Assemblies
      3. Cylinders
      4. Crankshaft
      5. Camshaft
      6. Block
    2. Examine and Diagnosis
    3. Adjustments, Repair, and Replacement Procedures
    4. Disassemble and Assemble Procedures

Primary Faculty
Roland, David
Secondary Faculty

Associate Dean
Pawlowski, Timothy
Hutchison, Donald

Official Course Syllabus - Macomb Community College, 14500 E 12 Mile Road, Warren, MI 48088

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