Title: Evaluate valves and accessories for defects.
Course: Small Engine Repair (20110-36) > Section: Servicing Valves on Four-Stroke Engines

Evaluation should include

- removal of engine components (e.g., valve cover, gaskets, cylinder head) to access the valves
- examination for damage, foreign material, burrs, and/or wear.

Process/Skill Questions:

- What are the parts of the valve?
- What are the valves exposed to during engine operation?
- What are some common causes that contribute to valves malfunctioning?
- What are the differences between the intake and exhaust valves?