Title: Evaluate valve clearance.
Course: Small Engine Repair (20110-18) > Section: Servicing Valves on Four-Stroke Engines

Evaluation should include

- measurement and/or adjustment of clearance using feeler gauges, according to manufacturer’s specifications
- valve guide clearance.

Process/Skill Questions:

- Where would one look in the manual to determine the valve clearance?
- Why is it important to evaluate the clearance?
- What would happen if one does not ensure the proper clearance?