High Cylinder Head Temperature

We listed possible causes of the problem high cylinder head temperature:

1. Mixture too lean
2. Improper grade of fuel
3. Air leaks in induction system
4. High carburetor air inlet temperature
5. Magnetos improperly timed
6. Damaged cylinder baffles, fins, or restrictions in airflow
7. Incorrect valve operation or clearance
8. Restrictions in exhaust system
9. Temperature gauge defective
10. Thermocouple wires too close to exhaust manifold
11. Spark retarded
12. PreÔÇÉignition through carbon or defective spark plugs
13. Warped valves
14. Loose valve seats and guides
15. Worn valve guides

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