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Difference between revisions of "Spark plug"
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Spark plugs are often thrown away needlessly. Unless the plug is dead, the insulation cracked or the electrodes burned away, the plug can be cleaned, [[Gapping a spark plug|regapped]] and used again. | Spark plugs are often thrown away needlessly. Unless the plug is dead, the insulation cracked or the electrodes burned away, the plug can be cleaned, [[Gapping a spark plug|regapped]] and used again. | ||
==Inspection== | |||
Check the following and replace if necessary. | |||
*Insulator for damage | |||
*Electrodes for wear | |||
*burning condition, coloration; | |||
**dark to light brown shows good condition. | |||
**excessive lightness shows faulty ignition timing or [[lean mixture]]. | |||
==Reusing a Spark Plug== | |||
Clean the spark plug electrodes with a wire brush or special plug cleaner. | |||
Check the gap between the center and side electrodes with a wire-type feeler gauge. If the gap is not as specified, bend the | |||
side electrode to adjust it. | |||
Replace the spark plug in the cylinder head and hand tighten.Torque to specification. | |||
[[Category:Maintenance parts]] | [[Category:Maintenance parts]] | ||
[[Category:Definitions]] | [[Category:Definitions]] | ||
[[Category:Electrical]] | [[Category:Electrical]] | ||