1.
Disconnect the spark plug caps from the
spark plugs.
2.
Clean any dirt from around the spark plug
bases.
3.
Remove the spark plugs using a suitable
spark plug wrench.
4.
Inspect the electrodes and center
porcelain for deposits, erosion or carbon
fouling.
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If the erosion or deposit is heavy,
replace the plug.
5.
Make sure that a 1.2 mm wire-type feeler
gauge cannot be inserted between the
spark plug gap. If the gauge fits in the
gap, replace the plug with a new one.
6.
Make sure the plug washer is in good
condition.
20171117173519_31MJF8400_enu_BOOK Page 76 Friday, November 17 2017 17:49:33 JST
Spark Plug
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Checking Spark Plug
Maintenance
73
Continued
Spark plug caps
Spark plug gap