Spark Plug
Checking Spark Plug
For the recommended spark plugs, see
“Specifications.” 2 P. 122
Use only the recommended type of spark
plugs in the recommended heat range.
NOTICE
Using a spark plug with an improper heat range
can cause engine damage.
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.
u
If the erosion or deposit is heavy,
replace the plug.
u
Clean a carbon or wet-fouled plug
with a plug cleaner, otherwise use a
wire brush.
Maintenance
54
Spark plug cap
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