Inspect the electrodes and center
porcelain for deposits, erosion or carbon
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
Check the spark plug gap using a wire-
type feeler gauge.
u If adjustment is necessary, bend the
side electrode carefully.
The gap should be:
0.03 - 0.04 in (0.8 - 0.9 mm)
Make sure the plug washer is in good
Install the spark plugs. With the plug
washers attached, thread the spark plugs
in by hand to prevent cross-threading.
20170726153758_31MFR6800_enu_BOOK Page 69 Wednesday, July 26 2017 15:43:25 JST
Spark Plug u Checking Spark Plug
Spark plug gap