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131
Servicing Your Honda
4. Clean any dirt from around the spark plug base.
5. Disconnect the spark plug cap. Take care to avoid damaging the spark
plug wire when disconnecting the cap.
6. Using a spark plug wrench provided in the tool kit, remove the spark
plug.
7. Inspect the electrodes and center porcelain for deposits, corrosion,
or carbon fouling. If the corrosion or deposits are heavy, replace
the plug. Clean a carbon or wet-fouled plug with a plug cleaner, if
available, or a wire brush. Inspect the spark plug electrodes for wear.
The center electrode should have a flat tip and sharp edges, and the
side electrode should not be eroded. If the electrodes and insulator tip
appear unusually fouled or burned, we suggest that you contact your
dealer.
8. Discard the spark plug if there is appa
rent wear or if the insulator is
cracked or chipped.
9. Using a wire-type feeler gauge, check the spark plug gap. If
adjustment is necessary, bend the side electrode carefully.
The gap should be:
0.039-0.043 in (1.00-1.10 mm)
(cont'd)
Spark Plug
UNDER CENTER PANEL
spark plug cap
spark plug gap
0.039-0.043 in
(1.00-1.10 mm)
side electrode
center
electrode
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