Honda TRX450ER, Owner'S Manual

Page: 131 / 257

(2)
(1)
(1) spark plug cap (2) spark plug gap
RIGHT SIDE
122
Spark Plug Inspection & Replacement
Spark Plug
Servicing Your Honda
Saf ety Precautions Refer to on page .
Clean any dirt from around the spark plug base.
Disconnect the spark plug cap ( ). Take care to avoid damaging the
spark plug wire when disconnecting the cap.
Using a spark plug wrench provided in the tool kit, remove the spark
plug.
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.
Inspect the electrode and center porcelain for deposits, corrosion, or
carbon fouling. If the corrosion or deposits are heavy, replace the
plug.
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