Spark Plug - KYMCO AK 550 Service Manual

9.Electrical Systems
AK 550

Spark Plug

Turn the ignition switch to ON, lift the side stand, hold in one of the brake levers,
and push the engine start button. The plug should spark.
Caution: Do not touch the spark plug or spark plug wire while cranking or running
the engine as this can result in a severe shock.
Remove the spark plug with a spark plug with a 5/8 in socket.
Spark plug NGKCR7E
Check the spark plug to see if it is the correct type and gapped properly. If the
spark plug is black and fouled, replace it.
If the spark plug center electrode or side electrode are corroded or damaged,
or if the insulator is cracked, replace the plug.
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