Spark Plug Dismantlement - PIAGGIO X9 Evolution 500 User Manual

Spark plug dismantlement (03_10)

Proceed as follows:
1. Remove the spark plug cover located on the left side of the vehicle and reach in to
access the spark plug;
2. Disconnect the cap «A» of the spark plug HV wire;
3. Unscrew the spark plug, using the spanners supplied;
4. Upon re-assembly, insert the spark plug at the correct angle, screwing it in tightly
by hand;
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5. Only use the spanner supplied for the final tightening work;
6. Insert the cap «A» over the spark plug.
N.B.
THE USE OF SPARK PLUGS OTHER THAN THE INDICATED TYPE OR OF
SHIELDLESS SPARK PLUG CAPS CAN CAUSE ELECTRICAL SYSTEM FAIL-
URES.
WARNING
THE SPARK PLUG MUST BE REMOVED WHEN THE ENGINE IS COLD. THE
SPARK PLUG SHOULD BE CHECKED EVERY 6,000 KM AND CHANGED EVERY
12,000 KM. THE USE OF ELECTRONIC CENTRAL UNITS OR ELECTRONIC IG-
NITIONS DIFFERING FROM THOSE RECOMMENDED CAN SERIOUSLY DAM-
AGE THE ENGINE. IF THE REMOVAL OF THE SPARK PLUG IS ATTEMPTED
AFTER FLOODING THE ENGINE (EXPULSION OF EXCESS FUEL IN THE SEC-
TION «SAFE RIDING»), IT IS RECOMMENDED THAT THE SMALL PIPE TO THE
SPARK PLUG IS KEPT CONNECTED AND THE LATTER IS IN CONTACT WITH
A GROUND FAR FROM THE SPARK PLUG HOLE ITSELF IN ORDER TO AVOID
THE EXPELLED FUEL CATCHING ON FIRE.
Characteristic
Spark plug
70