Spark Plug Dismantlement - VESPA GTS 250 i.e. Manual

Spark plug dismantlement (03_07, 03_08)

Proceed as follows:
1. lift the saddle «A»
2. lift the helmet compartment «B» and reach into the spark plug with your hand;
3. disconnect cap of the spark plug HV wire;
4. unscrew the spark plug using the spark plug spanners «D» supplied;
5. When refitting, place the spark plug in the hole at the due inclination and screw it
03_07
by hand until it is finger tight;
6. use the box-spanner«D» supplied only for locking;
7. place cap fully over the spark plug.
WARNING
THE SPARK PLUG MUST BE REMOVED WHEN THE ENGINE IS COLD. THE
SPARK PLUG MUST BE REPLACED EVERY 20,000 KM. USE OF ELECTRONIC
CONTROL UNITS OR ELECTRONIC IGNITIONS DIFFERING FROM THOSE REC-
03_08
OMMENDED CAN SERIOUSLY DAMAGE THE ENGINE.
CAUTION
THE USE OF SPARK PLUGS OTHER THAN THOSE RECOMMENDED OR A
SHIELDLESS SPARK PLUG CAP COULD CAUSE DISTURBANCES TO THE SYS-
TEM.
Characteristic
Recommended spark plug
Champion RG 4 PHP
42