PIAGGIO Beverly Tourer 125, Service Station Manual

Page: 41 / 278

Spark plug
- Rest the scooter on its centre stand
- Open the cap on the right hand side of the vehicle
and remove the corresponding screw by lifting the
lower part in the specific groove;
- Disconnect spark plug HV wire hood;
- Unscrew the spark plug using the wrench sup-
plied;
- Check the conditions of the spark plug, make
sure the insulation is intact, that the electrodes are
not excessively worn or grimy, the conditions of the
washer, and measure the distance between the
electrodes using the appropriate feeler gauge.
- Adjust the distance if necessary by bending the
side electrode very carefully. In case of anomaly
(as described before) replace the spark plug with
another of the recommended type;
- Fit the spark plug with the correct angle and man-
ually screw it all the way down, then use the spe-
cial wrench to tighten it
- Insert the cap onto the spark plug and proceed
with the reassembly operations.
CAUTION
THE SPARK PLUG MUST BE REMOVED WHEN THE MO-
TOR IS COLD. THE SPARK PLUG MUST BE REPLACED
EVERY 12,000 KM. THE USE OF NON CONFORMING IGNI-
TION CONTROL UNITS OR SPARK PLUGS OTHER THAN
THOSE PRESCRIBED CAN SERIOUSLY DAMAGE THE EN-
GINE.
Characteristic
Spark plug
CHAMPION RG4HC
Alternative spark plug
NGK CR8EB
Electrode gap
0.7-0.8 mm
Locking torques (N*m)
Spark plug
12 ÷ 14
Beverly 125
Maintenance
MAIN - 41