PIAGGIO Beverly Tourer 125 Manual page 51

WARNING
THE SPARK PLUG MUST BE REMOVED WHEN THE ENGINE IS COLD. CHECK
AND REPLACE THE SPARK PLUG AS INDICATED IN THE SCHEDULED MAIN-
TENANCE TABLE. USING NON-COMPLYING ELECTRONIC CENTRAL UNITS
AND ELECTRONIC IGNITIONS OR SPARK PLUGS OTHER THAN THOSE PRE-
SCRIBED MAY SERIOUSLY DAMAGE THE ENGINE. IF THE SPARK PLUG IS
REMOVED AFTER THE ENGINE HAS FLOODED, IT IS RECOMMENDED TO
KEEP THE TUBE CONNECTED TO THE SPARK PLUG AND THE SPARK PLUG
IN CONTACT WITH A GROUND CONNECTION FAR FROM THAT SPARK PLUG
HOLE IN ORDER TO PREVENT EXPELLED FUEL FROM CATCHING FIRE.
Characteristic
Recommended spark plug
Champion RG 4 HC
Alternative spark plug
NGK CR8EB
Electrode gap
0.7-0.8 mm
51