VESPA 946 E4 EMEA 2021 Manual page 237

Vespa 946 E4-E5 EMEA-USA-ASIA (2021-)
THE ASR SYSTEM IS ACTIVATED AT EVERY "ON" POSI-
TIONING OF THE IGNITION SWITCH.
IF DISABLED BY THE USER, THE ASR SYSTEM KEEPS
THE STATE OF INACTIVITY ONLY IF THE VEHICLE IS OFF,
BY USING THE ENGINE STOP SWITCH; AT THE NEXT KEY
ON THE ASR SYSTEM IS ENABLED AUTOMATICALLY.
CAUTION
IT IS EMPHASISED THAT THE RIDING AUXILIARY SYS-
TEM CANNOT CHANGE THE PHYSICAL LIMITS OF GRIP
AND IS NOT A SUBSTITUTE FOR PROPER MANAGEMENT
OF POWER, BOTH ON STRAIGHT STRETCHES AND IN
TURNS. THEREFORE, IT IS RECOMMENDED TO ALWAYS
USE THE VEHICLE WITH THE UTMOST CARE AND IN AC-
CORDANCE WITH THE REGULATIONS IN FORCE.
CAUTION
AT LOW SPEED, LESS THAN 5 Km/h (3 mph), THE ASR
SYSTEM IS NOT OPERATIONAL.
IT IS RECOMMENDED TO PAY PARTICULAR ATTENTION
IN THE EVENT OF ACCELERATION FROM STANDSTILL IN
CONDITIONS OF LOW GRIP, ESPECIALLY IN THE FIRST
METRES.
N.B.
IN CASE OF ROAD DISCONNECTIONS THERE COULD BE
SHORT ACTIVATIONS OF THE ASR SYSTEM. SUCH
EVENT APPEARS UNDER NORMAL OPERATION CONDI-
TIONS OF THE VEHICLE.
N.B.
THE DEVICE PREVENTS IMPRESSING ON THE REAR
HIGH SPEED ROTATION WHEEL WITH THE VEHICLE ON
THE CENTRE STAND. IT IS RECOMMENDED NOT TO IN-
SIST WITH THE THROTTLE GRIP IN THIS PARTICULAR
CONDITION.
CAUTION
A POOR STATE OF MAINTENANCE OF THE TYRES CAN
RESULT IN ABNORMAL OPERATION OF THE ASR SYS-
TEM.
IN CASE OF REPEATED INTERVENTIONS OF THE ASR,
EVEN ON ROAD SURFACES WITH GOOD GRIP OR SMALL
THROTTLE OPENINGS, IT IS NECESSARY TO CHECK FOR
WEAR AND/OR THE STATE OF INFLATION OF TYRES
FIRST.
CAUTION
IN THE EVENT OF MALFUNCTION OF THE BATTERY, THE
ABS - ASR SYSTEM TURNS OFF.
ASR SYSTEM CALIBRATION PROCEDURE (For the EURO 5 version).
In order to maintain the effectiveness of the ASR system following the replacement of one or both tyres
a calibration procedure of the system must be performed as follows on a straight flat stretch of road.
Braking system
BRAK SYS - 237