MOTO GUZZI Stelvio 1200 NTX ABS Service Station Manual page 247

Stelvio 1200 NTX ABS
ABS SYSTEM DESCRIPTION
The ABS system is a device to avoid wheels lock-
ing in case of emergency braking, increasing ve-
hicle braking stability when compared to a tradi-
tional braking system.
Sometimes when the brake is operated, the tyre
locks with a consequent loss of grip, which makes
it difficult to control the vehicle.
A position sensor (1) on the tone wheel (2), form-
ing an integral unit with the vehicle wheel, "reads"
the status of the vehicle wheel spotting any possi-
ble lock. A control unit (3) signals this out and
adjusts the pressure in the braking circuit accord-
ingly.
CAUTION
WHEN THE ABS STARTS WORKING, A PULSING IS FELT
ON THE BRAKE LEVER.
THE WHEEL ANTILOCK BRAKING SYSTEM DOES NOT
PREVENT FALLS WHILE ON A BEND. AN EMERGENCY
BRAKING WITH THE VEHICLE INCLINED, HANDLE BAR
TURNED, ON UNEVEN OR SLIPPERY ROADS, OR WITH
POOR GRIP CREATES LACK OF STABILITY DIFFICULT
TO HANDLE. THEREFORE, RIDE CAREFULLY AND SEN-
SIBLY AND ALWAYS BRAKE GRADUALLY. BRAKING
WHILE TURNING A CORNER IS SUBJECT TO LAWS OF
PHYSICS WHICH NOT EVEN ABS CAN ELIMINATE.
When sensors (1) detect a significant speed difference between the rear and the front wheels (for
example, when rearing up on the back wheel), the ABS system could take this as a dangerous situation.
In this case, 2 things may occurs:
- the ABS system intervenes by releasing pressure form the callipers until both wheels turn again at the
same speed. It is not possible to brake for an instant.
- if the speed difference lasts long, the system may detect an error and deactivates the ABS system.
As a consequence, the system works as any regular braking system.
At engine start-up, the ABS warning light (7) comes on and remains on provided that the vehicle does
not exceed 5 km/h (3.1 mph). If the warning light remains on permanently, it means that a malfunction
has been detected and the ABS has been deactivated.
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Braking system
BRAK SYS - 247