brake sensor YAMAHA YZF-R1M 2017 Owners Manual

Instrument and control functions
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EAU67041
Brake systemThis model is equipped with an inte-
grated anti-lock brake system (ABS)
and a variable unified brake system
(UBS).
Regarding ABS, operate the brakes as
you would conventional brakes. If the
ABS is activated, a pulsating sensation
may be felt at the brake lever or brake
pedal. In this situation, continue to ap-
ply the brakes and let the ABS work; do
not “pump” the brakes as this will re-
duce braking effectiveness.
WARNING
EWA16051
Always keep a sufficient distance
from the vehicle ahead to match the
riding speed even with ABS.
The ABS performs best with
long braking distances.

On certain surfaces, such as
rough or gravel roads, the brak-
ing distance may be longer withthe ABS than without.
The ABS and UBS hydraulic control
unit is monitored by the ABS ECU,
which will revert the system to conven- tional braking if a malfunction occurs.
TIP
The ABS performs a self-diagno-
sis test when the vehicle is started
and reaches a speed of 10 km/h (6
mi/h). During this test, a “clicking”
noise may be audible from the hy-
draulic control unit, and a vibration
may be felt at the bake lever or
pedal, but this is normal.

This ABS has a test mode which
allows the owner to experience the
pulsation at the brake lever or
brake pedal when the ABS is oper-
ating. However, special tools are
required, so please consult yourYamaha dealer.
NOTICE
ECA20100
Be careful not to damage the wheel
sensor or wheel sensor rotor; other-
wise, improper performance of theABS will result.
Regarding variable UBS, operating the
brake lever will generate corresponding
brake pressure at the front brake and to
a variable degree, the rear brake. The
1. Front wheel sensor rotor
2. Front wheel sensor
1. Rear wheel sensor rotor
2. Rear wheel sensor
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