FEATURES
1-6
ABS layout
ABS
The operation of the Yamaha ABS brakes is the same as conventional brakes on other vehicles, with
a brake lever for operating the front brake and a brake pedal for operating the rear brake. However, part
of the front brake is operated together with rear brake.
When wheel lock is detected during emergency braking, hydraulic control is performed by the hydraulic
system on the front and rear brakes independently.
Useful terms
• Wheel speed:
The rotation speed of the front and rear wheels.
• Chassis speed:
The speed of the chassis.
When the brakes are applied, wheel speed and chassis speed are reduced. However, the chassis
travels forward by its inertia even though the wheel speed is reduced.
• Brake force:
The force applied by braking to reduce the wheel speed.
• Wheel lock:
A condition that occurs when the rotation of one or both of the wheels has stopped, but the vehicle
continues to travel.
• Side force:
The force on the tires which supports the vehicle when cornering.
4
5
6
7
8
9
10
11,12
13
14
1
2
3
A
A
15
16
5
7
1. ABS test coupler
2. ABS warning light
3. ABS ECU fuse
4. ABS motor fuse
5. ABS motor relay
6. ABS ECU (electronic control unit)
7. Hydraulic unit (HU)
8. Rear wheel sensor
9. Rear wheel sensor rotor
10. Rear brake caliper
11. Left front brake caliper
12. Right front brake caliper (partially operated
together with the rear brake)
13. Front wheel sensor
14. Front wheel sensor rotor
15. Proportioning valve
16. Metering valve
Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys
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