Maintenance Of The Front Wheel Sensor And Sensor Rotor - Yamaha R1 Series 2015 Service Manual

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2. Install:
• Front wheel sensor rotor
Wheel sensor rotor bolt
8 Nm (0.8 m·kgf, 5.8 ft·lbf)
LOCTITE®
ECA17200
NOTICE
Replace the wheel sensor rotor bolts with
new ones.
TIP
Install the wheel sensor rotor with the stamped
mark "1" facing outward.
1
B
3. Measure:
• Wheel sensor rotor runout
Out of specification
sor rotor runout or replace the wheel sensor
rotor.
Refer to "MAINTENANCE OF THE FRONT
WHEEL SENSOR AND SENSOR ROTOR"
on page 4-29.
Wheel sensor rotor runout limit
0.25 mm (0.01 in)
EAS30155
MAINTENANCE OF THE FRONT WHEEL
SENSOR AND SENSOR ROTOR
ECA21070
NOTICE
• Handle the ABS components with care
since they have been accurately adjusted.
Keep them away from dirt and do not sub-
ject them to shocks.
• The front wheel sensor cannot be disas-
sembled. Do not attempt to disassemble it.
If faulty, replace with a new one.
• Keep any type of magnets (including mag-
netic pick-up tools, magnetic screwdrivers,
etc.) away from the front wheel sensor or
front wheel sensor rotor.
Correct the wheel sen-
• Do not drop or shock the wheel sensor or
the wheel sensor rotor.
1. Check:
• Front wheel sensor "1"
Cracks/bends/distortion
Iron powder/dust
2. Check:
• Front wheel sensor rotor "1"
Cracks/damage/scratches
front wheel sensor rotor.
Iron powder/dust/solvent
TIP
• The wheel sensor rotor is installed on the inner
side of the wheel hub.
• When cleaning the wheel sensor rotor, be
careful not to damage the surface of the sensor
rotor.
3. Measure:
• Wheel sensor rotor runout
Out of specification
surface of the wheel sensor rotor and correct
the wheel sensor rotor runout, or replace the
wheel sensor rotor.
Wheel sensor rotor runout limit
0.25 mm (0.01 in)
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a. Hold the dial gauge at a right angle against
the wheel sensor rotor surface.
b. Measure the wheel sensor rotor runout.
4-29
FRONT WHEEL
Replace.
Clean.
1
Replace the
Clean.
1
Clean the installation