Yamaha TMAX 2020, Service Manual

Page: 155 / 688

4-26
FRONT WHEEL
3. Install:
• Air valve
TIP
• Fasten air valve nut “1” and tighten air valve
locknut “2” to 3.0 N·m (0.30 kgf·m, 2.2 lb·ft).
• When installing the air valve, orient the air
valve referring to the illustration.
a. Tighten the air valve nut “1”.
b. Tighten the air valve locknut “2” while hold-
ing the air valve nut so as not to turn the nut.
4. Measure:
• Wheel sensor rotor runout
Out of specification

Correct the wheel sen-
sor rotor runout or replace the wheel sensor
rotor.
Refer to “MAINTENANCE OF THE FRONT
WHEEL SENSOR AND SENSOR ROTOR”
on page 4-26.
EAS30155
MAINTENANCE OF THE FRONT WHEEL
SENSOR AND SENSOR ROTOR
NOTICE
ECA21070
• 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.
• Do not drop or shock the wheel sensor or
the wheel sensor rotor.
1. Check:
• Front wheel sensor “1”
Cracks/bends/distortion

Replace.
Iron powder/dust

Clean.
2. Check:
• Front wheel sensor rotor
Cracks/damage/scratches

Replace the
front wheel sensor rotor.
Iron powder/dust/solvent

Clean.
Front wheel air valve nut
2.0 N·m (0.20 kgf·m, 1.5 lb·ft)
Front wheel air valve locknut
3.0 N·m (0.30 kgf·m, 2.2 lb·ft)
a. 45

–55

A. Wheel rotation direction
B. Left side
1
G088900
T
R
.
.
T
R
.
.
1
2
Wheel sensor rotor runout limit
0.25 mm (0.01 in)