Assembling The Rear Wheel; Maintenance Of The Rear Wheel Sensor And Sensor Rotor; Adjusting The Rear Wheel Static Balance - Yamaha MT-09 2021 Service Manual

Bent teeth → Replace the drive sprocket, the
rear wheel sprocket and the drive chain as a
set.
G088904
b. Correct
1. Drive chain roller
2. Rear wheel sprocket
2. Replace:
• Rear wheel sprocket
a. Remove the rear wheel sprocket nuts and
the rear wheel sprocket.
b. Clean the rear wheel drive hub with a clean
cloth, especially the surfaces that contact
the sprocket.
c. Install the new rear wheel sprocket.
Rear wheel sprocket nut
80 N·m (8.0 kgf·m, 59 lb·ft)
TIP
Tighten the rear wheel sprocket nuts in stages
and in a crisscross pattern.
EAS30163

ASSEMBLING THE REAR WHEEL

ECA21340
NOTICE
• Do not drop the wheel sensor rotor or sub-
ject it to shocks.
• If any solvent gets on the wheel sensor ro-
tor, wipe it off immediately.
1. Install:
• Wheel bearing (right side)
• Wheel bearing (left side)
• Oil seal
New
Refer to "ASSEMBLING THE FRONT
WHEEL" on page 4-14.
New
New
4-22
EAS31156
MAINTENANCE OF THE REAR WHEEL
SENSOR AND SENSOR ROTOR
ECA21060
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 rear wheel sensor cannot be disassem-
bled. 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 rear wheel sensor or
rear wheel sensor rotor.
• Do not drop or shock the wheel sensor or
the wheel sensor rotor.
1. Check:
• Rear wheel sensor
Refer to "MAINTENANCE OF THE FRONT
WHEEL SENSOR AND SENSOR ROTOR"
on page 4-15.
2. Check:
• Rear wheel sensor rotor
Refer to "MAINTENANCE OF THE FRONT
WHEEL SENSOR AND SENSOR ROTOR"
on page 4-15.
3. Measure:
• Wheel sensor rotor runout
Refer to "MAINTENANCE OF THE FRONT
WHEEL SENSOR AND SENSOR ROTOR"
on page 4-15.
EAS30164
ADJUSTING THE REAR WHEEL STATIC
BALANCE
TIP
• After replacing the tire, wheel or both, the rear
wheel static balance should be adjusted.
• Adjust the rear wheel static balance with the
brake disc and rear wheel drive hub installed.
1. Adjust:
• Rear wheel static balance
Refer to "ADJUSTING THE FRONT WHEEL
STATIC BALANCE" on page 4-15.
REAR WHEEL