Yamaha YFM45FAT Supplementary Service Manual page 38

Troubleshooting chart
When basic condition "a" and "b" exist, check the following points:
Elevate and spin both wheels. Feel for
wheel bearing damage.
Check the wheel nuts and hub nuts for tight-
ness.
Check the front constant velocity joints. Feel
for bearing damage.
Check the rear brake adjustment.
Check the rear constant velocity joints. Feel
for bearing damage.
Remove the drive shaft components.
TROUBLESHOOTING
NO
YES
YES
YES
YES
– 30 –
YES Replace the wheel bearings.
(Refer to "STEERING SYSTEM" (Manual
No.: 5ND2-AE2) for the front wheel bearings
or "REAR KNUCKLES AND STABILIZER"
for the rear wheel bearings.
NO
Torque to specification.
(Refer to "FRONT AND REAR WHEELS" in
chapter 8 (Manual No.: 5ND2-AE1) for the
front wheel nuts and hub nuts or "FRONT
AND REAR WHEELS" for the rear wheel
nuts and hub nuts.)
NO
Constant velocity
differential gear bearings are probably not
damaged. Repeat the test or remove the
individual components.
NO
Adjust per instructions.
(Refer to "ADJUSTING
BRAKE".)
NO
Constant velocity joint bearings and final
drive gear bearings are probably not
damaged. Repeat the test or remove the
individual components.
DRIV
joint bearings and
THE REAR