Yamaha VMX12 2001 Service Manual page 371

EAS00716
Troubleshooting chart
When causes (A) or (B) shown in the table at the beginning of the "TROUBLESHOOTING" section
exist, check the following points.
Place the motorcycle on a suitable stand so
that the front wheel is elevated and then
spin the front wheel. Is the wheel bearing
damaged?
Place the motorcycle on a suitable stand so
that the rear wheel is elevated and then spin
the rear wheel. Is the wheel bearing dam-
aged?
Remove the rear wheel. Is the wheel bear-
ing damaged?
Remove and check the drive shaft compo-
nents.
NO
YES
NO
7 - 96
SHAFT DRIVE
YES Replace the wheel bearing.
Refer to "FRONT WHEEL AND BRAKE
DISCS".
Rear wheel bearings and shaft drive bear-
NO
ings are probably not damaged. Repeat the
test or remove and check the components.
YES Replace the rear wheel bearing.
Refer to "REAR WHEEL AND BRAKE
DISCS".
CHAS