Checking Chain Wear - BMW G 650 GS Sertão Rider's Manual

Checking chain sag
8
Make sure the ground is level
and firm and place the motor-
74
cycle on its stand.
Turn the rear wheel until it
reaches the position with the
lowest amount of chain sag.
z
Use a screwdriver to push the
chain up and down and meas-
ure difference A.
Chain deflection
40...50 mm (Motorcycle un-
laden on auxiliary stand)
If measured value is outside per-
mitted tolerance:
Adjust the chain sag (
Adjusting chain sag
Make sure the ground is level
and firm and place the motor-
cycle on its stand.
Slacken quick-release axle
nut 1, counter-holding at the
left-hand side if necessary.
Use adjusting screws 2 on left
and right to adjust chain sag.
Check the chain sag (
Make sure that scale read-
ings 3 are the same on left and
right.
74).
Tighten quick-release axle
nut 1 to the specified torque,
counter-holding at the left-hand
side if necessary.
Nut on quick-release axle
(rear wheel)
100 Nm

Checking chain wear

Make sure the ground is level
and firm and place the motor-
cycle on its stand.
74).