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Clean the drive chain with a
9
suitable cleaning product, dry it
and apply chain lubricant.
138
To prolong chain life,
BMW Motorrad recommends
the use of BMW Motorrad
chain lubricant or:
Lubricant
Chain spray
Wipe off excess lubricant.
z
Checking chain tension
Make sure the ground is level
and firm and place the motor-
cycle on its stand.
Turn the rear wheel until it
reaches the position with the
lowest amount of chain sag.
Use a screwdriver to push
chain 1 up and down at a point
midway along the run between
pinion and sprocket and meas-
ure difference A.
Chain deflection
35...45 mm (Motorcycle with
no weight applied, supported
on its side stand)
If measured value is outside per-
mitted tolerance:
Adjust the chain tension
(
138).
Adjust the chain tension
Make sure the ground is level
and firm and place the motor-
cycle on its stand.
Slacken nut 1 for the quick-
release axle.
Slacken locknuts 3 on left and
right.
Use adjusting screws 2 on left
and right to adjust chain ten-
sion.
Checking chain tension
(
138).
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