Adjusting Chain Tension; Checking Chain Wear - BMW S 1000XR Rider's Manual

If the chain sag is outside the
8
approved tolerance:
Adjust chain tension (
158

Adjusting chain tension

Park motorcycle, ensuring that
support surface is firm and
level.
z
Loosen nut 1.
Loosen lock nuts 3 on left and
right.
Adjust chain tension with ad-
justing screws 2 on left and
right.
Check chain tension (
Ensure that the figures 4 indi-
cating the adjustment settings
are identical on left and right.
158).
Tighten locknuts 3 on left and
right to the specified torque.
Locknut of drive-chain
tensioning screw
14 lb/ft (19 Nm)
Tighten nut 1 to the specified
torque.
Rear-wheel quick-release
axle in swinging arm
Thread-locking compound:
mechanical
74 lb/ft (100 Nm)

Checking chain wear

Engage 1st gear.
Rotate rear wheel toward front
of vehicle until the chain is ten-
sioned.
157).
Determine chain length below
rear wheel swinging arm.
Permissible chain length
max 5.7 in (max 144.30 mm)
(Measured over the center of
10 rivets, chain tensioned)
If the chain has reached the max-
imum approved length:
Contact an authorized service
facility, preferably an authorized
BMW Motorrad retailer.