Adjusting Chain Tension; Checking Chain Wear - BMW 2013 S 1000R Rider's Manual

Using a screwdriver, push the
chain 1 in the middle between
the pinion and sprocket and
measure the difference A.
Chain sag
1.4...1.8 in (35...45 mm) (Mo-
torcycle unloaded on side
stand)
If the measured value is outside
the approved tolerance:
Adjust chain tension (

Adjusting chain tension

Make sure ground is level and
firm and park motorcycle.
Loosen nut 1 for quick-release
axle.
Loosen lock nuts 3 on left and
right.
Adjust chain tension with ad-
justing screws 2 on left and
right.
Checking chain tension
( 130).
131).
Ensure that the figures 4 indi-
cating the adjustment settings
are identical on left and right.
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 for quick-release
axle to 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.
Determine chain length below
the rear wheel swinging arm
with 10 rivets.
9
131
z