BMW G 650 GS Sertao, Rider'S Manual

Page: 76 / 133

Chain
Lubricating chain
Dirt, dust and inadequate
lubrication will result in ac-
celerated wear and significantly
shorten the drive chain's useful
life.
Clean and lubricate the drive
chain at regular intervals.
Lubricate the drive chain every
1000 km at the latest. Lubric-
ate the chain more frequently if
the motorcycle is ridden in wet,
dusty or dirty conditions.
Switch the ignition off and se-
lect neutral.
Clean the drive chain with a
suitable cleaning product, dry it
and apply chain lubricant.
Wipe off excess lubricant.
Checking chain sag
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 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 ( 74).
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 (
74).
8
74
z Maintenance
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