BMW G 310 R Rider's Manual page 87

Turn the rear wheel until it
reaches the position with the
lowest amount of chain sag.
Use a screwdriver to push the
chain 1 up and down at a point
midway between the pinion
and chain sprocket and meas-
ure the chain tension A.
Chain deflection
40...50 mm (Motorcycle with
no weight applied, supported
on its side stand)
If chain deflection is outside per-
mitted tolerance:
Adjust the chain tension
( 84).
Lubricating chain
ATTENTION
Inadequate cleaning and lub-
rication of the drive chain
Accelerated wear
Clean and lubricate the drive
chain at regular intervals.
Lubricate the drive chain every
third fuel stop.
Lubricate the chain more fre-
quently 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.
To prolong chain life,
BMW Motorrad recommends
the use of BMW Motorrad
chain lubricant, or:
Lubricant
Chain spray
Wipe off excess lubricant.
Checking the chain wear
Engage 1st gear.
Turn the rear wheel in the nor-
mal direction of travel until the
chain is tensioned.
Measure chain length under-
neath the rear wheel swinging
arm.
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85
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