Checking Chain Tension; Adjusting Chain Tension - BMW F 750 GS Rider's Manual

Switch the ignition off and
select 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, O-ring compat-
ible
Wipe off excess lubricant.

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 the
chain up and down at a point
midway between the pinion
and sprocket and measure
difference A.
Chain deflection
30...40 mm (Motorcycle with
no weight applied, supported
on its side stand)
with low-slung
25...35 mm (Motorcycle with
no weight applied, supported
on its side stand)
If measured value is outside
permitted tolerance:
Adjust the chain tension
( 213).

Adjusting chain tension

Make sure the ground is level
and firm and place the motor-
cycle on its stand.
Loosen the axle nut 1.
Use adjusting screws 3 on
left and right to adjust chain
tension.
Check the chain tension
( 213).
Make sure that scale read-
ings 2 are the same on left
and right.
213
OE