BMW Motorrad F 750 GS 2021, Rider'S Manual

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200 MAINTENANCE
Check that the washer 4 is
lying flat against the screw
head 3 , correct as necessary.
Checking chain wear
Requirement
Chain tension is correct.
Make sure the ground is level
and firm and place the motor-
cycle on its stand.
Check whether the third
marker line 1 can be fully
seen.
Check chain length if the third
marker line 1 can be fully seen:
Engage 1st gear.
Turn the rear wheel in the
normal direction of travel until
the chain is tensioned.
Measure the length of the
chain, rivet centre to rivet
centre, over 10 rivets below
the rear wheel swinging arm.
Turn the rear wheel in the for-
ward direction of travel and
measure chain length at 3 dif-
ferent points.
Permissible chain length
max 144 mm (measured
from the centre of 10 rivets,
chain pulled taut)
If the chain has stretched to the
maximum permissible length:
Consult a specialist work-
shop, preferably an authorised
BMW Motorrad retailer.
Check whether a rivet head 1
has twisted out of line.