2
4
3
L
211 2 3
EN
EN - 41
- loosen the check nuts (3) on both chain tensioners
and work on the screws (4) with a 0.39 in. wrench
to achieve the right tension;
- adjust the check nuts (3) to a coupling torque of
22 Nm and the wheel axle nut (2), to a coupling
torque of 142 Nm.
After adjustment, always make sure that chain has
a slack of 0.47 in.
CHECKING THE WEAR OF CHAIN, PINION AND SPROCK-
ET
Proceed as follows:
- fully stretch the chain with the adjusting screws.
- mark 20 chain links.
- measure the distance “L” between 1st pin center
and 21
st
pin center.
STANDARD WEAR LIMIT
12,5 in. 12,72 in.
Check the pinion damages or wear and replace it
should the wear degree be as the one shown in fig-
ure.
Remove the wheel and check the wear of the rear
sproket teeth. The below figure shows the outline
of teeth in normal and excessive wear. Should the
sprocket be badly worn out, replace it by loosening
the six fastening screws to the hub.
WARNING*: Misalignment of the wheel will re-
sult in abnormal wear and may result in an
unsafe riding condition.
Note*: In muddy and wet conditions, mud sticks to
the chain and sprockets resulting in an overtight
chain. The pinion, the chain, and the rear sprocket
wheel wear increases when running on muddy
ground.
Normal consumption
Excessive consumption
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