Drive Chain - APRILIA MX 125 Manual De Instrucciones

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DRIVE CHAIN

Carefully read pag. 55 (MAINTENANCE).
The vehicle is equipped with a chain with
ring link joint.
In case of disassembly and reassembly of
the chain, make sure that the clip (1) of the
ring link joint has its open side opposite the
travelling direction (see figure).
WARNING
An excessive slackening of the chain
c a n c a u s e i t t o c o m e o f f o f t h e
sprockets, which often results in
accidents or serious damage to the
vehicle. Periodically check the slack
and adjust it if necessary, see pag. 67
(ADJUSTMENT).
T o c h a n g e t h e c h a i n , c o n t a c t a n
Concessionario Ufficiale aprilia, who
will ensure you prompt and accurate
servicing.
use and maintenance MX 125
66
WARNING
Incorrect maintenance may cause the
untimely wear of the chain and/or
damages to the pinion and/or the
crown.
Carry out the maintenance operations
more frequently if you use the vehicle in
difficult conditions or on dusty and/or
muddy roads.
CHECKING THE SLACK
To check the slack, proceed as follows:
Stop the engine.
Position the vehicle on the stand.
Position the shifting lever in neutral.
Make sure that the vertical oscillation, in
an intermediate point between pinion
and crown in the lower part of the chain,
is about 30 ÷ 35 mm.
4
5
2
Move the vehicle forwards, or turn the
wheel, in order to be able to check the
vertical oscillation of the chain even
when the wheel turns; the slack must be
constant in all the rotation phases of the
wheel.
WARNING
If in some positions the slack is higher
than in others, this means that there are
crushed or seized links; in this case,
contact an aprilia Official Dealer.
To prevent the risk of seizures, lubricate
th e chain frequen tly, see p a g . 6 7
(LUBRICATION AND CLEANING).
If the slack is uniform, but higher or lower
than 30 ÷ 35 mm, adjust it, see pag. 67
(ADJUSTMENT).
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