Drive Chain - APRILIA SXV / RXV 450 550 Use And Maintenance Book

Sxv / rxv 450 550
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SXV / RXV 450 - 550
3.1.10.

DRIVE CHAIN

Carefully read (MAINTENANCE).
SXV fits an endless chain, while RXV fits a chain with master
link.
DANGER
An excessive slackening of the chain may make
the chain detach from the sprocket, resulting in
an accident or vehicle serious damage.
Periodically check the slack and adjust it if
necessary, see (CHAIN SLACK ADJUSTMENT).
To change the chain, contact an aprilia
Authorized Dealer, who will ensure you prompt
and accurate servicing.
DANGER
Incorrect maintenance may cause the untimely
wear of the chain and/or damages to the front
sprocket and/or the rear sprocket.
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 gear shift lever in neutral.
Check chain slack by measuring the vertical movement
of the chain lower section, midway between the
sprockets.
Movement
0.79 -0.98 in. (20 / 25 mm).
Move the motorcycle forward, in such a way as to
check the vertical oscillation of the chain even in other
positions; the slack must be constant in all the wheel
rotation phases.
DANGER
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
Authorized Dealer. To prevent the risk of
seizures, lubricate the chain frequently, see
(CLEANING AND LUBRICATION).
If the slack is the same in all positions, but higher or lower
than 20 - 25 mm (0.79 - 0.98 in), adjust it, see (CHAIN
SLACK ADJUSTMENT).
CHAIN SLACK ADJUSTMENT
If the chain needs adjusting after the inspection, proceed as
follows:
Position the vehicle on the stand.
Loosen the nut (1) completely.
NOTE Wheel centering is aided by fixed reference marks (2 -
3) located inside the seats of the chain sliders/tensioners
fitted to the swing arm before the wheel shaft.
Loosen the two lock nuts (4).
Work the adjusters (5) and adjust chain slack, making
sure to use the same reference mark settings (2-3) on
both sides of the vehicle.
Tighten the two lock nuts (4).
should
be
approximately
MAINTENANCE
3 - 25

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Rxv450Rxv550Sxv450Sxv550

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