Drive Chain - APRILIA PEGASO 650 IE - 2004 Manual

DRIVE CHAIN

Carefully read p. 51 (MAINTENANCE).
The vehicle is equipped with an endless
chain, in which a ring link joint is not used.
CAUTION
An excessive slackening of the chain
may cause noise or make the chain
rattle, with consequent wear of the shoe
and of the chain guide plate.
Periodically check the slack and adjust
i t i f n e c e s s a r y , s e e
(ADJUSTMENT).
To change the chain, contact an aprilia
Official Dealer, who will ensure you
prompt and accurate servicing.
Incorrect maintenance may cause the
untimely wear of the chain and/or
damages to the pinion and/or the
crown.
62 use and maintenance Pegaso 650 I.E.
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:
u Stop the engine, see p. 48 (STOPPING).
Position the vehicle on the appropriate
u
r e a r s u p p o r t s t a n d , s e e p . 6 1
(POSITIONING THE VEHICLE ON THE
REAR SUPPORT STAND
u Position the shifting lever in neutral.
Make sure that the vertical oscillation, in
u
an intermediate point between pinion
and crown in the lower part of the chain,
is included between 35–45 mm.
u Rotate the wheel manually, 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.
p . 6 2
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
t h e c h a i n f r e q u e n t l y , s e e p . 6 3
(CLEANING AND LUBRICATION).
CAUTION
).
CAUTION
If the clearance is slack is uniform, but
higher than 45 mm or lower than 35 mm,
adjust it, see p. 62 (ADJUSTMENT).
ADJUSTMENT
If after the check it is necessary to adjust
the chain tension, slacken the chain to
increase the slack, tighten the chain to
decrease it.
u Position the vehicle on the appropriate
r e a r s u p p o r t s t a n d , s e e p . 6 1
(POSITIONING THE VEHICLE ON THE
REAR SUPPORT STAND
u Lock the rotation of the wheel pin (1) with
the appropriate key.
u Loosen the nut (2).
).