APRILIA quasar 125 Benutzerhandbuch

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use and maintenance   
Quasar 50 - 100 - 125 - 180
CHECKING AND SERVICING THE 
SUSPENSIONS
V i s u a l l y   i n s p e c t   t h e   f r o n t   a n d   r e a r
suspensions, check that they are not
scratched or damaged in any way.
Pull the front brake lever and press on the
handlebar some times to check front
suspension efficiency.
Repeat this check for the rear suspension:
pull the rear brake lever and press on the
seat rear end a few times.
In both cases the stroke should be gradual
and smooth.
Should you find suspension ≈bottoming∆,
contact an Aprilia Authorised Dealer.
ADJUSTING THE REAR SUSPENSION
The rear shock absorber fits a ring nut (1)
with 5 positions, used to adjust spring
preload setting. The standard adjustment,
set by the manufacturer, is suitable for a
rider weighing about 70 kg.
To change this setting, turn ring nut (1) with
a pin wrench:
Turn left to increase the preload (stiff).
Turn right to decrease the preload (soft).
ADJUSTING THE THROTTLE 
TWISTGRIP
There should be 2-6 mm free play in the
throttle lever (measured at lever edge). 
If not so:
Withdraw the protections (2).
Slacken the lock nut (3).
Rotate the adjuster (4) until achieving the
specified free play.
When finished, tighten the lock nut (3)
and check free play again.
Refit the protections (2).
CAUTION
When finished, turn the handlebar to make
sure its movement does not affect the
engine idle rpm and check that the throttle
lever - when released - returns smoothly to
the closed position.
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