PIAGGIO X9 Evolution 125 2008 Service Station Manual page 55

X9 Evolution 125
Controls
Possible Cause
Torque not conforming
Steering hardening
Malfunctions in the suspension system
Seal fault or breakage
STEERING CONTROLS AND SUSPENSIONS
Operation
Check the tightening of the top and bottom ring nuts. If irregu-
larities continue in turning the steering even after making the
above adjustments, check the seats in which the ball bearings
rotate: if they are recessed or if the balls are squashed, replace
them.
Check the tightening of the top and bottom ring nuts. If irregu-
larities continue in turning the steering even after making the
above adjustments, check the seats in which the ball bearings
rotate: if they are recessed or if the balls are squashed, replace
them.
If the front suspension is noisy, check: the efficiency of the front
shock absorber; the condition of the ball bearings and relevant
lock-nuts, the limit switch rubber buffers; and the movement
bushings. In conclusion, check the tightening torque of the
wheel hub, the brake calliper, the shock absorber disc in the
attachment to the hub and the steering tube.
Replace the shock absorber Check the condition of wear of the
steering covers and the adjustments.
Troubleshooting
TROUBL - 55