PIAGGIO MP3 400 i.e., Service Manual, Page: 52 / 394

Possible Cause Operation
if they are recessed or if the balls are squashed,
replace them.
Noisy suspension
NOISY SUSPENSION
Possible Cause Operation
Malfunctions in the suspension system If the front suspension is noisy, check: the efficien-
cy of the front shock absorbers; 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
disk in the attachment to the hub and the steering
tube.
Suspension oil leakage
OIL LEAKAGE FROM SUSPENSION
Possible Cause Operation
Seal fault or breakage Replace the shock absorber Check the condition
of wear of the steering covers and the adjust-
ments.
Troubleshooting
MP3 400 i.e.
TROUBL - 4