VESPA 150, Service Station Manual

Page: 216 / 249

PAY PARTICULAR ATTENTION TO THE FIT-
TING OF THE SPEED SENSOR; PROCEED AS
FOLLOWS:
- Mount the sensor on its seat.
- Measure the distance « Y » between the brake
disc and the sensor with a feeler gauge.
- Based on the measured distance, insert the cal-
ibration thickness number (from the spare parts
catalogue) indicated in the table between sensor
and support.
Characteristic
Calibration thickness
0.3 ± 0.03 mm
Locking torques (N*m)
Speed sensor fastener screw
8 ÷ 10
SPEED SENSOR MOUNTING
Distance (mm) Calibration thickness number
Y = 4.7 - 5 1
Y = 4.4 - 4.6 2
Y = 4.3 - 4.1 3
Y = 4 - 3.8 4
Y = 3.7 - 3.5 5
Y = 3.4 - 3.2 6
Steering bearing
Removal
- Use the specific tool both to remove the lower seat of the upper bearing and to remove the upper seat
of the lower bearing fitted on the chassis.
N.B.
TO REMOVE THE LOWER SEAT OF THE LOWER STEERING BEARING JUST USE A SCREW-
DRIVER AS A LEVER BETWEEN THE SEATING AND THE SLEEVE.
Specific tooling
020004Y Punch to remove steering bearings from headstock
Suspensions
Vespa Primavera125 - 150 i.e. 3Valvole (2013)
SUSP - 216