VESPA 946 E4 EMEA 2021 Manual page 42

Technical Data
- Check that the camshaft bearings exhibit no
scores or abnormal wear.
- Using a micrometer, measure the camshaft bear-
ings.
Specification
Camshaft check: Standard diameter
Camshaft check: Standard diameter
- Measure the external diameter of the rocking lev-
er pins
- Check the rocker pins do not show signs of wear
or scoring.
- Measure the internal diameter of each rocker
Check there are no signs of wear on the pad from
contact with the cam and on the jointed adjustment
plate.
Specification
Rocking lever inside diameter: Standard diameter (C)
Rocking lever pin diameter: Standard diameter (D)
DT - 42
Vespa 946 E4-E5 EMEA-USA-ASIA (2021-)
S
TANDARD DIAMETER
D
IAMETER OF PINS AND ROCKING LEVERS
Desc./Quantity
Bearing A Ø: 25.002 to 25.015 mm
Bearing B diameter: 12.002 to 12.013 mm
Desc./Quantity
Ø 10.015 to 10.035 mm
Ø 10.015 to 10.023 mm