- Reassemble the driving pulley, the belt and the
transmission cover as described in the transmis-
sion chapter.
Locking torques (N*m)
Locking torque 11 to 13
Crankcase - crankshaft
- Precautionary remove the following units:
transmission cover, driving pulley, driven pulley
and belt, rear hub cover, gears, bearings and oil
seals as described in the transmission chapter.
- Remove the oil sump, the by-pass, the chain
compartment cover and the oil pump as in the lu-
brication chapter.
- Remove the flywheel cover, the fan, the flywheel
and the stator as described in the magneto fly-
wheel chapter.
- Remove the oil filter and the oil pressure bulb.
- Remove the cylinder-piston-head unit as descri-
bed in the cylinder head timing system chapter.
- Remove the 2 retainers indicated in the figure
and the starter motor.
- Before opening the crankcase, it is advisable to
check the axial clearance of the crankshaft. To do
this, use a plate and a support with specific tool
dial gauge.
Specific tooling
020262Y Crankcase splitting plate
020335Y Magnetic mounting for dial gauge
Characteristic
Standard clearance
0.15 to 0.40 mm
Vespa LX 125 - 150 i.e. Engine
ENG - 129
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