Vespa LX Series - Page 128

Locking torques (N*m)
Locking torque 11 to 13
- Insert the chain tensioning screw, together with the spring and washer, tightening it to the prescribed
torque.
Locking torques (N*m)
Locking torque 5 to 6
- Adjust the valve clearance.
- Fit the spark plug
Characteristic
Spark plug (125cc)
NGK CR8EB
Spark plug (150cc)
NGK CR7EB
Electric characteristic
Electrode gap
0.7 to 0.8 mm
Locking torques (N*m)
Locking torque 12 to 14
- Assemble the casing sealing gasket on the head.
On the fitting direction, use the supplements on the
timing side as reference.
- Assemble the screw fixing the housing to the
crankcase to the specified torque and the 2 self-
threading screws joining the half-shells.
- Take care that the gasket is well inserted in its
housing during the assembly stage.
- Place the spark plug access cap.
Locking torques (N*m)
Locking torque 3 to 4
- Refit the cylinder head cover, tightening the 4
clamping screws to the prescribed torque.
- Refit the fan and the housing.
- Reassemble the oil pump control, the chain com-
partment cover, the by-pass and the oil sump as
described in the lubrication chapter.
Engine Vespa LX 125 - 150 i.e.
ENG - 128