Specification Desc./Quantity
Front tyre pressure 1.6 bar
Rear tyre pressure 2 bar
Rear wheel pressure (rider and passenger): 2.3 bar
N.B.
CHECK AND ADJUST TYRE PRESSURE WITH TYRES AT AMBIENT TEMPERATURE. REGU-
LATE PRESSURE ACCORDING TO THE WEIGHT OF BOTH RIDER AND ACCESSORIES
Tightening Torques
LUBRICATION
Name Torque in Nm
Hub oil drainage cap 15 to 17
Minimum oil pressure sensor 12 to 14
Oil filter 4 to 6
Oil pump cover screws 5 to 6
Screws fixing oil pump to the crankcase 5 to 6
Oil pump command sprocket screws 10 to 14
Chain cover screws 4 to 6
Oil sump screws 10 to 14
Minimum oil pressure sensor 12 to 14
Blow-by recovery duct fixing screws 3 - 4
Engine oil drainage plug/ mesh filter 24 to 30
MUFFLER
Name
Torque in Nm
Muffler heat guard fixing screw 4 to 5
Screws fixing exhaust pipe to the crankcase 24 to 27
Lambda probe tightening on exhaust manifold 40 to 50
HEAD AND CYLINDER
Name
Torque in Nm
Ignition spark plug 12 to 14
Head cover screws 11 to 13
Nuts fixing head to cylinder (*) 28 to 30
Head fixing screws (external) 11 to 13
Starter ground screw 7 to 8.5
Flywheel cover screw 1 to 2
Flywheel air duct screw 3 to 4
Pressure reducer counterweight retainer 7 to 8.5
Camshaft sprocket screw 12 to 14
Timing chain tensioner slider screw 10 to 14
Start up counterweight support screw 11 to 15
Tensioner screws 11 to 13
Timing chain tensioner central screw 5 to 6
Camshaft retention plate screw 4 to 6
Nut fixing muffler to cylinder head 16 to 18
Head intake manifold screw 11 to 13
(*) Lubricate the retainer threads before fitting and lock in a crossed sequence and repeat tightening 2 or 3 times.
TRANSMISSION
Name
Torque in Nm
Drive pulley nut 75 to 83
Transmission cover screw 11 to 13
Driven pulley shaft nut 54 to 60
Rear hub cap screw 24 to 27
Clutch unit nut on driven pulley 45 to 50
Hub oil drainage screw 15 to 17
Characteristics Vespa LX 125 - 150 i.e.
CHAR - 14
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