Characteristics
Name
Clutch unit nut on driven pulley
Drive pulley nut
Transmission cover screws
Driven pulley shaft nut
Rear hub cap screws
Name
Flywheel cover screw
Stator assembly screws
Flywheel nut
Pick-Up clamping screws
Screw fixing freewheel to flywheel
Name
Internal engine crankcase bulkhead (transmis-
sion-side half shaft) screws
Engine-crankcase coupling screws
Starter screws
Crankcase timing cover screws
Name
Water pump rotor cover
Thermostat cover screws
Bleed screw:
Overhaul data
Assembly clearances
CHAR - 8
FLYWHEEL
CRANKCASE AND CRANKSHAFT
3.5 - 4.5 (Apply LOCTITE 242 medium-strength
COOLING
Vespa GTS 250 I.E.
Torque in Nm
45 ÷ 50
75 ÷ 83
11 ÷ 13
54 ÷ 60
24 ÷ 27
Torque in Nm
11 ÷ 13
3 - 4 (Apply LOCTITE 242 medium-strength
threadlock)
94 - 102 Nm
3 ÷ 4
13 - 15
Torque in Nm
4 ÷ 6
11 ÷ 13
11 ÷ 13
threadlock)
Torque in Nm
3 ÷ 4
3 ÷ 4
3