Tightening Torques; Front Suspension; Front Brake - VESPA ET4 50 Workshop Manual

ET4 50
Specification
Fuel inlet hole
Starter piston protrusion

Tightening Torques

Upper steering ring nut
Lower steering ring nut
Handlebar fastening
Engine-swinging arm bolt
Floating arm-frame pin
Shock absorber - chassis nut
Shock absorber-engine nut
Rear wheel nut
Speedometer gear plate fixing screw
Shock absorber upper nut
Front wheel axle nut
Shock absorber upper bracket bolts
Wheel rim screws
Shock absorber lower bolts (°)
(°)Tighten these two bolts after tightening the shock absorber central upper nut.
N.B.
FOR INFORMATION ON SAFETY TIGHTENINGS, REFER TO CHAPTER «PRE-CONSIGNMENT
CHECKS».
Brake fluid pump-hose fitting
Brake fluid pipe-calliper fitting
Screw tightening calliper to the support
Brake disc screw
Oil bleed valve (on the calliper)
Handlebar pump
Spark plug:
Head cover screws
Head-cylinder stud bolt nuts
Screws fixing head and cylinder to crankcase
Chain tensioner pad screw
Timing chain tensioner central screw
Camshaft pulley screw
Rocking lever axle and camshaft bearing screw
Rocker-arm adjusting nuts:
Engine oil pre-filter cover:
Engine oil drainage cap
Flywheel nut
Stator screws
Pick-up screws
Oil pump bulkhead screw
Timing chain/oil pump compartment cover screws
STEERING ASSEMBLY
Name
FRAME ASSEMBLY
Name

FRONT SUSPENSION

Name

FRONT BRAKE

Name
ENGINE ASSEMBLY
Name
Characteristics
Desc./Quantity
Ø 1,2 mm
11 mm at 24°C
Torque in Nm
30 ÷ 40
8 ÷ 10
45 ÷ 50
Torque in Nm
33 ÷ 41
44 ÷ 52
20 ÷ 25
33 ÷ 41
137 ÷ 152
4 ÷ 6
Torque in Nm
20 ÷ 30
75 ÷ 90
20 ÷ 25
20 ÷ 25
20 ÷ 27
Torque in Nm
8 ÷ 12
20 ÷ 25
20 ÷ 25
5 ÷ 6.5
10 ÷ 12
7 ÷ 10
Torque in Nm
10 ÷ 15 Nm
8 ÷ 10
6 ÷ 7 + 90° + 90° *
8 ÷ 10
5 ÷ 7 Nm
5 - 6
12 ÷ 14
3 ÷ 4 Nm
7 ÷ 9 Nm
25 ÷ 28 Nm
25 ÷ 28
40 to 44 N.m
3 ÷ 4
3 ÷ 4
4 ÷ 5
4 ÷ 5
CHAR - 11