Front Brake; Engine Assembly; Overhaul Data; Assembly Clearances - VESPA S 50 4T 4V (2008) Manual

Characteristics
N.B.
FOR SAFETY LOCKS, SEE THE «PRE-DELIVERY» CHAPTER.
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
Ignition spark plug:
Floating 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
Rocking levers 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
Oil decantation labyrinth sheet screws
Oil pump crown screw
Screws fixing oil pump to the crankcase
Oil sump screws
Inlet manifold screw
Carburettor/manifold clamp screw
Screws fixing cables to starter motor
Starter screws
Transmission cover screws
Start-up lever screw
Crankcase cooling cover screw
Clutch assembly nut
Crankshaft pulley nut
Driven pulley shaft nut
Hub oil drainage screw
Rear hub cap screws
Crankcase half union screw
* When assembling the new stud bolts, nut tightening involves 3 turns of 90° each after the first locking
at 6 ÷ 7 Nm, consequently: 6 ÷ 7 Nm + 90° + 90° + 90° at criss-crossed sequences.

Overhaul data

Assembly clearances

CHAR - 14

FRONT BRAKE

Name

ENGINE ASSEMBLY

Name
Vespa S 50 4T 4V (2008)
Torque in Nm
8 ÷ 12
20 ÷ 25
20 ÷ 25
5 ÷ 6.5
10 ÷ 12
7 ÷ 10
Torque in Nm
10 ÷ 15 Nm
6 ÷ 7
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
7 ÷ 8
8 ÷ 10
5 ÷ 6
8 ÷ 10 Nm
7 ÷ 9
1.2 ÷ 1.5
1.5 ÷ 2.5
11 ÷ 13
11 ÷ 13
11 ÷ 13
2 ÷ 2.5
55 ÷ 60
18 to 20 + 90° Nm
40 to 44 Nm
3 ÷ 5 Nm
11 ÷ 13
8 ÷ 10