Front Brake; Engine Assembly; Overhaul Data; Assembly Clearances - VESPA LX 4T USA Workshop Manual

Characteristics
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:
Screw fixing floating head
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
Oil decantation labyrinth sheet screws
Oil pump crown screw
Screws fixing oil pump to crankcase
Oil sump screws
Inlet manifold screw
Manifold/carburettor clamp screw
Screws fixing cables to starter motor
Starter motor 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 cover screws
Crankcase half union screw
*When new stud bolts are assembled, tighten them with 3 turns at 90° after the first tightening at 6-7
N·m, therefore 6-7 N·m + 90 ° + 90 ° + 90 °, in a crosswise manner.

Overhaul data

Assembly clearances

CHAR - 12

FRONT BRAKE

Name

ENGINE ASSEMBLY

Name
LX 4T USA
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