VESPA ET4 50 Specifications Page 131
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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1. Tank cover.
2 - Pump body.
3 - Brake lever.
4 - Pump plunger.
5- Oil delivery hose.
6 - Protection cap for air bleed screw.
7- Calliper.
8- Dust guard
9- Piston sealing ring.
10- Piston.
11 - Brake pad.
12 - Brake disc.
Front brake calliper
Removal
- Slacken the two fixings between the support and
the shock absorber.
- Remove the circlip from the wheel spindle.
- Remove the speedometer cable.
- Withdraw the calliper support.
Overhaul
- Remove the calliper assembling bolts and take out the internal bodies and components. If necessary,
in order to make it easier to take out the plungers, inject (shorts blasts of) compressed air through the
brake fluid pipe.
ET4 50 Braking system
BRAK SYS - 131
- WORKSHOP MANUAL 1
- WORKSHOP 2
- CHARACTERISTICS CHAR 6
- Vehicle identification 8
- Dimensions and mass 8
- FRAME AND SUSPENSIONS 10
- WHEELS AND TYRES 10
- CARBURETTOR KEHIN 10
- ET4 50 Characteristics 11
- Overhaul data 12
- Assembly clearances 12
- Cylinder - piston assy 12
- Slot packing system 14
- TOOLING TOOL 16
- ET4 50 Tooling 17
- Tooling ET4 50 18
- TOOL - 18 18
- TOOL - 20 20
- TOOL - 22 22
- MAINTENANCE MAIN 24
- ET4 50 Maintenance 25
- AT 24000 KM OR 48000 KM 26
- AT 36000 KM 26
- AT 72000 KM 26
- Carburettor 28
- Checking the spark advance 28
- Replacement 30
- Air filter 30
- CO check 32
- TROUBLESHOOTING TROUBL 34
- ET4 50 Troubleshooting 35
- High fuel consumption 36
- ELECTRICAL EQUIPMENT FAILURE 38
- STEERING HARDENING 38
- EXCESSIVE STEERING CLEARANCE 38
- SUSPENSION NOISY 38
- ELECTRICAL SYSTEM ELE SYS 40
- ET4 50 Electrical system 41
- Conceptual diagrams 42
- Ignition 42
- Battery recharge and starting 44
- Turn signal lights 46
- Ignition circuit 48
- Recharge system voltage check 50
- Turn signals system check 52
- ENGINE FROM VEHICLE ENG VE 56
- ET4 50 Engine from vehicle 57
- ENGINE ENG 58
- Removing the driven pulley 60
- Inspecting the clutch 62
- Pin retaining collar 62
- Refitting the driven pulley 66
- Drive-belt 66
- Refitting the driving pulley 68
- Removing the hub cover 70
- Inspecting the hub shaft 72
- Inspecting the hub cover 72
- Flywheel cover 74
- Cooling hood 74
- Removing the starter motor 76
- Removing the flywheel magneto 76
- Refitting the starter motor 78
- Removing the cam shaft 80
- Inspecting the small end 82
- Inspecting the cylinder 84
- Inspecting the piston rings 84
- Choosing the gasket 86
- Refitting the piston rings 88
- Inspecting the cylinder head 90
- Inspecting the valves 92
- Inspecting the cam shaft 94
- Refitting the timing chain 96
- Refitting the intake manifold 98
- Crankcase - crankshaft 98
- Characteristic 100
- Specific tooling 100
- ET4 50 Engine 101
- Lubrication 102
- Oil pump 104
- Refitting 106
- Removing the carburettor 108
- Refitting the carburettor 112
- Level check 114
- Electric characteristic 116
- INDEX OF TOPICS 120
- SUSPENSIONS SUSP 120
- ET4 50 Suspensions 121
- Refitting the front wheel 122
- Overhaul 124
- Recommended products 126
- Steering bearing 128
- BRAKING SYSTEM BRAK SYS 130
- ET4 50 Braking system 131
- Locking torques (N*m) 132
- Front brake pads 134
- Front brake pump 134
- ET4 50 Chassis 137
- Rear handlebar cover 138
- Instrument panel 138
- Legshield 140
- Footrest 140
- Front mudguard 142
- Top-case 142
- PRE-DELIVERY PRE DE 144
- ET4 50 Pre-delivery 145
- Levels check 146
- Road test 146
- Functional inspection 146
- TIME TIME 148
- ET4 50 Time 149
- Crankcase 150
- Crankshaft 150
- Rocker arms support assy 152
- Driven pulley 154
- Final gear assy 156
- Transmission cover 158
- Flywheel magneto 160
- Exhaust pipe 162
- Time ET4 50 164
- TIME - 164 164
- Rear cover 166
- Plate holder 166
- Rear shock-absorber 168
- Handlebar covers 170
- HANDLEBAR COMPONENTS 172
- Rear wheel 174
- ELECTRICAL DEVICES 176
- ELECTRIC DEVICES 178
- Brake callipers 180
- Steering column 182
- BRAKE LEVER 184
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