VESPA ET4 50 Specifications Page 11
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- Table of contents
- TROUBLESHOOTING
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Rated. / 5. Based on customer reviews
Specification Desc./Quantity
Fuel inlet hole Ø 1,2 mm
Starter piston protrusion 11 mm at 24°C
Tightening Torques
STEERING ASSEMBLY
Name Torque in Nm
Upper steering ring nut 30 ÷ 40
Lower steering ring nut 8 ÷ 10
Handlebar fastening 45 ÷ 50
FRAME ASSEMBLY
Name Torque in Nm
Engine-swinging arm bolt 33 ÷ 41
Floating arm-frame pin 44 ÷ 52
Shock absorber - chassis nut 20 ÷ 25
Shock absorber-engine nut 33 ÷ 41
Rear wheel nut 137 ÷ 152
Speedometer gear plate fixing screw 4 ÷ 6
FRONT SUSPENSION
Name Torque in Nm
Shock absorber upper nut 20 ÷ 30
Front wheel axle nut 75 ÷ 90
Shock absorber upper bracket bolts 20 ÷ 25
Wheel rim screws 20 ÷ 25
Shock absorber lower bolts (°) 20 ÷ 27
(°)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».
FRONT BRAKE
Name
Torque in Nm
Brake fluid pump-hose fitting 8 ÷ 12
Brake fluid pipe-calliper fitting 20 ÷ 25
Screw tightening calliper to the support 20 ÷ 25
Brake disc screw 5 ÷ 6.5
Oil bleed valve (on the calliper) 10 ÷ 12
Handlebar pump 7 ÷ 10
ENGINE ASSEMBLY
Name
Torque in Nm
Spark plug: 10 ÷ 15 Nm
Head cover screws 8 ÷ 10
Head-cylinder stud bolt nuts 6 ÷ 7 + 90° + 90° *
Screws fixing head and cylinder to crankcase 8 ÷ 10
Chain tensioner pad screw 5 ÷ 7 Nm
Timing chain tensioner central screw 5 - 6
Camshaft pulley screw 12 ÷ 14
Rocking lever axle and camshaft bearing screw 3 ÷ 4 Nm
Rocker-arm adjusting nuts: 7 ÷ 9 Nm
Engine oil pre-filter cover: 25 ÷ 28 Nm
Engine oil drainage cap 25 ÷ 28
Flywheel nut 40 to 44 N.m
Stator screws 3 ÷ 4
Pick-up screws 3 ÷ 4
Oil pump bulkhead screw 4 ÷ 5
Timing chain/oil pump compartment cover screws 4 ÷ 5
ET4 50 Characteristics
CHAR - 11
- 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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