VESPA ET4 50 Manuals

Manuals and User Guides for VESPA ET4 50. We have 1 VESPA ET4 50 manual available for free PDF download: Workshop Manual

VESPA ET4 50 Workshop Manual (186 pages)

Scooter

Brand: VESPA | Category: Scooter | Size: 6.15 MB

Index of Topics
5
Characteristics
6
Safety Rules
7
Maintenance Rules
7
Vehicle Identification
8
Dimensions and Mass
8
Engine
9
Transmission
9
Capacities
9
Electrical System
9
Electrical Components
9
Carburettor
10
50Cc Version
10
Kehin
10
Wheels and Tyres
10
Tightening Torques
11
Front Suspension
11
Front Brake
11
Overhaul Data
12
Assembly Clearances
12
Cylinder - Piston Assy.
12
Piston Rings
13
Crankcase - Crankshaft - Connecting Rod
14
Slot Packing System
14
Products
15
Tooling
16
Maintenance
24
Maintenance Chart
25
At 1000 Km or 4 Months
25
At 6000 Km or 12 Months, 18000 Km or 36 Months, 30000 Km, at 42000 Km, at 54000 Km and at 66000 Km
25
At 12000 or 24 Months and at 60000 Km
25
At 24000 Km or 48000 Km
26
At 36000 Km
26
At 72000 Km
26
Every 3,000 Km
27
Every 2 Years
27
Checking the Spark Advance
28
Spark Plug
29
Rpm Limiter
29
Hub Oil Replacement
30
Air Filter
30
Engine Oil Replacement
31
Engine Oil Check
31
CO Check
32
Troubleshooting
34
Engine Poor Performance
35
Rear Wheel Spins at Idle
35
Starting Difficulties
35
Troubleshooting
35
Starting Problems
35
Engine Tends to Cut-Off at Idle
36
High Fuel Consumption
36
Engine Tends to Cut out at Full Throttle
36
Excessive Fuel Consumption
36
Clutch Grabbing or Performing Inadequately
37
Insufficient Braking
37
Brakes Overheating
37
Battery
38
Turn Signal Lights Malfunction
38
Heavy Steering
38
Excessive Steering Play
38
Noisy Suspension
38
Suspension Oil Leakage
39
Electrical System
40
Electrical Equipment
41
Conceptual Diagrams
42
Ignition
42
Headlights and Automatic Starter Section
43
Battery Recharge and Starting
44
Level Indicators and Enable Signals Section
45
Turn Signal Lights
46
Instruments and Warning Lights Control Board
47
Checks and Inspections
47
Warning Lights and Gauges Panel
47
Ignition Circuit
48
Pick-Up Check
48
Stator Winding Check
48
Voltage Regulator Check
49
Bursting Light Bulbs
49
Headlights and Choke Not-Operational
49
Recharge System Voltage Check
50
Battery Does Not Recharge
50
Turn Signals System Check
52
Turn Indicators Not Working
52
Sealed Battery
53
Dry-Charge Battery
53
Voltage Check
53
Load Status Check
54
Cleaning the Battery
54
Specific Tooling
55
Engine from Vehicle
56
Exhaust Assy. Removal
57
Removal of the Engine from the Vehicle
57
Disassembling Engine from Frame
57
Automatic Transmission
59
Transmission Cover
59
Kickstart
59
Air Duct
59
Removing the Driven Pulley Shaft Bearing
60
Refitting the Driven Pulley Shaft Bearing
60
Removing the Driven Pulley
60
Inspecting the Clutch Drum
61
Removing the Clutch
61
Inspecting the Clutch
62
Pin Retaining Collar
62
Removing the Driven Half-Pulley Bearing
63
Inspecting the Driven Fixed Half-Pulley
63
Inspecting the Driven Sliding Half-Pulley
64
Refitting the Driven Half-Pulley Bearing
64
Inspecting the Clutch Spring
65
Refitting the Clutch
65
Refitting the Driven Pulley
66
Drive-Belt
66
Removing the Driving Pulley
67
Inspecting the Rollers Case
67
Refitting the Driving Pulley
68
Refitting the Transmission Cover
69
End Gear
69
Recommended Products
69
Removing the Hub Cover
70
Removing the Wheel Axle Bearings
70
Inspecting the Hub Shaft
72
Inspecting the Hub Cover
72
Refitting the Wheel Axle Bearing
72
Refitting the Hub Bearings
73
Refitting the Ub Cover
73
Flywheel Cover
74
Cooling Hood
74
Cooling Fan
75
Removing the Stator
75
Refitting the Stator
75
Flywheel and Starting
75
Removing the Starter Motor
76
Removing the Flywheel Magneto
76
Inspecting the Flywheel Components
77
Starter Gear Rim
77
Intermediate Gear
77
Refitting the Flywheel Magneto
78
Refitting the Starter Motor
78
Cylinder Assy. and Timing System
78
Removing the Timing System Drive
79
Removing the Cam Shaft
80
Removing the Cylinder Head
81
Removing the Valves
81
Removing the Cylinder - Piston Assy.
82
Inspecting the Small End
82
Inspecting the Wrist Pin
83
Inspecting the Piston
83
Inspecting the Cylinder
84
Inspecting the Piston Rings
84
Sealing Rings
85
Removing the Piston
85
Choosing the Gasket
86
Cylinder Base Gasket Thickness
86
Piston Protrusion Check
87
Refitting the Piston Rings
88
Refitting the Cylinder
89
Inspecting the Cylinder Head
90
Inspecting the Timing System Components
90
Head Check
90
Inspecting the Valve Sealings
91
Inspecting the Valve Housings
91
Inspecting the Valves
92
Inspecting the Springs and Half-Cones
93
Refitting the Valves
93
Inspecting the Cam Shaft
94
Refitting the Head and Timing System Components
95
Refitting the Timing Chain
96
Refitting the Rocker-Arms Cover
98
Refitting the Intake Manifold
98
Crankcase - Crankshaft
98
Splitting the Crankcase Halves
99
Removing the Crankshaft Bearings
100
Refitting the Crankshaft Bearings
100
Inspecting the Crankshaft Alignment
101
Refitting the Crankcase Halves
102
Locking Torques
102
Crankshaft Oil Seals
103
Oil Pump Removal
104
Oil Pump Inspection
105
Oil Pump Refitting
106
Removing the Oil Sump
107
Refitting the Oil Sump
107
Fuel Supply
107
Removing the Carburettor
108
Refitting the Carburettor
112
Level Check
114
Inspecting the Automatic Choke Device
115
Adjusting the Idle
117
Suspensions
120
Removing the Front Wheel
121
Front Wheel Hub Overhaul
121
Refitting the Front Wheel
122
Handlebar Removal
123
Handlebar Refitting
123
Front Fork Removal
123
Handlebar Overhaul
124
Steering Column Removal
127
Steering Column Overhaul
127
Shock-Absorber - Calliper Bracket Removal
127
Steering Column Refitting
128
Steering Bearing Removal
128
Removing the Rear Wheel
129
Refitting the Rear Wheel
129
Braking System
130
Front Brake Calliper Removal
131
Front Brake Calliper Overhaul
131
Front Brake Calliper Refitting
133
Front Brake Disc Removal
133
Front Brake Disc Inspection
133
Front Brake Pads Removal
134
Front Brake Pump Removal
134
Rear Drum Brake
135
Chassis
136
Rear Rack
137
Rear Handlebar Cover
138
Instrument Panel
138
Front Handlebar Cover
139
Headlight Assy.
139
Legshield
140
Footrest
140
Side Fairings
141
License Plate Holder
141
Rear Central Cover
141
Front Mudguard
142
Top-Case
142
Pre-Delivery
144
Aesthetic Inspection
145
Tightening Torques Inspection
145
Safety Locks
145
Levels Check
146
Road Test
146
Functional Inspection
146
Time
148
Cylinder Assy.
151
Cylinder Head Assy.
151
Rocker Arms Support Assy.
152
Head
152
Camshaft Support
152
Cylinder Head Cover
153
Head Cover
153
Driven Pulley
154
Driven Pulley - Clutch
154
Oil Pump
155
Final Gear Assy.
156
Reduction Gear
156
Driving Pulley
157
Transmission Cover
158
Starter Motor - Start up Lever
159
Flywheel Magneto
160
Fuel Tank
161
Exhaust Pipe
162
Muffler
162
Air Cleaner
163
Frame
164
Centre-Stand
165
Rear Cover
166
Plate Holder
166
Glove Compartment
166
Mudguard
167
Number Plate Holder
167
Rear Shock-Absorber
168
Steering Column Bearings
169
Handlebar Covers
170
Odometer - Handlebar Covers
170
Handlebar Components
171
Seat
172
Saddle
172
Front Wheel
173
Rear Red Lamp
173
Turn Signal Lights
173
Rear Wheel
174
Electric Devices
175
Headlight
175
Electrical Devices
176
Transmissions
179
Brake Callipers
180
Footrests
181
Mats
181
Steering Column
182
Helmet Bay
183
Helmet Carrier
183
Braking System
183
Brake Lever
184

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VESPA ET4 50 Workshop Manual (186 pages)

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