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Fiddle III 50
Sym Fiddle III 50 Service Manual
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6. CYLINDER H
E
AD/V
AL
VE
SYM
6-6
Remove cylinder head.
Caution
DISASSE
M
BL
Y CYLINDER
HEAD
Remove the fixed (bolt × 1), then remove the
camshaft.
Remove the valve rocker arm shaft.
Remove the valve rocker arm.
Loosen the nuts diagonally by 2-3
sequences.
Camshaft
145
147
Table of Contents
General Information/Trouble Diagnosis
1
Table of Contents
1
General Safety
2
General Information/Trouble Diagnosis
2
Service Precautions
3
Specifications
9
Torque Values (Engine)
10
Torque Values (Frame)
11
Troubles Diagnosis
12
Lubrication Points
16
Crankcase/Crankshaft
22
Operational Precautions
23
Trouble Diagnosis
23
Disassembly of Crankcase
24
Crankshaft Inspection
26
Assembly of Crankcase
27
Body Cover
29
Maintenance Information
30
Handle Cover
31
Front Cover
32
Front Inner Box
33
Body Cover/Rear Center Cover/Rear Fender
34
Front Center Cover
36
Luggage Box
36
Floor Panel
37
Side Cover
38
Brake
39
Mechanism Diagram-Front
40
Mechanism Diagram-Rear Drum Brake System
40
Maintenance Information
41
Trouble Diagnosis
42
Hydraulic Brake System Inspection
43
Brake Fluid Replacement/Air-Bleed
44
Brake Caliper
45
Brake Disc
46
Brake Master Cylinder
46
Brake Ling
49
Drum Brake-Drum
49
Brake Panel
50
Steering/Front Wheel/Front Shock Absorber
52
Precautions in Operation
53
Trouble Diagnosis
53
Steering Handle
54
Front Wheel
55
Front Fork/Steering Column
60
Front Shock Absorber
60
Rear Wheel/Rear Shock Absorber
62
Precautions in Operation
63
Trouble Diagnosis
63
Exhaust Muffler
64
Rear Wheel
64
Rear Shock Absorber
65
Electrical Equipment
66
Precautions in Operation
67
Trouble Diagnosis
69
Charging System
70
Ignition System
76
Starting System
79
Meter
80
Switch
85
Fuel Unit
87
Maintenance Information
88
Periodical Maintenance Schedule
89
Lubrication System
90
Fuel System
91
Air Cleaner
92
Throttle Valve Operation
92
Adjustment
94
Carburetor Idling Speed Adjustment
94
Valve Clearance Inspection
94
Ignition System/Spark Plug
95
Pressure
96
Steering System
97
Suspension System
97
Front Disk Brake System
98
Drum Brake System
100
Wheel/Tire
101
Battery
102
Headlight Adjustment
102
Nuts、Bolts Tighten
102
Lubrication System
103
Operational Precautions
104
Trouble Diagnosis
104
Lubrication System
104
Engine Oil
105
Oil Pump
106
Gear Oil
108
Fuel System
109
Precautions in Operation
110
Fuel System
110
Trouble Diagnosis
111
Carburetor Removal
112
Vacuum Chamber
112
Accelerate Pump
114
Auto By-Starter
115
Float Chamber
116
Idle Speed Adjustment
117
Installation of Carburetor
117
Fuel Tank
118
Air Cleaner
119
Removal of Engine
133
Engine Removal
133
Operational Precautions
134
Bushing
138
Removal of Engine Suspension
138
Engine Suspension Frame
139
Installation of Engine
140
Cylinder Head/Valve
141
Mechanism Diagram
141
Cylinder Head/Valve
143
Cylinder Head/Valve
144
Trouble Shooting
143
Cylinder Head Inspection
148
Valve Seat Inspection and Service
150
Cylinder Head Reassembly
152
Cylinder Head Installation
153
Valve Clearance Adjustment
154
Cylinder/Piston
155
Precautions in Operation
156
Trouble Diagnosis
156
Piston Removal
159
Piston Ring Installation
161
Cylinder Installation
162
Piston Installation
162
Mechanism Diagram
163
Maintenance Description
164
Kick Starter Arm
165
V" Type Belt Driving System/Kick Starter Arm
165
Left Crankcase Cover
165
Driving Belt
167
Sliding Pulley
167
Clutch/Driven Pulley
172
Mechanism Diagram
177
Operational Precautions
178
Trouble Diagnosis
178
Final Driving Mechanism
178
Disassembly of Final Driving
179
Mechanism
179
Final Driving Mechanism
179
Inspection of Final Driving
179
Bearing Replacement
180
Re-Assembly of Final Driving
182
Mechanism
187
4
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Sym Fiddle III 50 Specifications
General
Brand
Sym
Model
Fiddle III 50
Category
Scooter
Language
English
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