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Wolf SB 250 Ni
Sym Wolf SB 250 Ni User Manual
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12. S
teering / Front wheel / Front fork
12-4
Steering handlebar
throttle
cable
locknut
Removal
Loosen the throttle cable locknut. Remove the
right handle switch screws. (screw×2)
。
screw×2
Remove the throttle cable. Remove the
throttle grip and right handle switch.
Remove the front brake master cylinder
. (bolt
x2)
Throttle cable
bolt×2
181
183
Table of Contents
Table of Contents
4
General Information
3
Table of Contents
4
Torque Values
16
Lubrication Points
22
2. Maintenance Information
24
Precautions in Operation ·········2-1 Steering Mechanism ·················2-8
25
Maintenance Information
25
Periodical Maintenance Schedule
25
Lubrication System
26
Cylinder Compression Test
27
Fuel System
28
Air Filter
28
Throttle Operation
29
Spark Plug
29
PCV System
30
Valve Clearance Adjustment
30
Drive Chain Adjustment
31
Steering Mechanism
31
Suspension System
32
Disk Brake System
32
Tire
34
Battery
35
Clutch Adjustment
35
Headlight Adjustment
36
Brake Switch
36
Nuts, Bolts Tightness
36
Special Tools
37
Fault Code and Check Light Flashing Light
40
Efi System Operation
41
Fuel Injection System
41
Efi System Introduction
42
Injection System
42
Fuel System
43
Ignition System
44
Sensors / Drives
45
Precautions in Operation
51
Efi System Components Description
52
Throttle Body
53
Map Sensor
54
Fuel Injector
65
Efi System Circuit
68
ECU Pin Configuration
69
Troubleshooting
70
Intergrated Troubleshooting Procedure
74
Fuel Tank
76
Fuel Pump
77
Fuel Unit
78
Air Cleaner
78
Efi System Diagnosis Methods
79
Check Light Fault Codes Differentiation
80
Fault Codes and Sensors Table
81
Identification Table···································3
82
Troubleshooting Table
83
Comprehensive Maintenance List
84
4. Lubrication System / Clutch / Transmission
85
Engine Oil
88
Engine Oil Strainer Cleaning
88
Clutch Disassembly
89
Clutch Inspection
90
Clutch Installation
91
Oil Pump
93
Gear Shift Linkage Mechanism
95
AC Generator / Starting Clutch
99
Engine Removal
107
7. Cylinder Head / Valve
115
Default Chapter
115
Cylinder Head / Valve
115
Mechanism Diagram ···················7-1 Valve Guide Replacement ··········7-10
116
Precautions in Operation
116
Troubleshooting
117
Cylinder Head Removal
118
Cylinder Head Disassembly ·······7-6
122
Cylinder Head Inspection
122
Valve Guide Replacement
124
Valve Seat Inspection & Refacing
125
Cylinder Head Assembly
127
Cylinder Head Installation
128
Valve Clearance Adjustment
130
8. Cylinder / Piston
131
Cylinder / Piston
131
Precautions in Operation
132
Troubleshooting
132
Cylinder Removal / Inspection
133
Piston Removal / Inspection
135
Piston Rings Installation
138
Piston Installation
139
Cylinder Installation
140
Mechanism Diagram ···················8-1 Piston Removal / Inspection ······8-5
132
9. Crank / Crankcase / Shifting Gear
141
Precautions in Operation
143
Troubleshooting
144
Crankcase Disassembly
145
Crankshaft Inspection
147
Transmission Disassembly
148
Transmission Inspection
149
Crankcase Inspection
150
Crankcase Assembly
151
10. Cooling System
155
Mechanism Diagram ···············10-1 Coolant Change ······················· 10-5
156
10. Cooling System
156
Precautions in Operation
156
Troubleshooting
156
Diagnosis of Cooling System
157
Coolant Change
159
Radiator
160
Water Pump
160
11. Brake System
169
Mechanism Diagram - Rear Disk Brake
170
Precautions in Operation
171
Troubleshooting
172
Disk Brake System Inspection
173
Brake Fluid Replacement / Air Bleed
174
Front Brake Caliper
175
Rear Brake Caliper
176
Brake Disk
177
Brake Master Cylinder
178
12. Steering / Front Wheel / Front Fork
179
Mechanism Diagram ·················12-1 Front Wheel ······························· 12-6
180
Precautions in Operation
180
Troubleshooting
181
Steering Handlebar
182
Front Wheel
184
Front Fork
187
Steering Stem
190
13. Rear Wheel / Rear Cushion
193
Precautions in Operation
194
Troubleshooting
194
Rear Wheel
195
Drive Chain / Sprocket / Flange
198
Rear Cushion
201
Swingarm
202
14. Electrical System
205
Default Chapter
206
Precautions in Operation
206
Technical Specification
207
Troubleshooting
208
Fuse
209
Charging System
210
14. Electrical System
216
Starting System
217
Light System
219
Meter
220
Light / Bulb
221
Switch / Horn
226
Fuel Unit
230
Emission Control System
231
16. Wiring Diagram
241
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Sym Wolf SB 250 Ni Specifications
General
Brand
Sym
Model
Wolf SB 250 Ni
Category
Motorcycle
Language
English
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