Jialing JL50QT-X1/8 Manuals

Manuals and User Guides for Jialing JL50QT-X1/8. We have 2 Jialing JL50QT-X1/8 manuals available for free PDF download: Service And Repair Manual, Service Manual

Jialing JL50QT-X1/8 Service And Repair Manual (201 pages)

4 stroke engine

Brand: Jialing | Category: Scooter | Size: 21.4 MB

Table of Contents
3
General Information
4
Engine Number/Frame Number Location
4
Product Specifications and Technical Data
5
Technical Tips
6
Definitions of Diagrams
13
Torque Settings
14
Tool Requirements
15
Lubrication Requirements: Engine
16
Chassis
17
Cable Routing Diagram
18
Wiring Diagram
23
Troubleshooting Guide
24
Starter Failure or Hard Starting
24
Under Speed, no Power
25
High Speed
27
Improper Battery Charging - Battery Overdischarge or Overcharge
28
No Spark
29
Body Exploded View
30
Body Cover and Exhaust System
31
Body Cover Removal
32
Front Panel Removal
32
Front Cover Removal
32
Front and Rear Handlebar Cover Removal
32
Right and Left Side Mold Removal
34
Body under Cover Removal
34
Floor Panel Removal
34
Front Box Removal
35
Front and Rear Fenders Removal
35
Exhaust Pipe Removal
35
Scheduled Maintenance
36
Maintenance Chart
38
Fuel Filter
39
Throttle Lever Operation
39
Air Filter Replacement
40
Spark Plug
40
Valve Adjustment
41
Carburetor Idle Speed
41
Ignition Time
42
Cylinder Pressure
42
Remove Spark Plug
42
Final Check of Gear Engine Oil Reduction
43
Changing Gear Oil
43
Transmission Belt
43
Rear Brake Arm
44
Brake System-Front Brake
44
Rear Brake Check
44
Front Lamp Adjustment
45
Clutch Engagement
45
Front Suspension
45
Rear Suspension
45
Nut and Bolt Tightness
46
Collar Rim Tire
46
Air Pressure
46
Tire Standards
46
Steering
47
Lubricating System
48
Overall Engine Requirements
49
Engine Oil/Filter Screen
50
Oil Volume
50
Oil Change
50
Oil Pump Removal
51
Oil Pump Disassembly
52
Oil Pump Check
52
Oil Pump Assembly
53
Oil Pump Installation
53
Fuel System
55
Repairing Material (Fuel System)
56
Fuel System Troubleshooting
57
Disassembly of Carburetor
58
Checking Auto Choke
58
Air Cut off Valve
60
Carburetor Assembly
60
Vacuum Chamber-Break down
61
Float Bowl Disassembling
62
Float Bowl Checking
63
Accelerator Pump
64
Assembly of Carburetor
65
Disassembling Fuel Tank
66
Assembly of Fuel Tank
66
Carburetor Adjustment
67
Automatic Fuel Valve
68
Fuel Meter Sending Unit
68
Air Filter Inspection
69
Engine Removal and Installation
70
Cylinder Head Valve
74
Camshaft Disassembly
77
Checking of Camshaft Bearing Rocker Arm
80
Cylinder Head Disassembly
80
Breaking down of Cylinder Head
82
Checking Cylinder Head
82
Valve and Valve Guide
83
Valve Guide Replacement
83
Valve Seat Chamber Cutting Tools
85
Valve Seat Cutting
85
Building up of Cylinder Head
86
Installing Cylinder Head
87
Camshaft Assembly
88
Camshaft Chain Regulator Assembling
89
Cylinder and Piston
91
Removing the Cylinder
93
Removing the Piston
93
Checking the Cylinder
95
Assembling the Piston
97
Assembling the Cylinder
98
Driving Belt Device and the Starting Lever
99
Detaching the Left Crankcase Cover
101
Removing the Starting Pivot
101
Checking the Starting Pivot
102
Installing the Starting Assembly
102
Assembling the Left Crankcase Cover
103
Checking the Driving Belt
104
Replacing the Driving Belt
104
Assembling the Driving Belt
105
The Driving Pulley-Dismounting
105
Taking the Driving Pulley Apart
105
Checking the Driving Pulley
106
Driving Pulley
107
The Overrunning Clutch (Starter Pinion) Removal
107
Checking and Assembling
107
The Clutch/Transmission Pulley Removing the Clutch/Transmission Pulley
108
Disassembling the Clutch/Transmission Pulley
108
Checking the Clutch Transmission Pulley
109
Replacing the Transmission Pulley and the Bearing
110
The Clutch/Transmission Pulley Assembly
111
Assembling the Clutch Housing
112
The Final Transmission Assembly
113
Dismantling the Final Transmission Assembly
115
Detach the Final Transmission Gearbox Cover
115
Replacing Bearing (on the Side of the Transmission Gearbox Cover)
116
Replacing the Bearing (on the Side of the Crankcase)
117
Assembling the Final Gear Set
117
The Crankcase and the Crankshaft
119
Abnormal Noise from the Engine
120
Dismantling the Crankcase
121
Assembling the Crankcase
123
The Front Wheel, Front Brake, Front Buffer and the Front Fork
127
Poor Brake Function
129
The Front Wheel Wobbles
129
The Front Shock Is too Weak
129
The Front Shock Is Producing Abnormal Noise
129
Removing the Steering Handlebars
130
Assembling the Steering Handlebars
130
Front Wheel Removal and Check
131
Dismantling of Wheel
132
Assembly of Wheel
133
Assembling the Front Wheel
134
Dismounting the Front Shock
135
Dismantling the Front Shock
136
Front Fork Removal
138
Replacing the Ball Cone Race
138
Replacing the Upper Race
138
Assembling the Upper Race
139
Checking the Brake Lining
140
Dismantling the Front Brake
140
Assembling the Front Brake
140
The Rear Wheel, the Rear Brake and Rear Shock
143
Detaching the Rear Wheel
145
Checking the Rear Wheel
145
Assembling the Rear Wheel
145
Dismantling the Rear Brake
146
Assembling the Rear Brake
146
Dismounting the Rear Shock
147
Assembling the Rear Shock
148
The Battery and the Charging System
150
No Power Supply
152
Unstable Current
152
Low Voltage
152
Poor Charging System
152
Detaching the Battery
153
Checking the Charging Condition (Open Circuit Volt)
153
Charging
153
Testing Short Circuit
155
The Rectifying Voltage Stabilizer
156
Checking the Rectifying Voltage Regulator
156
The Magneto Charging Coil Check
157
Checking the Resistor
157
Dismounting the Magneto
157
Assembling the Magneto
159
Ignition System
163
High Tension Voltage too Low
165
High Tension Voltage Intermittent
165
High Tension Voltage Normal but no Spark
165
Intermittent High Tension Voltage
165
CDI Inspection
166
Ignition Coil Removal Steps
167
Magneto Pickup Coil Inspection
168
Charging Coil Inspection
168
Spark Advance Angle Inspection
168
Starter System
169
Starter Motor Does Not Turn
170
Starter Motor Turns over Slowly
170
Starter Motor Turns - Engine Does Not Rotate
170
Starter Motor Removal
171
Starter Disassembly
171
Starter Inspection
171
Starter Relay Inspection
173
To Inspect Starter Relay
174
Starter Motor Installation
174
Meters, Switches and Lighting System
177
If the Fuel Indicator Fails to Come on
177
If Light Is DIM
177
If the Dimmer Switch Does Not Operate Properly
177
Fuel Sensor Removal
178
Fuel Sensor Installation
178
Fuel Sensor Testing
178
Fuel Gauge Inspection
178
Handlebar Switches Inspection
179
Replacing the Horn Switch
180
Main Switch Inspection and Replacement
180
Brake Light Switch Inspection
181
Horn Inspection
181
To Replace the Horn Switch
181
Speedometer Removal and Reinstallation
181
Headlight Removal and Installation
182
Bulb Replacement and Installation
182
Taillight, Brake Light, Rear Position Light or License Light
182
Electric Scooter Assembly
183
Electric Scooter Assembly - Scheduled Maintenance
185
Electric Scooter Assembly Specifications
186
Electric Scooter Assembly Troubleshooting
186
Dismantling and Removing Rear Wheel Assembly
187
Rear Brake Assembly
188
Electric Motor Removal
190
Motor Disassembly
192
Motor Inspection
194
Battery Access and Power
195
Recharging Batteries
198
Retro Model Scooter Panels
199
Scooter Panels View
200

Jialing JL50QT-X1/8 Service Manual (198 pages)

Brand: Jialing | Category: Scooter | Size: 23.82 MB

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Jialing JL50QT-X1/8 Service And Repair Manual (201 pages)

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Jialing JL50QT-X1/8 Service Manual (198 pages)

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