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Manuals
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Jialing Manuals
Scooter
JL50QT-18
Service and repair manual
Jialing JL50QT-18 Service And Repair Manual
4 stroke engine
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Also See for JL50QT-18
:
Service manual
(198 pages)
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
General Information
Engine Number/Frame Number Location
Product Specifications and Technical Data
Technical Tips
Definitions of Diagrams
Torque Settings
Tool Requirements
Lubrication Requirements: Engine
Chassis
Cable Routing Diagram
Wiring Diagram
Troubleshooting Guide
Starter Failure or Hard Starting
Under Speed, no Power
High Speed
Improper Battery Charging - Battery Overdischarge or Overcharge
No Spark
Body Exploded View
Body Cover and Exhaust System
Body Cover Removal
Front Panel Removal
Front Cover Removal
Front and Rear Handlebar Cover Removal
Right and Left Side Mold Removal
Body under Cover Removal
Floor Panel Removal
Front Box Removal
Front and Rear Fenders Removal
Exhaust Pipe Removal
Scheduled Maintenance
Maintenance Chart
Fuel Filter
Throttle Lever Operation
Air Filter Replacement
Spark Plug
Valve Adjustment
Carburetor Idle Speed
Ignition Time
Cylinder Pressure
Remove Spark Plug
Final Check of Gear Engine Oil Reduction
Changing Gear Oil
Transmission Belt
Rear Brake Arm
Brake System-Front Brake
Rear Brake Check
Front Lamp Adjustment
Clutch Engagement
Front Suspension
Rear Suspension
Nut and Bolt Tightness
Collar Rim Tire
Air Pressure
Tire Standards
Steering
Lubricating System
Overall Engine Requirements
Engine Oil/Filter Screen
Oil Volume
Oil Change
Oil Pump Removal
Oil Pump Disassembly
Oil Pump Check
Oil Pump Assembly
Oil Pump Installation
Fuel System
Repairing Material (Fuel System)
Fuel System Troubleshooting
Disassembly of Carburetor
Checking Auto Choke
Air Cut off Valve
Carburetor Assembly
Vacuum Chamber-Break down
Float Bowl Disassembling
Float Bowl Checking
Accelerator Pump
Assembly of Carburetor
Disassembling Fuel Tank
Assembly of Fuel Tank
Carburetor Adjustment
Automatic Fuel Valve
Fuel Meter Sending Unit
Air Filter Inspection
Engine Removal and Installation
Cylinder Head Valve
Camshaft Disassembly
Checking of Camshaft Bearing Rocker Arm
Cylinder Head Disassembly
Breaking down of Cylinder Head
Checking Cylinder Head
Valve and Valve Guide
Valve Guide Replacement
Valve Seat Chamber Cutting Tools
Valve Seat Cutting
Building up of Cylinder Head
Installing Cylinder Head
Camshaft Assembly
Camshaft Chain Regulator Assembling
Cylinder and Piston
Removing the Cylinder
Removing the Piston
Checking the Cylinder
Assembling the Piston
Assembling the Cylinder
Driving Belt Device and the Starting Lever
Detaching the Left Crankcase Cover
Removing the Starting Pivot
Checking the Starting Pivot
Installing the Starting Assembly
Assembling the Left Crankcase Cover
Checking the Driving Belt
Replacing the Driving Belt
Assembling the Driving Belt
The Driving Pulley-Dismounting
Taking the Driving Pulley Apart
Checking the Driving Pulley
Driving Pulley
The Overrunning Clutch (Starter Pinion) Removal
Checking and Assembling
The Clutch/Transmission Pulley Removing the Clutch/Transmission Pulley
Disassembling the Clutch/Transmission Pulley
Checking the Clutch Transmission Pulley
Replacing the Transmission Pulley and the Bearing
The Clutch/Transmission Pulley Assembly
Assembling the Clutch Housing
The Final Transmission Assembly
Dismantling the Final Transmission Assembly
Detach the Final Transmission Gearbox Cover
Replacing Bearing (on the Side of the Transmission Gearbox Cover)
Replacing the Bearing (on the Side of the Crankcase)
Assembling the Final Gear Set
The Crankcase and the Crankshaft
Abnormal Noise from the Engine
Dismantling the Crankcase
Assembling the Crankcase
The Front Wheel, Front Brake, Front Buffer and the Front Fork
Poor Brake Function
The Front Wheel Wobbles
The Front Shock Is too Weak
The Front Shock Is Producing Abnormal Noise
Removing the Steering Handlebars
Assembling the Steering Handlebars
Front Wheel Removal and Check
Dismantling of Wheel
Assembly of Wheel
Assembling the Front Wheel
Dismounting the Front Shock
Dismantling the Front Shock
Front Fork Removal
Replacing the Ball Cone Race
Replacing the Upper Race
Assembling the Upper Race
Checking the Brake Lining
Dismantling the Front Brake
Assembling the Front Brake
The Rear Wheel, the Rear Brake and Rear Shock
Detaching the Rear Wheel
Checking the Rear Wheel
Assembling the Rear Wheel
Dismantling the Rear Brake
Assembling the Rear Brake
Dismounting the Rear Shock
Assembling the Rear Shock
The Battery and the Charging System
No Power Supply
Unstable Current
Low Voltage
Poor Charging System
Detaching the Battery
Checking the Charging Condition (Open Circuit Volt)
Charging
Testing Short Circuit
The Rectifying Voltage Stabilizer
Checking the Rectifying Voltage Regulator
The Magneto Charging Coil Check
Checking the Resistor
Dismounting the Magneto
Assembling the Magneto
Ignition System
High Tension Voltage too Low
High Tension Voltage Intermittent
High Tension Voltage Normal but no Spark
Intermittent High Tension Voltage
CDI Inspection
Ignition Coil Removal Steps
Magneto Pickup Coil Inspection
Charging Coil Inspection
Spark Advance Angle Inspection
Starter System
Starter Motor Does Not Turn
Starter Motor Turns over Slowly
Starter Motor Turns - Engine Does Not Rotate
Starter Motor Removal
Starter Disassembly
Starter Inspection
Starter Relay Inspection
To Inspect Starter Relay
Starter Motor Installation
Meters, Switches and Lighting System
If the Fuel Indicator Fails to Come on
If Light Is DIM
If the Dimmer Switch Does Not Operate Properly
Fuel Sensor Removal
Fuel Sensor Installation
Fuel Sensor Testing
Fuel Gauge Inspection
Handlebar Switches Inspection
Replacing the Horn Switch
Main Switch Inspection and Replacement
Brake Light Switch Inspection
Horn Inspection
To Replace the Horn Switch
Speedometer Removal and Reinstallation
Headlight Removal and Installation
Bulb Replacement and Installation
Taillight, Brake Light, Rear Position Light or License Light
Electric Scooter Assembly
Electric Scooter Assembly - Scheduled Maintenance
Electric Scooter Assembly Specifications
Electric Scooter Assembly Troubleshooting
Dismantling and Removing Rear Wheel Assembly
Rear Brake Assembly
Electric Motor Removal
Motor Disassembly
Motor Inspection
Battery Access and Power
Recharging Batteries
Retro Model Scooter Panels
Scooter Panels View
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Quick Links
1
Table of Contents
2
General Information
3
Product Specifications and Technical Data
4
Lubrication Requirements: Engine
5
Wiring Diagram
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Service Manual
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Table of Contents
Troubleshooting
Troubleshooting Guide
24
Fuel System Troubleshooting
57
Electric Scooter Assembly Specifications
186
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Scooter Jialing JL50QT-18 Service Manual
(198 pages)
This manual is also suitable for:
Jl50qtx1/8
Jl50qt-14
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