KEEWAY QJ50T-21U User Manual

Name: KEEWAY QJ50T-21U
Brand: KEEWAY
Rating: 4 (1 reviews)

156 pages

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145

Crankcase

1 crankshaft 2 bolt 3 oil seal 4 location pin

Note: The crankcase is

thin-section casting thus

shall not suffer impact

during operation which may

cause deformation or

fracture.

All components must be

cleaned and blown with

high-pressure gas before

test.

Lubricant in the crankcase

should be drained out

before operation.

Table of Contents2
Contents2
Preface5
- Preparing Documents6
- Special Tools11
- Inspection/Adjustment38
Inspection and Maintenance of Electrical System51
Battery/Charging System54
- Preparing Documents54
- Failure Diagnosis55
- Battery56
- Charging System57
- Voltage/Current Regulator58
- Magnetor Charging Coil59
- Magnetor Lighting Coil59
Ignition System61
- Preparing Documents62
- Failure Diagnosis63
- Ignition System Check64
- CDI Group65
- Ignition Coil66
- Trigger67
Startup System69
- Preparing Documents69
- Failure Diagnosis70
- Startup Motor70
- Starter Relay72
Bulbs/Switches/Meters75
- Preparing Documents75
- Failure Diagnosis75
- Replacement of Headlamp Bulbs75
- Replacement of Front Steering Lamp Bulbs76
- Replacement of Tail Lamp Bulbs76
- Meter77
- Main Switch77
- Horn78
- Handlebar Switch78
Inspection and Maintenance of the Chassis79
Rear Drum Brake81
Brake82
- Maintenance Instruction82
- Failure Diagnosis82
- Front Disc Brake83
- Rear Drum Brake85
Body88
- Front Wheel89
- Front Suspension90
Front Wheel / Front Suspension92
- Preparing Documents92
- Failure Diagnosis92
- Front Wheel93
- Bearing Replacement94
- Steering Handle95
- Front Fork96
- Rear Wheel99
Rear Wheel/Rear Suspension100
- Preparing Documents100
- Failure Diagnosis100
- Rear Wheel101
- Rear Absorber102
- Fuel Tank104
Fuel Tank/Seat106
- Preparing Documents106
- Failure Diagnosis106
- Fuel Tank/Seat107
Removal and Installation of Motor109
- Preparation Documents109
- Failure Diagnosis109
- Disassembly of Motor110
- Installation111
Inspection and Maintenance of Engine112
Lubricaiting System114
- Preparation Documents114
- Failure Diagnosis114
- Fuel Pump115
Carburetor118
- Preparing Documents118
- Failure Diagnosis118
- Carburetor Disassembly119
- Installation and Adjustment121
Cylinder Cover123
- Preparing Documents123
- Failure Diagnosis123
- Cylinder Cover Check124
- Installation of Cylinder Cover124
Cylinder Block and Piston126
- Preparing Documents126
- Failure Diagnosis127
- Cylinder Block127
- Piston128
- Piston Installation130
Drive Face/Clutch/Driven Wheel/Kickstart Mechanism133
- Preparing Documents133
- Failure Diagnosis133
- Left Crankcase Cover134
- Drive Face134
- Clutch/Driven Wheel136
- Breakdown of Clutch and Driven Wheel137
- Installation140
- Kickstart Mechanism141
Decelerator143
- Preparing Documents143
- Failure Diagnosis143
- Gearbox143
- Installation144
Crankcase146
- Preparing Documents146
- Failure Diagnosis146
- Crankcase147
- Installation149
Inspection and Maintenance of Exhaust Emission System150
Exhaust Emission & Control System151
- Warranty on the Exhaust Emission & Control System151
- Instructions on Periodic Maintenance151
- Mechanical Function of the Exhaust Control System152
- Catalytic Conversion System152
- Measures When the Idle Speed Emission Value Exceeds the Standard (Two-Stroke)154

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KEEWAY QJ50T-21U Specifications

General

Brand	KEEWAY
Model	QJ50T-21U
Category	Scooter
Language	English

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