Table Of Contents - Yamaha 125 AS3 Service Manual

Table of Contents

Contents5
General Information7
Vehicle View9
Specifications And Performance10
Engine Performance Curve12
Driving Performance Curve12
Tools And Instruments Required For Servicing13
Yamaha Autolube System - Automatic Separate Lubrication System15
Periodic Inspection16
Inspection And Adjustment Of Autolube Pump17
Bleeding17
Method Of Setting Of Carburetor And Pump17
Inspection Of Pump's Minimum Stroke19
Adjustment Of Brakes20
Adjustment Of Rear Brake21
Adjustment Of Clutch22
Adjustment Of Carburetor23
Adjustment Of Idling Speed23
Disassembly And Cleaning Of Carburetor23
Change Of Transmission Oil24
Inspection Of Spark Plug25
Cleaning The Air Cleaner26
Cleaning Of Cylinder And Piston27
Change Of Front Fork Oil28
Adjustment Of Ignition Timing29
Cleaning Of Fuel Strainer31
Lubrication To Drive Chain31
Adjustment Of Driving Chain Tension31
Retightening Of Bolts And Nuts32
5-Port Cylinder33
Engine35
Precautions For Engine Disassembly35
Engine Dismounting Procedure35
Cylinder Head Disassembly40
Cylinder Head Inspection40
Cylinder Head Reassembly40
Cylinder Correcting Procedure41
Removal Of Piston Pins And Pistons42
Piston Pins And Pistons Inspection43
Reinstallation Of Piston Rings45
Crankcase Cover Removal46
Installation Of Piston46
Crankcase Cover Installation47
Clutch48
Power Train49
Clutch Disassembly50
Clutch Inspection50
Inspection Of Friction Plates51
Inspection Of Clutch Housing And Spacer51
Inspection Of Spacer And Main Axle51
Clutch Installation52
Inspection For Deflection Of Clutch Plates52
Inspection Of Push Rod52
Installation Of Cushion Ring53
Primary Drive Gear Removal54
Primary Drive Gear Inspection54
Kick Starter Mechanism55
Kick Starter Removal57
Kick Starter Installation57
Drive Sprocket Removal58
Drive Sprocket Inspection59
Drive Sprocket Installation59
Shifting Mechanism60
Removal Of Gear Shift Arm Shaft61
Shifting Mechanism Inspection61
Crankcase Removal62
Shifting Mechanism Adjustment62
Crankcase Installation63
Transmission Ass'y64
Transmission Gears Layout64
Transmission Ass'y Removal65
Crankshaft66
Transmission Ass'y Installation66
Crankshaft Removal67
Crankshaft Inspection67
Crankshaft Installation68
Bearings And Oil Seals69
Bearings And Oil Seals Removal And Installation70
Carburetor View And Parts Identification71
Checking The Carburetor72
Cleaning The Carburetor72
Adjusting The Fuel Level73
Synchronizing Carburetors73
Adjusting The Idle Speed74
Carburetor Setting Values74
Air Cleaner Removal75
Air Cleaner Cleaning75
Chassis76
Front Wheel76
Front Wheel Removal77
Front Wheel Inspection78
Rear Wheel View79
Rear Wheel Removal80
Rear Wheel Inspection81
Replacing Tires82
Rear Sprocket Wheel Removal82
Suspension And Adjustment83
Rear Arm Inspection84
Fuel Tank Removal84
Front Fork Removal85
Disassembly Of Outer And Inner Tubes85
Front Fork Inspection86
Front Fork Reassembly86
Front Fork Installation To Frame86
Rear Cushion Check For Oil Leakage87
Electrical Equipment88
Ac Generator Performance Curve88
Specification Of Ac Generator89
Inspection Of Ac Generator90
Ignition Coil91
Ignition Coil Inspection92
Silicon Rectifier93
Easy Measurement Of Silicon Rectifier93
Battery95
Other Electrical Equipment Information95
Precautions For Handling Electrical Equipment95
Inspection Of Battery Electrolyte95
Handling Of Silicon Rectifier96
Circuit Diagram99