Download

Table Of Contents - APRILIA SR 50 Service And Repair Manual

Hide thumbs Also See for SR 50:

Manual (195 pages)

,

Workshop manual (162 pages)

,

Use and maintenance book (98 pages)

Table Of Contents

Table of Contents

Advertisement

Table of Contents

Safety Warnings8

General Safety Rules8

Carbon Monoxide8

Hot Components8

Used Engine Oil9

Warning On Brake Fluid9

Warning On Coolant9

Precautions And General Information9

Reassembling The Components10

How To Use The Manual10

Table Of Contents15

Technical Data16

Driving Torque18

Lubricant Chart20

Troubleshooting27

Engine Doesn't Start Or Is Difficult To Start27

Engine Lacks Power27

Irregular Functioning At Low Speed28

Irregular Functioning At High Speed28

Unstable Manoeuvrability28

Engine Overheats29

Engine Does Not Reach The Right Temperature29

Identification Data32

Arrangement Of The Main Elements32

Arrangement Of The Instruments34

Instruments And Indicators34

Checking The Operation Of The Accelerator Control34

Idling Adjustment36

Adjusting The Accelerator Control38

Removing The Passenger Grab Handle40

Removing The Number Plate Holder40

Removing The Rear Part Of The Fairing40

Removing The Right And Left Inspection Covers42

Removing The Lower Shield Cover42

Removing The Front Inner Shield44

Removing The Front Cover44

Removing The Footboard46

Removing The Front Mudguard46

Removing The Rear-View Mirrors48

Removing The Handlebar Cover48

Removing The Crash Helmet Compartment50

Removing The Front Shield Cover50

Removing The Rear Mudguard52

Removing The Cover Of The Rear Part Of The Fairing52

Removing The Front Outer Shield54

Removing The Lower Shield54

Checking The Vacuum Tap58

Draining The Fuel Tank58

Removing The Vacuum Tap60

Removing The Fuel Level Gauge Unit62

Removing The Complete Fuel Tank62

2 Stroke Oil Tank Checking/Draining64

2 Stroke Oil Tank Removal64

Bleeding The 2 Stroke Oil Tank66

Cooling System68

Checking The Coolant Level And Topping Up70

Draining The Coolant System72

Changing The Coolant74

Bleeding The Coolant System76

Removing The Radiator78

Removing The Coolant Pump78

Removing The Expansion Tank80

Removing The Coolant Temperature Termistor80

Headlight Bulbs82

Adjusting The Vertical Headlight Beam82

Horizontal Adjustment Of The Headlight Beam84

Changing The Headlight Bulbs86

Removing The Headlight88

Front Direction Indicator - Changing The Bulbs88

Front Direction Indicator Removal88

Rear Direction Indicator - Changing The Bulbs90

Rear Direction Indicator Removal90

Rear Light - Changing The Bulbs92

Rear Light Removal92

Changing The Number Plate Bulb94

Dashboard - Changing The Bulbs94

Electric Control Supports96

Removing The Complete Dashboard96

Removing The Dashboard Glass96

Removing The Handlebar Controls96

Brake Fluid Recommendations98

Disc Brakes Checking102

Brake Fluid Topping Up104

Rear Drum Brake Adjustment106

Front Wheel Disassembly108

Front Wheel Check108

Front Wheel Reassembly110

Rear Wheel Disassembly112

Greasing The Rear Wheel Cam Pin114

Removing The Front Brake Caliper116

Removing The Rear Brake Caliper118

Checking Wear Of The Brake Pads120

Changing The Brake Pads120

Bleeding The Braking System122

Checking The Shoe Wear124

Changing The Shoes124

Transmission126

Checking The Transmission Oil Level126

Changing The Transmission Oil128

Checking The Engine Fulcrum Axis130

Inspecting The Wheels130

Minimum Tread Depth Limit134

Tyre Pressure134

Steering Tube136

Checking The Bearing Slack136

Adjusting The Bearing Slack136

Removing The Steering Tube Bearings138

Front Fork - Checking The Fork Oil Level140

Front Fork Removal140

Removing The Tube/Wheel-Holder Unit (With Installed Fork)142

Disassembling The Tube/Wheel-Holder142

Rear Suspension Removal144

Exhaust Silencer Disassembly144

Air Cleaner Removal146

Cleaning The Air Filter146

Ignition Switch/Steering Lock Removal146

Checking The Electrolyte Level150

Recharging The Battery150

Long Inactivity Of The Battery152

Removing The Engine From The Frame154

Removing The Engine (Liquid-Cooled Version) From The Frame158

Engine Connection Link Removal160

Electrical System164

Recommended Equipment164

Key To Colour Code164

General Wiring Diagram - Sr 50 (Air And Liquid-Cooled Version)165

Arrangement Of The Components171

Ignition Circuit Wiring Diagram173

Ignition Circuit Technical Data173

Ignition Circuit Troubleshooting173

Control Data174

Ignition Flywheel174

Ignition Switch/Stop Switch174

Ignition Coil174

Recharge And General Power Supply Circuit Wiring Diagram175

Recharge And General Power Supply Circuit Technical Data175

Checking The Recharge175

Regolatore Di Tensione175

Regulador De Tensión175

Recharge Troubleshooting176

Generator/Battery176

Arranque El Motor176

Starting Circuit Wiring Diagram177

Starting Circuit Technical Data177

Motorino D'avviamento177

Starting System Troubleshooting178

Starter Relay178

Start Push Button178

Relé De Arranque178

Sensor Circuit Wiring Diagram179

Sensor Circuit Technial Data179

2 Stroke Oil Reserve Warning Light179

Sensor Circuit Troubleshooting179

Checking The Oil Level Sensor180

Control Diode180

Fuel Level Indicator Troubleshooting181

Direction Indicator Circuit Wiring Diagram183

Direction Indicator Circuit Technical Data183

Direction Indicator Circuit Troubleshooting183

Horn Circuit Wiring Diagram184

Horn Circuit Troubleshooting184

Horn Push Button184

Stoplight Circuit Wiring Diagram185

Stoplight Circuit Technical Data185

Stoplight Circuit Troubleshooting185

Front And Rear Stoplight Switch185

Lighting Circuit Wiring Diagram186

Lighting Circuit Technical Data186

Coolant Temperature Indicator Circuit Wiring Diagram190

Coolant Temperature Indicator Circuit Troubleshooting190

Checking The Coolant Temperature Indicator Operation190

Checking The Thermistor Operation192

Advertisement

Table of Contents

Troubleshooting