YAMAHA YZF-R125 Manuals

Manuals and User Guides for YAMAHA YZF-R125. We have 6 YAMAHA YZF-R125 manuals available for free PDF download: Service Manual, Owner's Manual

Yamaha YZF-R125 Service Manual

Yamaha YZF-R125 Service Manual (356 pages)

Brand: Yamaha | Category: Motorcycle | Size: 10.9 MB

Table of Contents

How to Use this Manual
4
Symbols
5
Table of Contents
7
General Information
9
Identification
10
Vehicle Identification Number
10
Model Label
10
Features
11
Outline of the Fi System
11
Fi System
12
Multi-Function Display
13
Important Information
14
Preparation for Removal and Disassembly
14
Replacement Parts
14
Gaskets, Oil Seals and O-Rings
14
Lock Washers/Plates and Cotter Pins
14
Bearings and Oil Seals
15
Circlips
15
Checking the Connections
16
Special Tools
20
Specifications
23
General Specifications
24
Engine Specifications
25
Chassis Specifications
32
Electrical Specifications
35
Tightening Torques
38
General Tightening Torque Specifications
38
Engine Tightening Torques
39
Chassis Tightening Torques
42
Lubrication Points and Lubricant Types
45
Engine
45
Chassis
47
Lubrication System Chart and Diagrams
48
Engine Oil Lubrication Chart
48
Lubrication Diagrams
50
Cooling System
54
Cooling System Diagrams
54
Cable Routing
56
Periodic Maintenance
74
Introduction
74
Periodic Maintenance and Lubrication Chart
74
Engine
76
Adjusting the Valve Clearance
76
Adjusting Valve Clearance
76
Adjusting the Exhaust Gas Volume
78
Adjusting the Engine Idling Speed
79
Adjusting the Throttle Cable Free Play
79
Checking the Spark Plug
80
Checking the Ignition Timing
81
Measuring the Compression Pressure
82
Checking the Engine Oil Level
83
Changing the Engine Oil
84
Adjusting the Clutch Cable Free Play
85
Cleaning the Air Filter Element
86
Checking the Throttle Body Joint and Air Filter Case Joint
87
Checking the Fuel Line
87
Checking the Cylinder Head Breather Hose
87
Checking the Exhaust System
88
Checking the Coolant Level
88
Checking the Cooling System
88
Changing the Coolant
88
Chassis
91
Adjusting the Rear Disc Brake
91
Checking the Brake Fluid Level
91
Checking the Front Brake Pads
92
Checking the Rear Brake Pads
92
Checking the Front Brake Hose
92
Checking the Rear Brake Hose
93
Bleeding the Hydraulic Brake System
93
Adjusting the Drive Chain Slack
94
Lubricating the Drive Chain
95
Checking and Adjusting the Steering Head
95
Checking the Front Fork
96
Checking the Tires
96
Checking the Wheels
98
Checking and Lubricating the Cables
98
Lubricating the Clutch Lever
98
Lubricating the Brake Lever
98
Lubricating the Pedals
98
Lubricating the Sidestand
98
Lubricating the Rear Suspension
99
Electrical System
100
General Chassis
110
Installing the Air Filter Case
110
Front Wheel
111
Removing the Front Wheel (Disc)
113
Disassembling the Front Wheel
113
Checking the Front Wheel
113
Assembling the Front Wheel
114
Adjusting the Front Wheel Static Balance
114
Installing the Front Wheel (Disc)
115
Rear Wheel
117
Removing the Rear Wheel (Disc)
120
Disassembling the Rear Wheel
120
Checking the Rear Wheel
120
Checking the Rear Brake Caliper Bracket
120
Checking the Rear Wheel Drive Hub
120
Checking and Replacing the Rear Wheel Sprocket
120
Assembling the Rear Wheel
121
Adjusting the Rear Wheel Static Balance
121
Installing the Rear Wheel (Disc)
121
Front Brake
122
Introduction
126
Checking the Front Brake Disc
126
Replacing the Front Brake Pads
127
Removing the Front Brake Caliper
128
Checking the Front Brake Caliper
128
Assembling the Front Brake Caliper
128
Installing the Front Brake Caliper
129
Removing the Front Brake Master Cylinder
130
Checking the Front Brake Master Cylinder
130
Assembling the Front Brake Master Cylinder
130
Installing the Front Brake Master Cylinder
130
Rear Brake
133
Introduction
138
Checking the Rear Brake Disc
138
Replacing the Rear Brake Pads
138
Removing the Rear Brake Caliper
139
Disassembling the Rear Brake Caliper
140
Checking the Rear Brake Caliper
140
Assembling the Rear Brake Caliper
141
Installing the Rear Brake Caliper
141
Removing the Rear Brake Master Cylinder
142
Checking the Rear Brake Master Cylinder
142
Assembling the Rear Brake Master Cylinder
142
Installing the Rear Brake Master Cylinder
143
Handlebars
144
Removing the Handlebars
146
Checking the Handlebars
146
Installing the Handlebars
146
Front Fork
149
Removing the Front Fork Legs
152
Disassembling the Front Fork Legs
152
Checking the Front Fork Legs
153
Assembling the Front Fork Legs
153
Front Fork
154
Installing the Front Fork Legs
156
Steering Head
157
Removing the Lower Bracket
159
Checking the Steering Head
159
Installing the Steering Head
159
Rear Shock Absorber Assembly
161
Removing the Rear Shock Absorber Assembly
162
Checking the Rear Shock Absorber Assembly
162
Checking the Connecting Arms and Relay Arm
162
Installing the Relay Arm
162
Installing the Rear Shock Absorber Assembly
162
Swingarm
164
Removing the Swingarm
166
Checking the Swingarm
166
Installing the Swingarm
167
Chain Drive
168
Removing the Drive Chain
169
Checking the Drive Chain
169
Checking the Drive Sprocket
170
Checking the Rear Wheel Sprocket
170
Checking the Rear Wheel Drive Hub
170
Installing the Drive Chain
170
Engine Removal
176
Installing the Engine
180
Installing the Shift Arm
180
Installing the Exhaust Assembly
180
Cylinder Head
182
Removing the Cylinder Head
184
Checking the Cylinder Head
184
Checking the Camshaft Sprocket and Timing Chain Guide
185
Checking the Timing Chain Tensioner
185
Checking the Decompression System
186
Installing the Cylinder Head
186
Camshaft
189
Checking the Camshaft
190
Checking the Rocker Arms and Rocker Arm Shafts
190
Installing the Camshaft and Rocker Arms
191
Valves and Valve Springs
193
Removing the Valves
193
Checking the Valves and Valve Guides
193
Checking the Valve Seats
195
Checking the Valve Springs
196
Installing the Valves
197
Cylinder and Piston
199
Removing the Piston
200
Checking the Cylinder and Piston
200
Checking the Piston Rings
201
Checking the Piston Pin
202
Installing the Piston and Cylinder
202
Generator and Starter Clutch
204
Removing the Generator
206
Removing the Starter Clutch
206
Checking the Starter Clutch
206
Installing the Starter Clutch
207
Installing the Generator
207
Electric Starter
209
Checking the Starter Motor
211
Assembling the Starter Motor
212
Clutch
213
Removing the Clutch
217
Checking the Friction Plates
217
Checking the Clutch Plates
217
Checking the Clutch Springs
218
Checking the Clutch Housing
218
Checking the Clutch Boss
218
Checking the Pressure Plate
218
Checking the Clutch Push Lever and Short Clutch Push Rod
218
Checking the Primary Drive Gear
218
Checking the Primary Driven Gear
219
Installing the Clutch
219
Oil Pump
222
Checking the Oil Pump
224
Assembling the Oil Pump
224
Installing the Oil Pump
225
Shift Shaft
226
Checking the Shift Shaft
227
Checking the Stopper Lever
227
Installing the Shift Shaft
227
Balancer Gear
228
Removing the Primary Drive Gear and Balancer Gears
229
Checking the Balancer Gears and Primary Drive Gear
229
Installing the Primary Drive Gear and Balancer Gears
229
Crankcase
231
Separating the Crankcase
234
Checking the Crankcase
234
Checking the Timing Chain and Timing Chain Guide
234
Checking the Oil Strainer
234
Checking the Bearings and Oil Seal
234
Installing the Bearing Retainer
235
Assembling the Crankcase
235
Crankshaft
236
Removing the Crankshaft
237
Checking the Crankshaft
237
Installing the Crankshaft
237
Transmission
239
Checking the Shift Forks
242
Checking the Shift Drum Assembly
242
Checking the Transmission
242
Checking the Clutch Push Rods
243
Assembling the Main Axle and Drive Axle
243
Installing the Shift Forks and Shift Drum Assembly
243
Radiator
246
Checking the Radiator
248
Installing the Radiator
248
Thermostat
249
Checking the Thermostat
250
Installing the Thermostat
250
Water Pump
251
Disassembling the Water Pump
253
Checking the Water Pump
253
Assembling the Water Pump
253
Installing the Water Pump
254
Fuel Tank
256
Removing the Fuel Tank
257
Checking the Fuel Pump Body
257
Installing the Fuel Hose
257
Checking the Fuel Pressure
257
Throttle Body
259
Removing the Throttle Body
261
Checking the Fuel Injector
261
Checking the Throttle Body
261
Installing the Throttle Body
261
Air Induction System
264
Checking the Air Induction System
267
Ignition System
272
Circuit Diagram
272
Troubleshooting
274
Electric Starting System
276
Circuit Diagram
276
Starting Circuit Cut-Off System Operation
278
Troubleshooting
280
Charging System
282
Circuit Diagram
282
Troubleshooting
284
Lighting System
286
Circuit Diagram
286
Troubleshooting
288
Signaling System
290
Circuit Diagram
290
Troubleshooting
292
Cooling System
296
Circuit Diagram
296
Troubleshooting
298
Fuel Injection System
300
Circuit Diagram
300
Ecu Self-Diagnostic Function
302
Self-Diagnostic Function Table
303
Troubleshooting Method
305
Diagnostic Mode
306
Troubleshooting Details
312
Fault Code 16/19
316
Fuel Pump System
324
Circuit Diagram
324
Troubleshooting
326
Electrical Components
328
Checking the Switches
330
Checking the Bulbs and Bulb Sockets
333
Checking the Fuses
334
Checking and Charging the Battery
335
Checking the Relays
337
Checking the Turn Signal Relay
337
Checking the Diode
338
Checking the Spark Plug Cap
339
Checking the Ignition Coil
339
Checking the Ignition Spark Gap
340
Checking the Crankshaft Position Sensor
340
Checking the Lean Angle Sensor
340
Checking the Starter Motor Operation
341
Checking the Stator Coil
341
Checking the Rectifier/Regulator
342
Checking the Horn
342
Checking the Fuel Sender
343
Checking the Speed Sensor
343
Checking the Radiator Fan Motor
343
Checking the Coolant Temperature Sensor
344
Checking the Throttle Body Sensor Assembly
344
Checking the Fid (Fast Idle Solenoid)
346
Troubleshooting
348
General Information
348
Starting Failures
348
Incorrect Engine Idling Speed
348
Poor Medium-And-High-Speed Performance
349
Faulty Gear Shifting
349
Shift Pedal Does Not Move
349
Jumps out of Gear
349
Faulty Clutch
349
Overheating
349
Overcooling
350
Poor Braking Performance
350
Faulty Front Fork Legs
350
Unstable Handling
350
Electrical System
350
Faulty Lighting or Signaling System
351
Wiring Diagram
352
Color Code
352

Yamaha YZF-R125 Owner's Manual

Yamaha YZF-R125 Owner's Manual (98 pages)

Brand: Yamaha | Category: Motorcycle | Size: 7.26 MB

Table of Contents

Important Manual Information
4
Table of Contents
6
Safety Information

8
Description

13
- Left View
  13
- Right View
  14
- Controls and Instruments
  15
Instrument and Control Functions

16
- Main Switch/Steering Lock
  16
- Indicator Lights and Warning Lights
  17
- Multi-Function Meter Unit
  19
- Handlebar Switches
  26
- Clutch Lever
  28
- Shift Pedal
  28
- Brake Lever
  28
- Brake Pedal
  29
- ABS (for ABS Models)
  29
- Fuel Tank Cap
  30
- Fuel
  31
- Catalytic Converter
  32
- Rider Seat
  33
- Sidestand
  33
- Ignition Circuit Cut-Off System
  34
For Your Safety - Pre-Operation Checks

36
Operation and Important Riding Points

39
- Starting the Engine
  39
- Shifting
  40
- Tips for Reducing Fuel Consumption
  41
- Engine Break-In
  41
- Parking
  42
Periodic Maintenance and Adjustment

43
Motorcycle Care and Storage

86
- Matte Color Caution
  86
- Care
  86
- Storage
  88
Specifications

90
Consumer Information

93
- Identification Numbers
  93
Index

94

Yamaha YZF-R125 Owner's Manual

Yamaha YZF-R125 Owner's Manual (96 pages)

Brand: Yamaha | Category: Motorcycle | Size: 5.92 MB

Table of Contents

Table of Contents
5
Safety Information
7
Description
12
Left View
12
Right View
13
Controls and Instruments
14
Instrument and Control Functions
15
Main Switch/Steering Lock
15
Indicator Lights and Warning Lights
16
Multi-Function Meter Unit
18
Handlebar Switches
26
Clutch Lever
27
Shift Pedal
27
Brake Lever
28
Brake Pedal
28
Abs
29
Fuel Tank Cap
30
Fuel
30
Fuel Tank Overflow Hose
32
Catalytic Converter
32
Seats
33
Sidestand
34
Ignition Circuit Cut-Off System
35
For Your Safety - Pre-Operation Checks
37
Operation and Important Riding Points
39
Starting the Engine
40
Shifting
41
Tips for Reducing Fuel Consumption
42
Engine Break-In
42
Parking
43
Periodic Maintenance and Adjustment
44
Owner's Tool Kit
45
Periodic Maintenance Chart for the Emission Control System
46
General Maintenance and Lubrication Chart
47
Removing and Installing Cowlings
50
Checking the Spark Plug
52
Engine Oil and Oil Filter Element
53
Why Yamalube
55
Coolant
56
Replacing the Air Filter Element and Cleaning the Check Hose
57
Adjusting the Engine Idling Speed
58
Adjusting the Throttle Grip Free Play
58
Valve Clearance
59
Tires
60
Cast Wheels
62
Adjusting the Clutch Lever Free Play
63
Checking the Front Brake Lever Free Play
64
Adjusting the Brake Pedal Free Play
64
Brake Light Switches
65
Checking the Front and Rear Brake Pads
65
Checking the Brake Fluid Level
66
Changing the Brake Fluid
67
Drive Chain Slack
68
Cleaning and Lubricating the Drive Chain
69
Checking and Lubricating the Cables
70
Checking and Lubricating the Throttle Grip and Cable
70
Checking and Lubricating the Brake and Shift Pedals
71
Checking and Lubricating the Brake and Clutch Levers
71
Checking and Lubricating the Sidestand
72
Lubricating the Swingarm Pivots
72
Checking the Front Fork
73
Checking the Steering
73
Checking the Wheel Bearings
74
Battery
74
Replacing the Fuses
76
Vehicle Lights
77
Tail/Brake Light
77
Replacing a Turn Signal Light Bulb
78
Replacing the License Plate Light Bulb
78
Supporting the Motorcycle
79
Troubleshooting
79
Troubleshooting Charts
80
Motorcycle Care and Storage
82
Matte Color Caution
82
Care
82
Storage
85
Specifications
87
Consumer Information
89
Identification Numbers
89
Diagnostic Connectors
90
Vehicle Data Recording
91
Index
92

Yamaha YZF-R125 Owner's Manual

Yamaha YZF-R125 Owner's Manual (96 pages)

Brand: Yamaha | Category: Motorcycle | Size: 6.75 MB

Table of Contents

Table of Contents
5
Safety Information
7
Description
12
Left View
12
Right View
13
Controls and Instruments
14
Instrument and Control Functions
15
Main Switch/Steering Lock
15
Indicator Lights and Warning Lights
16
Multi-Function Meter Unit
18
Handlebar Switches
26
Clutch Lever
27
Shift Pedal
28
Brake Lever
28
Brake Pedal
29
Abs
29
Fuel Tank Cap
30
Fuel
31
Catalytic Converter
32
Rider Seat
33
Sidestand
34
Ignition Circuit Cut-Off System
34
For Your Safety - Pre-Operation Checks
36
Operation and Important Riding Points
38
Starting the Engine
39
Shifting
40
Tips for Reducing Fuel Consumption
41
Engine Break-In
41
Parking
42
Periodic Maintenance and Adjustment
43
Owner's Tool Kit
44
Periodic Maintenance Chart for the Emission Control System
45
General Maintenance and Lubrication Chart
46
Removing and Installing the Cowlings and Panel
49
Checking the Spark Plug
51
Engine Oil and Oil Filter Element
53
Coolant
56
Replacing the Air Filter Element and Cleaning the Check Hose
57
Checking the Engine Idling Speed
58
Adjusting the Throttle Grip Free Play
58
Valve Clearance
59
Tires
60
Cast Wheels
62
Adjusting the Clutch Lever Free Play
63
Checking the Front Brake Lever Free Play
64
Adjusting the Brake Pedal Free Play
64
Brake Light Switches
65
Checking the Front and Rear Brake Pads
65
Checking the Brake Fluid Level
66
Changing the Brake Fluid
67
Drive Chain Slack
68
Cleaning and Lubricating the Drive Chain
69
Checking and Lubricating the Cables
70
Checking and Lubricating the Throttle Grip and Cable
70
Checking and Lubricating the Brake and Clutch Levers
71
Checking and Lubricating the Brake Pedal
71
Checking and Lubricating the Sidestand
72
Lubricating the Swingarm Pivots
72
Checking the Front Fork
73
Checking the Steering
73
Checking the Wheel Bearings
74
Battery
74
Replacing the Fuses
76
Replacing a Headlight Bulb
77
Replacing an Auxiliary Light Bulb
77
Tail/Brake Light
78
Replacing a Turn Signal Light Bulb
78
Replacing the License Plate Light Bulb
79
Supporting the Motorcycle
79
Troubleshooting
80
Troubleshooting Charts
81
Motorcycle Care and Storage
83
Matte Color Caution
83
Care
83
Storage
86
Specifications
88
Consumer Information
91
Identification Numbers
91
Diagnostic Connectors
92
Vehicle Data Recording
92
Index
93

YAMAHA YZF-R125 Owner's Manual

YAMAHA YZF-R125 Owner's Manual (86 pages)

2009

Brand: YAMAHA | Category: Motorcycle | Size: 4.02 MB

Table of Contents

Important Manual Information
4
Table of Contents
6
Safety Information

8
Description

12
- Left View
  12
- Right View
  13
- Controls and Instruments
  14
Instrument and Control Functions

15
- Main Switch/Steering Lock
  15
- Indicator and Warning Lights
  16
- Tachometer
  17
- Multi-Function Display
  17
- Handlebar Switches
  19
- Clutch Lever
  20
- Shift Pedal
  20
- Brake Lever
  20
- Brake Pedal
  21
- Fuel Tank Cap
  21
- Fuel
  22
- Catalytic Converters
  23
- Rider Seat
  24
- Sidestand
  24
- Ignition Circuit Cut-Off System
  25
For Your Safety - Pre-Operation Checks

27
Operation and Important Riding Points

30
- Starting the Engine
  30
- Shifting
  31
- Tips for Reducing Fuel Consumption
  32
- Engine Break-In
  32
- Parking
  33
Periodic Maintenance and Adjustment

34
Motorcycle Care and Storage

73
- Matte Color Caution
  73
- Care
  73
- Storage
  75
Specifications

77
Consumer Information

80
- Identification Numbers
  80

YAMAHA YZF-R125 Owner's Manual

YAMAHA YZF-R125 Owner's Manual (84 pages)

2007

Brand: YAMAHA | Category: Motorcycle | Size: 4.05 MB

Table of Contents

Important Manual Information
4
Table of Contents
6
Safety Information

8
Description

12
- Left View
  12
- Right View
  13
- Controls and Instruments
  14
Instrument and Control Functions

15
- Main Switch/Steering Lock
  15
- Indicator and Warning Lights
  16
- Tachometer
  17
- Multi-Function Display
  17
- Handlebar Switches
  18
- Clutch Lever
  19
- Shift Pedal
  20
- Brake Lever
  20
- Brake Pedal
  20
- Fuel Tank Cap
  21
- Fuel
  21
- Catalytic Converters
  22
- Rider Seat
  23
- Anti-Theft Device Housing
  23
- Sidestand
  24
- Ignition Circuit Cut-Off System
  24
Pre-Operation Checks

26
- Pre-Operation Check List
  27
Operation and Important Riding Points

29
- Starting the Engine
  29
- Shifting
  30
- Tips for Reducing Fuel Consumption
  31
- Engine Break-In
  31
- Parking
  32
Periodic Maintenance and Minor Repair

33
- Owner's Tool Kit
  33
- Periodic Maintenance and Lubrication Chart
  34
- Removing and Installing the Cowlings and Panel
  38
- Checking the Spark Plug
  40
- Engine Oil and Oil Filter Element
  41
- To Change the Engine Oil
  42
- Coolant
  44
- Replacing the Air Filter Element and Cleaning the Check Hose
  46
- Adjusting the Engine Idling
  46
- Speed
  46
- Adjusting the Throttle Cable Free Play
  47
- Valve Clearance
  48
- Tires
  48
- Cast Wheels
  50
- Adjusting the Clutch Lever Free Play
  51
- Checking the Front Brake Lever Free Play
  52
- Adjusting the Brake Pedal Free Play
  52
- Checking the Front and Rear Brake Pads
  52
- Checking the Brake Fluid Level
  53
- Changing the Brake Fluid
  54
- Drive Chain Slack
  54
- Cleaning and Lubricating the Drive Chain
  56
- Checking and Lubricating the Cables
  56
- Checking and Lubricating the Throttle Grip and Cable
  57
- Checking and Lubricating the Brake and Shift Pedals
  57
- Checking and Lubricating the Brake and Clutch Levers
  58
- Checking and Lubricating the Sidestand
  58
- Lubricating the Swingarm Pivots
  59
- Checking the Front Fork
  59
- Checking the Steering
  60
- Checking the Wheel Bearings
  60
- Battery
  61
- Replacing the Fuses
  62
- Replacing a Headlight Bulb
  63
- Tail/Brake Light
  63
  - Replacing a Turn Signal Light Bulb
    63
  - Replacing the License Plate Light Bulb
    64
  - Replacing an Auxiliary Light Bulb
    64
  - Supporting the Motorcycle
    64
  - Front Wheel
    65
  - Rear Wheel
    67
  - Troubleshooting
    68
  - Troubleshooting Charts
    69
Motorcycle Care and Storage

71
- Matte Color Caution
  71
- Care
  71
- Storage
  73
Specifications

75
Consumer Information

78
- Identification Numbers
  78

Related Products

YAMAHA Categories

Motorcycle Musical Instrument Electronic Keyboard Receiver Amplifier

More YAMAHA Manuals