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YZ125X 2023
Yamaha YZ125X 2023 Manuals
Manuals and User Guides for Yamaha YZ125X 2023. We have
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Yamaha YZ125X 2023 manual available for free PDF download: Owner's Manual
Yamaha YZ125X 2023 Owner's Manual (146 pages)
Brand:
Yamaha
| Category:
Motorcycle
| Size: 4.34 MB
Table of Contents
Table of Contents
7
General Information
9
Safety Information
10
For Safety, be Sure to Obey the Following
10
Location of Important Labels
13
Description
16
Identification
17
Vehicle Identification Number
17
Engine Serial Number
17
COLLAR (Tool for YPVS)
18
Included Parts
18
Valve Joint
18
Nipple Wrench
18
Important Information
19
Preparation for Removal and Disassembly
19
Replacement Parts
19
Fuel Cock
20
Rear Brake Pedal
20
Front Brake Lever
20
Kickstarter Lever
20
Engine Stop Switch
20
Instrument and Control Functions
20
Shift Pedal
20
Starter Knob (Choke)
21
Sidestand
21
Starting and Break-In
22
Fuel and Engine Mixing Oil
22
Starting a Cold Engine
22
Starting a Warm Engine
22
Break-In Procedures
22
Air Filter Maintenance
24
Maintenance after Break-In
24
Major Maintenance
24
Torque-Check Points
25
Motorcycle Care and Storage
27
Care
27
Storage
28
Specifications
31
General Specifications
32
Engine Specifications
33
Chassis Specifications
35
General Tightening Torque Specifications
37
Tightening Torques
37
Periodic Checks and Adjustments
43
Maintenance Intervals
45
General Inspection and Maintenance
48
Pre-Operation Inspection and Maintenance
48
Adjusting the Pilot Air Screw
49
Checking the Engine Idling Speed
49
Checking the Spark Plug
49
Checking the Throttle Grip
49
Engine
49
Changing the Transmission Oil
50
Checking the Transmission Oil Level
50
Adjusting the Clutch Lever Free Play
51
Adjusting the Clutch Lever Position
52
Cleaning the Air Filter Element
52
Checking the Carburetor Hoses
53
Checking the Carburetor Joint
53
Checking the Coolant Level
54
Checking the Exhaust System
54
Changing the Coolant
55
Checking the Cooling System
55
Adjusting the Front Disc Brake
57
Adjusting the Rear Disc Brake
57
Chassis
57
Checking the Brake Fluid Level
58
Checking the Front Brake Hose
58
Checking the Front Brake Pads
58
Checking the Rear Brake Pads
58
Bleeding the Hydraulic Brake System
59
Checking the Brake Operation
59
Checking the Rear Brake Hose
59
Drive Chain Slack
60
Checking and Adjusting the Steering Head
61
Lubricating the Drive Chain
61
Checking the Front Fork Legs
62
Lubricating the Steering Head
62
Adjusting the Front Fork Legs
63
Adjusting the Rear Shock Absorber Assembly
64
Checking the Rear Shock Absorber Assembly
64
Checking the Swingarm Operation
66
Checking the Tires
66
Lubricating the Swingarm Pivot
66
Checking and Lubricating the Cables
67
Checking and Tightening the Spokes
67
Checking the Chassis Fasteners
67
Checking the Wheels
67
Chassis
69
General Chassis
71
Removing the Number Plate
71
Removing the Side Cover
71
Front Wheel
72
Installing the Front Wheel
72
Removing the Front Wheel
72
Checking and Replacing the Rear Wheel Sprocket
73
Installing the Rear Wheel
73
Rear Wheel
73
Removing the Rear Wheel
73
Front Brake
75
Replacing the Front Brake Pads
75
Rear Brake
77
Replacing the Rear Brake Pads
77
Checking the Handlebar
79
Handlebar
79
Installing the Handlebar
79
Removing the Handlebar
79
Disassembling the Front Fork Legs
84
Front Fork
84
Removing the Front Fork Legs
84
Checking the Front Fork Legs
85
Assembling the Front Fork Legs
86
Installing the Front Fork Legs
92
Checking the Steering Head
95
Installing the Steering Head
95
Removing the Lower Bracket
95
Steering Head
95
Checking the Rear Shock Absorber Assembly
98
Rear Shock Absorber Assembly
98
Removing the Rear Shock Absorber Assembly
98
Removing the Swingarm
99
Swingarm
99
Chain Drive
100
Removing the Drive Chain
100
Engine
103
Electrical System
109
Troubleshooting
111
General Information
112
Troubleshooting
112
Troubleshooting of Engine
112
Troubleshooting of Clutch
117
Troubleshooting of Transmission
118
Troubleshooting of Cooling System
119
Troubleshooting of Brake
120
Troubleshooting of Suspension
120
Troubleshooting of Steering/Handling
122
Tuning
125
Atmospheric Conditions and Carburetor Settings
126
Carburetor Setting
126
Engine
126
Test Run
126
Effects of the Setting Parts on the Throttle Valve Opening
127
Main Jet Adjustment
127
Pilot Air Screw Adjustment
127
Pilot Jet Adjustment
127
Jet Needle Adjustment
128
Jet Needle Groove Position Adjustment
128
Carburetor Setting Parts
129
Relationship with Throttle Opening
129
Examples of Carburetor Setting Depending on Symptom
131
Road Condition and Examples of Carburetor Setting
131
Change of the Heat Range of Spark Plugs
133
Chassis
134
Drive and Rear Wheel Sprockets Setting Parts
134
Selection of the Secondary Reduction Ratio (Sprocket)
134
Tire Pressure
134
Change in Amount and Characteristics of Fork Oil
135
Front Fork Setting
135
Setting of Spring after Replacement
135
Choosing Set Length
136
Front Fork Setting Parts
136
Rear Suspension Setting
136
Rear Shock Absorber Setting Parts
137
Setting of Spring after Replacement
137
Suspension Setting (Front Fork)
139
Suspension Setting (Rear Shock Absorber)
140
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