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YZ250F 2024
Yamaha YZ250F 2024 Manuals
Manuals and User Guides for Yamaha YZ250F 2024. We have
2
Yamaha YZ250F 2024 manuals available for free PDF download: Owner's Service Manual, Owner's Manual
Yamaha YZ250F 2024 Owner's Service Manual (388 pages)
Brand:
Yamaha
| Category:
Motorcycle
| Size: 28 MB
Table of Contents
Fcc Caution
3
Important Manual Information
5
How to Use this Manual
7
General Information
9
Table of Contents
11
Safety Information
13
For Safety, be Sure to Obey the Following
13
About the Battery
16
Lithium-Ion Battery
16
Lithium-Ion Battery Degradation
16
Location of Important Labels
17
Description
18
Identification
19
Vehicle Identification Number
19
Engine Serial Number
19
Included Parts
20
Sidestand
20
Nipple Wrench
20
Handlebar Protector
20
Fuel Hose Joint Cover
20
Power Tuner
20
Important Information
23
Preparation for Removal and Disassembly
23
Replacement Parts
23
Gaskets, Oil Seals and O-Rings
23
Lock Washers/Plates and Cotter Pins
24
Bearings and Oil Seals
24
Circlips
24
Basic Service Information
25
Electrical System
25
Special Tools
29
Instrument and Control Functions
35
Engine Stop Switch
35
Start Switch
35
Launch Control System
35
Lap Time Record Mode
36
Drive Mode
36
Shift Pedal
37
Front Brake Lever
37
Rear Brake Pedal
37
Starter Knob
37
Fuel Tank Cap
37
Starting and Break-In
39
Fuel
39
Starting a Cold Engine
39
Starting a Warm Engine
40
Break-In Procedures
40
Engine Starting Precaution
40
Maintenance after Break-In
41
Major Maintenance
41
Air Filter Maintenance
41
Torque-Check Points
42
Motorcycle Care and Storage
44
Care
44
Storage
45
Specifications
48
General Specifications
48
Engine Specifications
49
Chassis Specifications
52
Electrical Specifications
55
Tightening Torques
56
General Tightening Torque Specifications
56
Engine Tightening Torques
57
Chassis Tightening Torques
60
Cable Routing Diagram
64
Maintenance Intervals
84
Pre-Operation Inspection and Maintenance
88
General Inspection and Maintenance
88
Engine
89
Adjusting the Valve Clearance
89
Valve Clearance Shim Chart
92
Checking the Engine Idling Speed
94
Checking the Throttle Grip
94
Checking the Spark Plug
95
Checking the Engine Oil Level
95
Changing the Engine Oil
96
Adjusting the Clutch Lever Free Play
97
Adjusting the Clutch Lever Position
98
Cleaning the Air Filter Element
98
Checking the Throttle Body Joint
100
Checking the Fuel Line
101
Checking the Cylinder Head Breather Hose
101
Checking the Exhaust System
101
Checking the Coolant Level
103
Checking the Cooling System
104
Changing the Coolant
104
Chassis
106
Adjusting the Front Disc Brake
106
Adjusting the Rear Disc Brake
106
Checking the Brake Fluid Level
106
Checking the Front Brake Pads
107
Checking the Rear Brake Pads
107
Checking the Front Brake Hose
107
Checking the Rear Brake Hose
108
Checking the Brake Operation
108
Bleeding the Hydraulic Brake System
108
Drive Chain Slack
109
Checking and Adjusting the Steering Head
110
Lubricating the Steering Head
111
Checking the Front Fork Legs
111
Adjusting the Front Fork Legs
111
Checking the Rear Shock Absorber Assembly
113
Adjusting the Rear Shock Absorber Assembly
113
Checking the Swingarm Operation
115
Lubricating the Swingarm Pivot
115
Checking the Connecting Arm and Relay Arm
115
Checking the Tires
115
Checking and Tightening the Spokes
116
Checking the Wheels
116
Checking the Wheel Bearings
116
Checking the Chassis Fasteners
116
Checking and Lubricating the Cables
116
Lubricating the Brake Lever
117
Lubricating the Clutch Lever
117
Lubricating the Pedal
117
Electrical System
118
Checking and Charging the Battery
118
Checking the Fuses
118
General Chassis
121
General Chassis
124
Removing the Seat
124
Removing the Number Plate
124
Installing the Shroud
124
Removing the Side Cover
125
Installing the Side Cover
125
Front Wheel
126
Removing the Front Wheel
128
Disassembling the Front Wheel
128
Checking the Front Wheel
128
Assembling the Front Wheel
128
Installing the Front Wheel
129
Rear Wheel
131
Removing the Rear Wheel
133
Disassembling the Rear Wheel
133
Checking the Rear Wheel
133
Checking and Replacing the Rear Wheel Sprocket
133
Assembling the Rear Wheel
134
Installing the Rear Wheel
134
Front Brake
136
Introduction
140
Checking the Front Brake Disc
140
Replacing the Front Brake Pads
140
Removing the Front Brake Caliper
142
Disassembling the Front Brake Caliper
142
Checking the Front Brake Caliper
142
Assembling the Front Brake Caliper
142
Installing the Front Brake Caliper
143
Removing the Front Brake Master Cylinder
144
Checking the Front Brake Master Cylinder
144
Assembling the Front Brake Master Cylinder
144
Installing the Front Brake Master Cylinder
145
Brake System
146
Rear Brake
147
Introduction
152
Checking the Rear Brake Disc
152
Replacing the Rear Brake Pads
152
Removing the Rear Brake Caliper
154
Disassembling the Rear Brake Caliper
154
Checking the Rear Brake Caliper
154
Assembling the Rear Brake Caliper
155
Installing the Rear Brake Caliper
155
Removing the Rear Brake Master Cylinder
156
Checking the Rear Brake Master Cylinder
156
Assembling the Rear Brake Master Cylinder
156
Installing the Rear Brake Master Cylinder
157
Removing the Handlebar
161
Checking the Handlebar
161
Installing the Handlebar
161
Front Fork
166
Removing the Front Fork Legs
168
Disassembling the Front Fork Legs
168
Checking the Front Fork Legs
169
Assembling the Front Fork Legs
170
Installing the Front Fork Legs
176
Steering Head
178
Removing the Lower Bracket
180
Checking the Steering Head
180
Installing the Steering Head
180
Rear Shock Absorber Assembly
183
Handling the Rear Shock Absorber
186
Disposing of a Rear Shock Absorber
186
Removing the Rear Shock Absorber Assembly
186
Checking the Rear Shock Absorber Assembly
186
Checking the Connecting Arm and Relay Arm
187
Installing the Relay Arm
187
Installing the Connecting Arm
187
Installing the Rear Shock Absorber Assembly
188
Swingarm
190
Removing the Swingarm
192
Checking the Swingarm
192
Installing the Swingarm
192
Chain Drive
194
Removing the Drive Chain
195
Checking the Drive Chain
195
Checking the Drive Sprocket
196
Checking the Rear Wheel Sprocket
196
Installing the Drive Chain
196
Lubrication System Chart and Diagrams
201
Engine Oil Lubrication Chart
201
Lubrication Diagrams
202
Engine Removal
206
Removing the Engine
210
Installing the Engine
210
Installing the Exhaust Pipe and Muffler
211
Camshaft
213
Removing the Camshaft
215
Checking the Camshaft
216
Checking the Timing Chain and Camshaft Sprocket
217
Checking the Timing Chain Tensioners
217
Checking the Decompression System
217
Installing the Camshafts
217
Cylinder Head
220
Removing the Cylinder Head
222
Checking the Timing Chain Guide (Intake Side)
222
Checking the Cylinder Head
222
Installing the Cylinder Head
222
Valves and Valve Springs
225
Removing the Valves
226
Checking the Valves and Valve Guides
227
Checking the Valve Seats
228
Checking the Valve Springs
229
Checking the Valve Lifters
230
Installing the Valves
230
Cylinder and Piston
232
Removing the Piston
233
Checking the Cylinder and Piston
233
Checking the Piston Rings
234
Checking the Piston Pin
234
Installing the Piston and Cylinder
235
Generator
237
Removing the Generator
238
Checking the Generator
238
Checking the Woodruff Key
238
Installing the Generator
238
Starter Clutch
240
Removing the Starter Clutch
242
Checking the Starter Clutch
242
Installing the Starter Clutch
242
Electric Starter
244
Checking the Starter Motor
246
Assembling the Starter Motor
246
Clutch
248
Removing the Clutch
251
Checking the Friction Plates
251
Checking the Clutch Plates
251
Checking the Clutch Springs
251
Checking the Clutch Housing
251
Checking the Clutch Boss
252
Checking the Pressure Plate
252
Checking the Push Lever Shaft
252
Checking the Push Rods
252
Checking the Primary Drive Gear
252
Checking the Primary Driven Gear
252
Installing the Clutch
252
Shift Shaft
256
Removing the Segment
258
Checking the Shift Shaft
258
Checking the Stopper Lever
258
Installing the Shift Shaft
258
Oil Pump
261
Oil Pump
264
Removing the Balancer
264
Checking the Oil Pump
264
Assembling the Oil Pump
264
Installing the Oil Pump
265
Crankcase
268
Disassembling the Crankcase
272
Checking the Timing Chain Guide (Exhaust Side)
272
Checking the Crankcase
272
Assembling the Crankcase
273
Crankshaft and Balancer Shaft
274
Removing the Crankshaft
275
Checking the Crankshaft
275
Installing the Crankshaft
276
Transmission
277
Removing the Transmission
279
Checking the Shift Forks
279
Checking the Shift Drum Assembly
279
Checking the Transmission
280
Installing the Transmission
280
Cooling System
284
Cooling System Diagrams
284
Radiator
285
Checking the Radiator
287
Installing the Radiator
287
Water Pump
289
Disassembling the Water Pump
290
Checking the Water Pump
290
Assembling the Water Pump
290
Fuel Tank
295
Removing the Fuel Tank
295
Removing the Fuel Pump
295
Checking the Fuel Pump Body
295
Checking the Fuel Pump Operation
295
Installing the Fuel Pump
295
Installing the Fuel Tank
296
Throttle Body
297
Throttle Body
300
Removing the Air Filter Case Joint
300
Checking the Injector
300
Checking the Throttle Body
300
Operation Table
301
Checking the Fuel Pressure
301
Adjusting the Throttle Position Sensor
301
Installing the Air Filter Case Joint
302
Installing the Air Filter Case Assembly Bracket
302
Ignition System
304
Circuit Diagram
304
Troubleshooting
306
Position Switch
307
Electric Starting System
310
Circuit Diagram
310
Troubleshooting
312
Charging System
314
Circuit Diagram
314
Troubleshooting
316
Fuel Injection System
318
Circuit Diagram
318
Checking the Indicator Light
320
Yamaha Diagnostic Tool
321
Connecting the Yamaha Diagnostic Tool
321
Troubleshooting Details (Fault Code)
323
Fuel Pump System
344
Circuit Diagram
344
Troubleshooting
346
Electrical Components
347
Checking the Switches
348
Checking the Fuses
350
Checking and Charging the Battery
350
REPLACING the ECU (Engine Control Unit)
352
Checking the Relays
352
Checking the Ignition Spark Gap
352
Checking the Spark Plug Cap
353
Checking the Ignition Coil
353
Checking the Crankshaft Position Sensor
354
Checking the Lean Angle Sensor
354
Checking the Starter Motor Operation
354
Checking the Stator Coil
354
Checking the Rectifier/Regulator
355
Checking the Coolant Temperature Sensor
355
Checking the Throttle Position Sensor Input Voltage
356
Checking the Intake Air Temperature Sensor
356
Checking the Gear Position Switch
357
Checking the Injector
357
General Information
360
TROUBLESHOOTING of ENGINE (Fault Code Not Detected)
360
Troubleshooting
360
Troubleshooting of Clutch
363
Troubleshooting of Transmission
365
Troubleshooting of Cooling System
366
Troubleshooting of Brake
367
Troubleshooting of Suspension
367
Troubleshooting of Steering/Handling
369
Troubleshooting of Charging System
370
Self-Diagnostic Function and Diagnostic Code Table
371
Self-Diagnostic Function Table (for Fuel Injection System)
371
Diagnostic Code: Sensor Operation Table
371
Diagnostic Code: Actuator Operation Table
373
Chassis
376
Selection of the Secondary Reduction Ratio (Sprocket)
376
Drive and Rear Wheel Sprockets Setting Parts
376
Tire Pressure
376
Front Fork Setting
377
Change in Amount and Characteristics of Fork Oil
377
Setting of Spring after Replacement
377
Front Fork Setting Parts
378
Rear Suspension Setting
378
Choosing Set Length
378
Setting of Spring after Replacement
379
Rear Shock Absorber Setting Parts
379
Suspension Setting (Front Fork)
380
Suspension Setting (Rear Shock Absorber)
381
Wiring Diagram
383
Color Code
383
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Yamaha YZ250F 2024 Owner's Manual (164 pages)
Brand:
Yamaha
| Category:
Motorcycle
| Size: 6 MB
Table of Contents
Important Manual Information
7
Table of Contents
9
General Information
11
Safety Information
13
For Safety, be Sure to Obey the Following
13
About the Battery
16
Lithium-Ion Battery
16
Lithium-Ion Battery Degradation
16
Recycling the Battery
16
Location of Important Labels
17
Description
20
Identification
21
Vehicle Identification Number
21
Engine Serial Number
21
Included Parts
22
Sidestand
22
Nipple Wrench
22
Handlebar Protector
22
Fuel Hose Joint Cover
22
Power Tuner
22
Important Information
25
Preparation for Removal and Disassembly
25
Replacement Parts
25
Instrument and Control Functions
26
Engine Stop Switch
26
Start Switch
26
Launch Control System
26
Lap Time Record Mode
27
Drive Mode
27
Shift Pedal
28
Front Brake Lever
28
Rear Brake Pedal
28
Starter Knob
28
Fuel Tank Cap
28
Starting and Break-In
30
Fuel
30
Starting a Cold Engine
30
Starting a Warm Engine
31
Break-In Procedures
31
Engine Starting Precaution
31
Maintenance after Break-In
32
Major Maintenance
32
Air Filter Maintenance
32
Torque-Check Points
33
Motorcycle Care and Storage
35
Care
35
Storage
36
Specifications
39
General Specifications
40
Engine Specifications
41
Chassis Specifications
43
Electrical Specifications
46
Tightening Torques
47
General Tightening Torque Specifications
47
Engine Tightening Torques
48
Chassis Tightening Torques
51
Maintenance Intervals
58
Pre-Operation Inspection and Maintenance
62
General Inspection and Maintenance
62
Engine
63
Adjusting the Valve Clearance
63
Checking the Engine Idling Speed
64
Checking the Throttle Grip
64
Checking the Spark Plug
65
Checking the Engine Oil Level
65
Changing the Engine Oil
66
Adjusting the Clutch Lever Free Play
67
Adjusting the Clutch Lever Position
68
Cleaning the Air Filter Element
68
Checking the Throttle Body Joint
70
Checking the Fuel Line
71
Checking the Cylinder Head Breather Hose
71
Checking the Exhaust System
71
Checking the Coolant Level
73
Checking the Cooling System
74
Changing the Coolant
74
Chassis
76
Adjusting the Front Disc Brake
76
Adjusting the Rear Disc Brake
76
Checking the Brake Fluid Level
76
Checking the Front Brake Pads
77
Checking the Rear Brake Pads
77
Checking the Front Brake Hose
77
Checking the Rear Brake Hose
78
Checking the Brake Operation
78
Bleeding the Hydraulic Brake System
78
Drive Chain Slack
79
Checking and Adjusting the Steering Head
80
Lubricating the Steering Head
81
Checking the Front Fork Legs
81
Adjusting the Front Fork Legs
82
Checking the Rear Shock Absorber Assembly
83
Adjusting the Rear Shock Absorber Assembly
83
Checking the Swingarm Operation
85
Lubricating the Swingarm Pivot
85
Checking the Tires
86
Checking and Tightening the Spokes
86
Checking the Wheels
86
Lubricating the Pedal
87
Checking and Lubricating the Cables
87
Electrical System
88
General Chassis
91
Removing the Seat
91
Removing the Number Plate
91
Installing the Shroud
91
Removing the Side Cover
92
Installing the Side Cover
92
Front Wheel
93
Removing the Front Wheel
93
Installing the Front Wheel
93
Rear Wheel
94
Removing the Rear Wheel
94
Checking and Replacing the Rear Wheel Sprocket
94
Installing the Rear Wheel
94
Front Brake
96
Replacing the Front Brake Pads
96
Rear Brake
98
Replacing the Rear Brake Pads
98
Handlebar
100
Removing the Handlebar
100
Checking the Handlebar
100
Installing the Handlebar
100
Front Fork
105
Removing the Front Fork Legs
105
Disassembling the Front Fork Legs
105
Checking the Front Fork Legs
106
Assembling the Front Fork Legs
107
Installing the Front Fork Legs
113
Steering Head
115
Removing the Lower Bracket
115
Checking the Steering Head
115
Installing the Steering Head
115
Rear Shock Absorber Assembly
118
Removing the Rear Shock Absorber Assembly
118
Checking the Rear Shock Absorber Assembly
118
Swingarm
119
Removing the Swingarm
119
Chain Drive
120
Removing the Drive Chain
120
Checking the Drive Chain
120
Checking the Drive Sprocket
121
Checking the Rear Wheel Sprocket
121
Installing the Drive Chain
121
Exhaust System
124
Installing the Exhaust Pipe and Muffler
124
Clutch
126
Removing the Clutch
126
Checking the Friction Plates
126
Checking the Clutch Plates
126
Checking the Clutch Springs
126
Checking the Clutch Housing
126
Checking the Clutch Boss
127
Checking the Pressure Plate
127
Checking the Push Lever Shaft
127
Checking the Push Rods
127
Checking the Primary Drive Gear
127
Checking the Primary Driven Gear
127
Installing the Clutch
127
Fuel System
131
Removing the Fuel Tank
132
Installing the Fuel Tank
132
Electrical Components
136
Checking the Fuses
136
Checking and Charging the Battery
136
Troubleshooting
139
Troubleshooting
140
General Information
140
TROUBLESHOOTING of ENGINE (Fault Code Not Detected)
140
Troubleshooting of Clutch
143
Troubleshooting of Transmission
145
Troubleshooting of Cooling System
146
Troubleshooting of Brake
147
Troubleshooting of Suspension
147
Troubleshooting of Steering/Handling
149
Troubleshooting of Charging System
150
Tuning
151
Chassis
152
Selection of the Secondary Reduction Ratio (Sprocket)
152
Drive and Rear Wheel Sprockets Setting Parts
152
Tire Pressure
152
Front Fork Setting
153
Change in Amount and Characteristics of Fork Oil
153
Setting of Spring after Replacement
153
Front Fork Setting Parts
154
Rear Suspension Setting
154
Choosing Set Length
154
Setting of Spring after Replacement
155
Rear Shock Absorber Setting Parts
155
Suspension Setting (Front Fork)
156
Suspension Setting (Rear Shock Absorber)
157
Wiring Diagram
159
Color Code
159
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