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RAPTOR 250
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Yamaha RAPTOR 250 Service Manual Page 183
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Table of contents
TROUBLESHOOTING
BOOKMARKS
Rated
.
/ 5. Based on
customer reviews
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ENG
4-67
Order
Job
/
P
ar
ts to remov
e
Q’ty
Remar
ks
7
Spacer
1
F
or installation, re
v
erse the remov
al
procedure.
1
2
3
4
5
5
6
7
8 Nm (0.8 m•kg, 5.9 ft•lb)
20 Nm (2.0 m•kg
, 14.8 ft•lb)
10 Nm (1.0 m•kg,
7.4 ft•lb)
CRANKCASE
1
2
...
178
179
180
181
182
183
184
185
186
187
188
...
310
311
YFM250RX
1
EBS00001
2
HOW TO USE THIS MANUAL
4
EBS00006
5
TABLE OF CONTENTS
7
CHAPTER 1
8
CHAPTER 2
8
CHAPTER 3
9
CHAPTER 4
10
CHAPTER 5
12
CARBURETOR
12
CHAPTER 6
12
CHAPTER 7
13
ELECTRICAL
13
CHAPTER 8
14
TROUBLESHOOTING
14
GENERAL INFORMATION
16
IMPORTANT INFORMATION
17
SPECIAL TOOLS
20
YU-01304
21
SPECIFICATIONS
24
GENERAL SPECIFICATIONS
25
ENGINE SPECIFICATIONS
27
CHASSIS SPECIFICATIONS
34
ELECTRICAL SPECIFICATIONS
36
TIGHTENING TORQUES
38
HOW TO USE THE CONVERSION
42
GENERAL TIGHTENING TORQUE
42
EBS00024
43
OIL FLOW DIAGRAMS
45
CABLE ROUTING
48
INTRODUCTION
62
Whenever worn to the limit
63
Every 4 years
63
7 Nm (0.7 m•kg, 5.2 ft•Ib)
65
SEAT, FENDERS AND FUEL TANK
66
ADJUSTING THE VALVE CLEARANCE
70
14 Nm (1.4 m•kg, 10 ft•lb)
71
EBS00051
72
EBS00052
73
ADJUSTING THE SPEED LIMITER
74
CHECKING THE SPARK PLUG
76
CHECKING THE IGNITION TIMING
77
CHECKING THE ENGINE OIL LEVEL
80
CHANGING THE ENGINE OIL
82
ADJUSTING THE CLUTCH CABLE/
84
CLEANING THE SPARK ARRESTER
86
ADJUSTING THE REAR BRAKE/
88
ADJUSTING THE PARKING BRAKE
88
16 Nm (1.6 m•kg, 11 ft•lb)
89
CHECKING THE FRONT BRAKE PADS
90
CHECKING THE REAR BRAKE PADS
91
CHECKING THE BRAKE HOSES
92
CHECKING THE BRAKE HOSES/
93
21 Nm (2.1 m•kg, 15 ft•lb)
97
ADJUSTING THE TOE-IN
98
EBS00111
100
42 Nm (4.2 m•kg, 31 ft•lb)
101
CHECKING THE TIRES
102
LUBRICATING THE CABLES
104
EBS00118
105
ELECTRICAL SYSTEM
106
Charging time (hours)
107
CAUTION:
108
CHECKING THE FUSES
113
CHECKING THE FUSES/
114
ADJUSTING THE HEADLIGHT BEAM
114
REPLACING A HEADLIGHT BULB
115
34 Nm (3.4 m•kg, 25 ft•lb)
117
20 Nm (2.0 m•kg, 15 ft•lb)
117
8 Nm (0.8 m•kg, 5.9 ft•lb)
117
18 Nm (1.8 m•kg, 13 ft•lb)
117
ENGINE REMOVAL
118
10 Nm (1.0 m•kg, 7.4 ft•lb)
119
40 Nm (4.0 m
122
CYLINDER HEAD
123
ROCKER ARM, CAMSHAFT
131
VALVES AND VALVE SPRINGS
137
17 Nm (1.7 m•kg, 13 ft•lb)
147
CYLINDER AND PISTON
148
73 Nm (7.3 m•kg, 54 ft•lb)
155
80 Nm (8.0 m•kg, 59 ft•lb)
156
75 Nm (7.5 m•kg, 55 ft•lb)
156
Lock washer
162
6 Nm (0.6 m•kg, 4.4 ft•lb)
166
55 Nm (5.5 m•kg, 41 ft•lb)
166
7 Nm (0.7 m•kg, 5.0 ft•lb)
168
Inner rotor
169
Outer rotor
169
Oil pump housing
169
SHIFT SHAFT
174
20 Nm (2.0 m•kg, 14.8 ft•lb)
183
CRANKCASE
184
CRANKSHAFT ASSEMBLY
188
TRANSMISSION
193
2 Nm (0.2 m•kg, 1.5 ft•lb)
199
3.5 Nm (0.4 m•kg, 2.6 ft•lb)
199
28 Nm (2.8 m•kg, 21 ft•lb)
206
70 Nm (7.0 m•kg, 52 ft•lb)
206
45 Nm (4.5 m•kg, 33 ft•lb)
206
120 Nm (12.0 m•kg, 89 ft•lb)
208
FRONT AND REAR WHEELS
209
7 Nm (0.7 m•kg, 5.2 ft•lb)
213
140 Nm (14.0 m•kg, 103 ft•lb)
213
REAR AXLE AND REAR AXLE HUB
215
FRONT AND REAR BRAKES
220
5 Nm (0.5 m•kg, 3.7 ft•lb)
221
27 Nm (2.7 m•kg, 20 ft•lb)
224
31 Nm (3.1 m•kg, 23 ft•lb)
226
2.5 Nm (0.25 m•kg, 1.8 ft•lb)
235
15 Nm (1.5 m•kg, 11 ft•lb)
238
4 Nm (0.4 m•kg, 3.0 ft•lb)
247
STEERING SYSTEM
249
23 Nm (2.3 m•kg, 17 ft•lb)
252
25 Nm (2.5 m•kg, 18 ft•lb)
252
35 Nm (3.5 m•kg, 26 ft•lb)
252
ASSEMBLIES
256
100 Nm (10.0 m•kg, 74 ft•lb)
260
110 Nm (11.0 m•kg, 81 ft•lb)
260
DRIVE CHAIN
262
CHECKING SWITCH CONTINUITY
269
CHECKING THE SWITCHES
270
CHECKING THE BULBS AND
272
BULB SOCKETS
272
IGNITION SYSTEM
275
ELECTRIC STARTING SYSTEM
280
STARTER MOTOR
287
CHARGING SYSTEM
291
LIGHTING SYSTEM
294
SIGNAL SYSTEM
298
Br Sb BrSb
301
POOR IDLE SPEED PERFORMANCE
304
FAULTY GEAR SHIFTING
305
CLUTCH SLIPPING/DRAGGING
305
OVERHEATING
306
FAULTY BRAKE
306
SHOCK ABSORBER MALFUNCTION
306
FAULTY BRAKE/
306
UNSTABLE HANDLING
307
YAMAHA MOTOR CO., LTD
310
YFM250RX WIRING DIAGRAM
311
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