
EAS00010
TABLE OF CONTENTS
GENERAL INFORMATION
GEN
INFO
1
SPECIFICATIONS
SPEC
2
PERIODIC CHECKS AND
ADJUSTMENTS
CHK
ADJ
3
CHASSIS
CHAS
4
ENGINE
ENG
5
COOLING SYSTEM
COOL
6
CARBURETOR
CARB
7
ELECTRICAL SYSTEM
ELEC
8
TUNING
TUN
9
TROUBLESHOOTING
TRBL
SHTG
10
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YZ85LW(W)
1
-
EAS00000
2
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IMPORTANT MANUAL INFORMATION
3
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HOW TO USE THIS MANUAL
4
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EAS00008
5
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TABLE OF CONTENTS
6
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CHAPTER 1
7
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GENERAL INFORMATION
7
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CAUTION:
10
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IMPORTANT INFORMATION
10
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FUEL AND ENGINE MIXING OIL
11
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CHECKING THE CONNECTIONS
12
-
SPECIAL TOOLS
13
-
CHAPTER 2
16
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SPECIFICATIONS
16
-
ENGINE SPECIFICATIONS
18
-
CHASSIS SPECIFICATIONS
23
-
ELECTRICAL SPECIFICATIONS
27
-
CONVERSION TABLE
28
-
GENERAL TIGHTENING TORQUE
28
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TIGHTENING TORQUES
29
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EAS00031
32
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EAS00032
32
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CABLE ROUTING
33
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CHAPTER 3
38
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INTRODUCTION
39
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PERIODIC MAINTENANCE
40
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AND LUBRICATION INTERVALS
40
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EAS00042
41
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Order Job / Part Q’ty Remarks
42
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14 Number plate 1
42
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EAS00054
43
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EAS00058
44
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CHECKING THE SPARK PLUG
45
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CHECKING THE IGNITION TIMING
46
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CHANGING THE TRANSMISSION OIL
47
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EAS00081
48
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EAS00090
48
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2 Nm (0.2 m•kg, 1.4 ft•lb)
50
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CHECKING THE EXHAUST SYSTEM
51
-
CHECKING THE COOLANT LEVEL
52
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CHANGING THE COOLANT
53
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CHANGING THE COOLANT /
55
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ADJUSTING THE FRONT BRAKE
55
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ADJUSTING THE REAR BRAKE
56
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almost touch the
58
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Front brake
58
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Rear brake
58
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EAS00135
59
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EAS00143
62
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EAS00147
62
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CHECKING THE FRONT FORK
63
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CHECKING THE FRONT FORK /
64
-
ADJUSTING THE FRONT FORK LEGS
64
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CHECKING THE TIRES
68
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3 Nm (0.3 m•kg, 2.2 ft•lb)
70
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CHAPTER 4
71
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FRONT WHEEL AND BRAKE DISC
73
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REAR WHEEL AND BRAKE DISC
80
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FRONT AND REAR BRAKES
100
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FRONT FORK
114
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HANDLEBAR
127
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STEERING HEAD
133
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REAR SHOCK ABSORBER ASSEMBLY
137
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SWINGARM AND DRIVE CHAIN
142
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CHAPTER 5
152
-
60 Nm (6.0 m•kg, 43 ft•lb)
154
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5 Nm (0.5 m•kg, 3.6 ft•lb)
154
-
12 Nm (1.2 m•kg, 8.7 ft•lb)
155
-
7 Nm (0.7 m•kg, 5.1 ft•lb)
156
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63 Nm (6.3 m•kg, 46 ft•lb)
157
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69 Nm (6.9 m•kg, 50 ft•lb)
159
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20 Nm (2.0 m•kg, 14 ft•lb)
160
-
30 Nm (3.0 m•kg, 22 ft•lb)
160
-
EAS00222
161
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EAS00229
161
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28 Nm (2.8 m•kg, 20 ft•lb)
163
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13 Nm (1.3 m•kg, 9.4 ft•lb)
163
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EAS00263
167
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EAS00267
169
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70 Nm (7.0 m•kg, 51 ft•lb)
171
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6 Nm (0.6 m•kg, 4.3 ft•lb)
171
-
10 Nm (1.0 m•kg, 7.2 ft•lb)
171
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EAS00276
173
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EAS00280
174
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EAS00281
174
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EAS00282
175
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EAS00284
175
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EAS00285
175
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EAS00286
175
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EAS00288
176
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EAS00298
176
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KICK STARTER AND SHIFT SHAFT
179
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CDI MAGNETO
189
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CRANKCASE AND CRANKSHAFT
193
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TRANSMISSION
199
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CHAPTER 6
207
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COOLING SYSTEM
207
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RADIATOR
209
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WATER PUMP
211
-
CHAPTER 7
214
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CARBURETOR
214
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CARBURETOR AND REED VALVE
216
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CHAPTER 8
224
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ELECTRICAL SYSTEM
224
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CHECKING SWITCH CONTINUITY
226
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IGNITION SYSTEM
227
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CHAPTER 9
231
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Full-closed
233
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1 / 2 3 / 4 Full-open
233
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Diameter of straight portion
236
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Clip position
236
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ENGINE / CHASSIS
238
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CHAPTER 10
248
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TROUBLESHOOTING
248
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INCORRECT ENGINE IDLING SPEED
250
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FAULTY GEAR SHIFTING
250
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FAULTY CLUTCH
251
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OVERHEATING
251
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POOR BRAKING PERFORMANCE
252
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FAULTY FRONT FORK LEGS
252
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UNSTABLE HANDLING
252
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YAMAHA MOTOR CO., LTD
253
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YZ85W1 / YZ85(W) / YZ85LW(W)
254
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2007 WIRING DIAGRAM
254
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YZ85W1/YZ85(W)/YZ85LW(W)
255
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