2005 YAMAHA VX110 fuel

5-1
EPOWRENGINE UNIT
ENGINE UNIT
EXPLODED DIAGRAM
REMOVAL AND INSTALLATION CHART
Step Procedure/Part name Q’ty Service points
ENGINE UNIT REMOVAL
Follow the left “Step” for removal.
Engine oil Drain.
Refer to “POWER UNIT” in Chapter 3.
Storage compartment panel Refer to “FRONT HOOD” in Chapter 8.
Battery negative and positive lead Refer to “FUSE BOX” in Chapter 7.
Fuel hose Refer to “FUEL INJECTION SYSTEM” in
Chapter 4.
Water lock and exhaust joint Refer to “EXHAUST SYSTEM” in Chapter 8.
1 Bolt/washer 2/2
2 Fuse box 1
14 10
10
2
113
3
4
11
15
12
8
7
9
6
5
2nd 18 N  m (1.8 kgf  m, 13 ft  Ib) 1st 8.8 N  m (0.88 kgf  m, 6.4 ft  Ib)
8 × 35 mm
6 × 25 mm
7.8 N  m (0.78 kgf  m, 5.6 ft  Ib)
8 × 35 mm 17 N  m (1.7 kgf  m, 12 ft  Ib)
17 N  m (1.7 kgf  m, 12 ft  Ib)8 × 40 mm
17 N  m (1.7 kgf  m, 12 ft  Ib)
10LT
242
LT
LT
572
LT
LT
271
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5-12
EPOWROIL TANK
OIL TANK
EXPLODED DIAGRAM
REMOVAL AND INSTALLATION CHART
Step Procedure/Part name Q’ty Service points
OIL TANK REMOVAL
Follow the left “Step” for removal.
Engine unit Refer to “ENGINE UNIT”.
Intake assembly Refer to “FUEL INJECTION SYSTEM” in
Chapter 4.
1 Clamp/cooling water hose 1/1È
To exhaust pipe 1
2Bolt 4
3 Water jacket 1
4Gasket 1
5 Clamp/breather hose 2/1
6 Clamp/breather hose 2/1É
To oil pump
7Bolt 2
8 Collar 2
Ì
LT
572
LT
572
LT
572
LT
572
LT
572
LT
572
23 1925 24
26
25
2116 17 15
14
1220 22
3
4
6 8
9
72
6
AA
6 × 30 mm
2nd 7.6 N  m (0.76 kgf
 m, 5.5 ft
 Ib) 1st 3.7 N  m (0.37 kgf
 m, 2.7 ft
 Ib)
2nd 15 N  m (1.5 kgf
 m, 11 ft
 Ib) 1st 2.0 N  m (0.2 kgf
 m, 1.4 ft
 Ib)
3rd 39 N  m (3.9 kgf
 m, 28 ft
 Ib)
2nd 39 N  m (3.9 kgf
 m, 28 ft
 Ib) 1st 15 N  m (1.5 kgf
 m, 11 ft
 Ib)
10 × 85 mm2nd 15 N  m (1.5 kgf
 m, 11 ft
 Ib) 1st 2.0 N  m (0.2 kgf
 m, 1.4 ft
 Ib)
10 × 70 mm
3rd 39 N  m (3.9 kgf
 m, 28 ft
 Ib)7.6 N 
m (0.76 kgf  m, 5.5 ft  Ib)
6 × 35 mm
È
ÉÌ13
LT
572
LT
572
LT
572
LT
572
18
102nd 7.6 N  m (0.76 kgf  m, 5.5 ft  Ib)
1st 3.7 N  m (0.37 kgf  m, 2.7 ft  Ib)
6 × 20 mm
Ê
Ë
a
1
5
1111
5
6 × 35 mm
Not reusable
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5-54
EPOWRCYLINDER HEAD
CYLINDER HEAD
EXPLODED DIAGRAM
REMOVAL AND INSTALLATION CHART
Step Procedure/Part name Q’ty Service points
CYLINDER HEAD REMOVAL
Follow the left “Step” for removal.
Engine unit Refer to “ENGINE UNIT”.
Intake assembly Refer to “FUEL INJECTION SYSTEM” in
Chapter 4.
Exhaust pipes 1 and 2 Refer to “EXHAUST PIPES 1 AND 2”.
Oil tank Refer to “OIL TANK”.
Intake and exhaust camshaft Refer to “CAMSHAFTS”.
1Bolt 2
2 Hunger 1
3Bolt 3
EEE
E
2 4
1
855
7
9 3 6
6
LT
271
2nd 121 ± 5˚ 1st 20 N • m (2.0 kgf
• m, 14 ft
• Ib)
2nd 140 ± 5˚ 1st 20 N • m (2.0 kgf
• m, 14 ft
• Ib)
10 N •
m (1.0 kgf • m, 7.2 ft • Ib)
6 × 12 mm
10 N •
m (1.0 kgf • m, 7.2 ft • Ib)
6 × 55 mm
8 × 20 mm
6
2nd 105 ± 5˚ 1st 20 N • m (2.0 kgf
• m, 14 ft
• Ib)
2nd 105 ± 5˚ 1st 20 N • m (2.0 kgf
• m, 14 ft
• Ib)
2nd 105 ± 5˚ 1st 20 N • m (2.0 kgf
• m, 14 ft
• Ib)
2nd 105 ± 5˚ 1st 20 N • m (2.0 kgf
• m, 14 ft
• Ib)
E6
4
66
6
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5-71
EPOWRCRANKCASE
CRANKCASE
EXPLODED DIAGRAM
REMOVAL AND INSTALLATION CHART
Step Procedure/Part name Q’ty Service points
OIL PAN AND CRANKCASE
REMOVALFollow the left “Step” for removal.
Engine unit Refer to “ENGINE UNIT”.
Intake assembly Refer to “FUEL INJECTION SYSTEM” in
Chapter 4.
Exhaust pipes 1 and 2 Refer to “EXHAUST PIPES 1 AND 2”.
Exhaust manifold Refer to “EXHAUST MANIFOLD”.
Generator cover Refer to “GENERATOR AND STARTER
MOTOR”.
Oil tank Refer to “OIL TANK”.
Oil pump Refer to “OIL PUMP”.
*: Loosen completely
6
21 20
20 11
10 9
87
23
4
5
16
151718
13 14
1219
1
LT
271
LT
LT
572
LT
LT
572
LT
LT
572
LT
LT
572
LT
LT
572
LT
E
E
AA
12 N •
m (1.2 kgf • m, 8.7 ft • Ib)
6 × 70 mm
12 N •
m (1.2 kgf • m, 8.7 ft • Ib)
6 × 20 mm
20 N •
m (2.0 kgf • m, 14 ft • Ib)
8 × 40 mm
2nd *
3rd 15 N • m (1.5 kgf
• m, 11 ft
• Ib) 1st 7.8 N • m (0.78 kgf
• m, 5.6 ft
• Ib)
9 × 105 mm
4th 49 ± 5˚
8.4 N •
m (0.84 kgf • m, 6.1 ft • Ib)
12 N •
m (1.2 kgf • m, 8.7 ft • Ib)
6 × 55 mm
12 N •
m (1.2 kgf • m, 8.7 ft • Ib)
6 × 55 mm
7.6 N •
m (0.76 kgf • m, 5.5 ft • Ib)
6 × 16 mm
15 N •
m (1.5 kgf • m, 11 ft • Ib)
12 N •
m (1.2 kgf • m, 8.7 ft • Ib)
6 × 20 mm
18
AA
1280B
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E
–+ELEC
1
2
3
4
5
6
7
8
9
CHAPTER 7
ELECTRICAL SYSTEM
ELECTRICAL COMPONENTS........................................................................ 7-1
FUSE BOX ....................................................................................................... 7-2
EXPLODED DIAGRAM ............................................................................. 7-2
REMOVAL AND INSTALLATION CHART ................................................ 7-2
ECM AND RECTIFIER/REGULATOR............................................................. 7-7
EXPLODED DIAGRAM ............................................................................. 7-7
REMOVAL AND INSTALLATION CHART ................................................ 7-7
ELECTRICAL ANALYSIS ............................................................................... 7-9
INSPECTION............................................................................................. 7-9
Digital tester ........................................................................................ 7-9
Low resistance measurement ........................................................... 7-10
Peak voltage measurement .............................................................. 7-10
Peak voltage adapter ........................................................................ 7-11
Test harness .................................................................................... 7-11
IGNITION SYSTEM ....................................................................................... 7-12
WIRING DIAGRAM ................................................................................. 7-12
IGNITION SPARK ................................................................................... 7-14
IGNITION SYSTEM PEAK VOLTAGE .................................................... 7-15
BATTERY ................................................................................................ 7-17
FUSE ....................................................................................................... 7-17
SPARK PLUGS ....................................................................................... 7-17
IGNITION COIL ....................................................................................... 7-18
ENGINE STOP SWITCH ......................................................................... 7-18
ENGINE TEMPERATURE SENSOR ...................................................... 7-19
SENSOR ASSEMBLY ............................................................................. 7-19
THERMOSWITCH (ENGINE).................................................................. 7-20
THERMOSWITCH (EXHAUST) .............................................................. 7-21
MAIN AND FUEL PUMP RELAY............................................................. 7-22
ELECTRONIC CONTROL THROTTLE VALVE RELAY ......................... 7-23
THROTTLE POSITION SENSOR ........................................................... 7-24
ACCELERATOR POSITION SENSOR ................................................... 7-26
CAM POSITION SENSOR ...................................................................... 7-29
SLANT DETECTION SWITCH ................................................................ 7-30
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E
–+ELEC
FUEL CONTROL SYSTEM ........................................................................... 7-31
WIRING DIAGRAM ................................................................................. 7-31
ELECTRIC FUEL PUMP ......................................................................... 7-33
FUEL SENDER ....................................................................................... 7-33
FUEL INJECTOR .................................................................................... 7-34
MAIN AND FUEL PUMP RELAY............................................................. 7-34
OIL PRESSURE SWITCH ....................................................................... 7-34
THERMOSWITCH (ENGINE).................................................................. 7-34
THERMOSWITCH (EXHAUST) .............................................................. 7-34
SLANT DETECTION SWITCH ................................................................ 7-34
REMOTE CONTROL UNIT (DELUXE MODEL ONLY) ........................... 7-34
THROTTLE POSITION SENSOR ........................................................... 7-34
ACCELERATOR POSITION SENSOR ................................................... 7-34
STARTING SYSTEM ..................................................................................... 7-35
WIRING DIAGRAM ................................................................................. 7-35
BATTERY ................................................................................................ 7-37
WIRING CONNECTIONS........................................................................ 7-37
FUSES..................................................................................................... 7-37
START SWITCH...................................................................................... 7-37
STARTER RELAY ................................................................................... 7-38
REMOTE CONTROL UNIT (DELUXE MODEL ONLY) ........................... 7-38
THROTTLE POSITION SENSOR ........................................................... 7-38
ACCELERATOR POSITION SENSOR ................................................... 7-38
STARTER MOTOR ........................................................................................ 7-39
EXPLODED DIAGRAM ........................................................................... 7-39
REMOVAL AND INSTALLATION CHART ............................................. 7-39
SERVICE POINTS .................................................................................. 7-41
Armature inspection .......................................................................... 7-41
Brush holder inspection..................................................................... 7-42
Starter motor front cover inspection .................................................. 7-42
CHARGING SYSTEM .................................................................................... 7-43
WIRING DIAGRAM ................................................................................. 7-43
FUSE ....................................................................................................... 7-44
BATTERY ................................................................................................ 7-44
LIGHTING COIL ...................................................................................... 7-44
RECTIFIER/REGULATOR ...................................................................... 7-44
OFF THROTTLE STEERING SYSTEM......................................................... 7-45
WIRING DIAGRAM ................................................................................. 7-45
STEERING SENSOR .............................................................................. 7-47
ECM......................................................................................................... 7-47
PICKUP COIL .......................................................................................... 7-47
THROTTLE POSITION SENSOR ........................................................... 7-47
ACCELERATOR POSITION SENSOR ................................................... 7-47
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E
–+ELEC
INDICATION SYSTEM .................................................................................. 7-48
WIRING DIAGRAM ................................................................................. 7-48
FUSE ....................................................................................................... 7-50
BATTERY ................................................................................................ 7-50
MAIN AND FUEL PUMP RELAY............................................................. 7-50
ECM......................................................................................................... 7-50
ENGINE TEMPERATURE SENSOR ...................................................... 7-50
THERMOSWITCH (ENGINE).................................................................. 7-50
THERMOSWITCH (EXHAUST) .............................................................. 7-50
REMOTE CONTROL UNIT (DELUXE MODEL ONLY) ........................... 7-50
BUZZER .................................................................................................. 7-50
OIL PRESSURE SWITCH ....................................................................... 7-51
MULTIFUNCTION METER...................................................................... 7-51
Multifunction meter ............................................................................ 7-51
MULTIFUNCTION METER REMOVAL ................................................... 7-51
Display function (Sport model only) .................................................. 7-52
Display function (Deluxe model only) ................................................ 7-53
Speedometer display ........................................................................ 7-54
Tachometer display ........................................................................... 7-55
Hour meter display ............................................................................ 7-55
Voltage meter display........................................................................ 7-55
Low oil pressure warning indicator .................................................... 7-55
Fuel level meter display and fuel warning indicator .......................... 7-55
Overheat warning indicator ............................................................... 7-56
Check engine warning indicator ........................................................ 7-56
Diagnostic display ............................................................................. 7-57
REMOTE CONTROL SYSTEM (DELUXE MODEL ONLY) .......................... 7-58
WIRING DIAGRAM ................................................................................. 7-58
REMOTE CONTROL SYSTEM ............................................................... 7-59
Yamaha Security System indicator ................................................... 7-59
Low-rpm mode indicator.................................................................... 7-59
Checking the remote control transmitter ........................................... 7-60
Transmitter registration ..................................................................... 7-62
Replacing of the transmitter battery .................................................. 7-63
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7-1
E
–+ELECELECTRICAL COMPONENTS
ELECTRICAL COMPONENTS
O
N
M
L
K
J
I
H
G
F
E
D
C
B
A
0
91
2
3
4
5
6
7
8
1Thermoswitch (engine)
2Fuse box
3Slant detection switch
4Starter motor
5Engine temperature sensor
6Spark plugs and ignition coils
7Cam position sensor
8Battery
9Speed sensor
0Sensor assembly (intake air
pressure and intake air tem-
perature)AOil pressure switch
BFuel injectors
CThermoswitch (exhaust)
DRectifier/regulator
EECM
FThrottle body assembly
GLighting coil and pickup coil
HEngine stop switch, engine
shut-off switch, and start
switch
ISteering sensor
JBuzzerKAccelerator position sensor
LElectric fuel pump
MFuel sender
NMultifunction meter
ORemote control unit (Deluxe
model only)
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