YAMAHA VX110 2005 Service Manual

7-34
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–+ELECFUEL CONTROL SYSTEM
FUEL INJECTOR
Refer to “FUEL INJECTION SYSTEM”
in Chapter 4.
MAIN AND FUEL PUMP RELAY
Refer to “IGNITION SYSTEM”.
OIL PRESSURE SWITCH
Refer to “INDICATION SYSTEM”.
THERMOSWITCH (ENGINE)
Refer to “IGNITION SYSTEM”.
THERMOSWITCH (EXHAUST)
Refer to “IGNITION SYSTEM”.
SLANT DETECTION SWITCH
Refer to “IGNITION SYSTEM”.
REMOTE CONTROL UNIT
(DELUXE MODEL ONLY)
Refer to “REMOTE CONTROL SYS-
TEM (DELUXE MODEL ONLY)”.
THROTTLE POSITION SENSOR
Refer to “IGNITION SYSTEM”.
ACCELERATOR POSITION SENSOR
Refer to “IGNITION SYSTEM”.
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7-35
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–+ELECSTARTING SYSTEM
STARTING SYSTEM
WIRING DIAGRAM
WBrBRFREE
PUSHBWFREE
PUSH
Br BrFREE
PUSH
BW
W
BrBrBrBrR
RB/O
10A
10A
3A
30A20A
RR
B
BBR
BBr
BBr
B
B/W
B/O
B/O
B/R
P/R
P/R
P/W
P/W
B/O
B/WB/R
B/O
P/RP/W
W
W
WL
RY
G
O
W
O
OLG
W
Y
W
G/O
R/YY/G
BOL
BW
R/Y
Y/WL/R
B
B
G/OB/OG/OR/YB/O
R/Y
R/Y
R/Y
Y/W
Y/GL/R
Y
O
O
R
RL
R
B
BLBL
Y BrL R B
Br W
09
B
C DEF G
5 4
6
78 3 I
HJ1
2
A
1Battery
2Starter motor
3Fuse (30 A)
4Fuse (20 A)
5Fuse (3 A)
6Fuse (10 A)
7Fuse (10 A)
8Starter relay
9Main and fuel pump relay0Electronic control throttle valve
relay
ACam position sensor
BRemote control unit
CAntenna
DECM
EThrottle body assembly
FAccelerator position sensor
GElectric fuel pumpHStart switch
IEngine stop switch
JEngine shut-off switch
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7-36
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–+ELEC
WIRING DIAGRAM
WBrBRFREE
PUSHBWFREE
PUSH
Br BrFREE
PUSH
BW
W
BrBrBrBrR
RB/O
10A
10A
3A
30A20A
RR
B
BBR
BBr
BBr
B
B/W
B/O
B/O
B/R
P/R
P/R
P/W
P/W
B/O
B/WB/R
B/O
P/RP/W
W
W
WL
RY
G
O
W
O
OLG
W
Y
W
G/O
R/YY/G
BOL
BW
R/Y
Y/WL/R
B
B
G/OB/OG/OR/YB/O
R/Y
R/Y
R/Y
Y/W
Y/GL/R
Y
O
O
R
RL
R
B
BLBL
Y BrL R B
Br W
09
B
C DEF G
5 4
6
78 3 I
HJ1
2
A
B: Black
Br : Brown
G: Green
L: Blue
O : Orange
R: Red
W: White
Y : Yellow
B/O : Black/orangeB/R : Black/red
B/W : Black/white
G/O : Green/orange
L/R : Blue/red
P/R : Pink/red
P/W : Pink/white
R/Y : Red/yellow
Y/G : Yellow/green
Y/W : Yellow/white
STARTING SYSTEM
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7-37
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–+ELECSTARTING SYSTEM
BATTERY
Refer to “ELECTRICAL” in Chapter 3.
WIRING CONNECTIONS
1. Check:
Wiring connections
Poor connections →
Properly connect.
FUSES
1. Check:
Fuses
Broken →
Replace.
NOTE:
The 3 A fuse is for the remote control unit
(Deluxe model only).
The 10 A fuse is for the main and fuel pump
relay and the electronic control throttle valve
relay.
The 20 A fuse is for main and fuel pump relay.
The 30 A fuse is for the main relay.
Fuse ratings:
3 A, 10 A, 20 A, 30 A
START SWITCH
1. Check:
Continuity
Out of specification →
Replace.
Start switch continuity
(natural color coupler)
Clip PositionLeads
Red Brown
Installed Free
Push
Removed Free
Push
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7-38
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–+ELECSTARTING SYSTEM
STARTER RELAY
1. Inspect:
Brown lead terminal
Black lead terminal
Loose →
Tighten.
2. Check:
Starter relay
Faulty →
Replace.
Checking steps:
Connect the tester leads between the
starter relay terminals as shown.
Connect the brown lead terminal to the
positive battery terminal.
Connect the black lead terminal to the
negative battery terminal.
Check that there is continuity between
the starter relay terminals.
Check that there is no continuity after the
brown or black lead is removed.
Br
B
REMOTE CONTROL UNIT
(DELUXE MODEL ONLY)
Refer to “REMOTE CONTROL SYS-
TEM (DELUXE MODEL ONLY)”.
THROTTLE POSITION SENSOR
Refer to “IGNITION SYSTEM”.
ACCELERATOR POSITION SENSOR
Refer to “IGNITION SYSTEM”.
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7-39
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–+ELECSTARTER MOTOR
STARTER MOTOR
EXPLODED DIAGRAM
REMOVAL AND INSTALLATION CHART
Step Procedure/Part name Q’ty Service points
STARTER MOTOR
DISASSEMBLYFollow the left “Step” for disassembly.
Starter motor Refer to “GENERATOR AND STARTER
MOTOR” in Chapter 5.
1 O-ring 1
2Bolt 2
3 Starter motor front cover assembly 1
4 O-ring 2
5 Washer set 1
6 Armature assembly 1
AA
5 × 114 mm
6.4 N  m (0.64 kgf  m, 4.6 ft  Ib)5
72
9
44 6
5
3
1
8
8.8 N  m (0.88 kgf  m, 6.4 ft  Ib)
Not reusable
Not reusable
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7-40
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–+ELECSTARTER MOTOR
EXPLODED DIAGRAM
Step Procedure/Part name Q’ty Service points
7 Starter motor rear cover 1
8 Brush holder assembly 1
9 Starter motor yoke 1
Reverse the disassembly steps for
assembly.
AA
5 × 114 mm
6.4 N  m (0.64 kgf  m, 4.6 ft  Ib)5
72
9
44 6
5
3
1
8
8.8 N  m (0.88 kgf  m, 6.4 ft  Ib)
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7-41
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–+ELECSTARTER MOTOR
SERVICE POINTS
Armature inspection
1. Inspect:
Armature shaft 1
Damage/wear → Replace.
1
2. Inspect:
Commutator
Dirt → Clean with 600-grit sandpaper.
3. Measure:
Commutator diameter
Below specification → Replace.
Commutator diameter:
28.0 mm (1.10 in)
Limit:
27.0 mm (1.06 in)
4. Check:
Commutator undercut
Contaminants → Clean.
NOTE:
Remove all mica and metal particles with com-
pressed air.
5. Measure:
Commutator undercut
Below specification → Replace.
Commutator undercut:
0.7 mm (0.03 in)
Limit:
0.2 mm (0.01 in)
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7-42
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–+ELECSTARTER MOTOR
6. Inspect:
Armature coil continuity
Out of specification → Replace.
Armature coil continuity:
Commutator segments 1 Continuity
Segment - Laminations 2 No continuity
Segment - Armature shaft No continuity
Brush holder inspection
1. Measure:
Brush length a
Below specification → Replace.
Brush length:
12.5 mm (0.49 in)
Wear limit:
6.5 mm (0.26 in)
2. Check:
Brush holder continuity
Out of specification → Replace.
Brush holder continuity:
Brush holder - Base No continuity
Starter motor front cover inspection
1. Inspect:
Starter motor front cover oil seal
Damage/wear → Replace the starter
motor front cover.
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7-43
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–+ELECCHARGING SYSTEM
CHARGING SYSTEM
WIRING DIAGRAM
10A
10A
3A
30A20A
RR
BBRGGGGGG
RGGGB
R
B
4 5
32 1
1Battery
2Fuse (30 A)
3Fuse (20 A)
4Rectifier/regulator
5Lighting coilB: Black
G : Green
R: Red
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