2005 YAMAHA VX110 fuel tank removal

EFUEL
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4
5
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8
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CHAPTER 4
FUEL SYSTEM
FUEL TANK AND FUEL PUMP MODULE...................................................... 4-1
EXPLODED DIAGRAM ............................................................................. 4-1
REMOVAL AND INSTALLATION CHART ................................................ 4-1
SERVICE POINTS .................................................................................... 4-4
Fuel hose disconnection ..................................................................... 4-4
Fuel pump module removal................................................................. 4-4
Check valve inspection ....................................................................... 4-4
Fuel sender inspection ........................................................................ 4-5
Fuel tank inspection ............................................................................ 4-5
Fuel hose inspection ........................................................................... 4-5
Fuel pump filter inspection .................................................................. 4-5
Fuel pump module installation ............................................................ 4-6
Fuel hose connect ............................................................................... 4-6
FUEL INJECTION SYSTEM ............................................................................ 4-7
EXPLODED DIAGRAM ............................................................................. 4-7
REMOVAL AND INSTALLATION CHART ................................................ 4-7
THROTTLE BODY ASSEMBLY AND INTAKE MANIFOLD ........................ 4-10
EXPLODED DIAGRAM ........................................................................... 4-10
REMOVAL AND INSTALLATION CHART .............................................. 4-10
SERVICE POINTS .................................................................................. 4-12
Fuel hose clamps removal ................................................................ 4-12
Hose clamps installation ................................................................... 4-12
Fuel hose disconnection ................................................................... 4-12
Fuel line inspection ........................................................................... 4-13
Fuel hose installation (replacing with new fuel hose) ........................ 4-14
Fuel hose connection ........................................................................ 4-14
Fuel injectors inspection.................................................................... 4-15
Throttle body assembly inspection .................................................... 4-15
Accelerator position sensor inspection.............................................. 4-15
Intake assembly installation .............................................................. 4-16
Air filter case assembly installation ................................................... 4-17
Fuel pressure measurement ............................................................. 4-17
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4-1
EFUELFUEL TANK AND FUEL PUMP MODULE
FUEL TANK AND FUEL PUMP MODULE
EXPLODED DIAGRAM
REMOVAL AND INSTALLATION CHART
Step Procedure/Part name Q’ty Service points
FUEL TANK REMOVAL
Follow the left “Step” for removal.
Storage compartment panel Refer to “FRONT HOOD” in Chapter 8.
Ventilation hose From ventilation fitting
Engine unit Refer to “ENGINE UNIT” in Chapter 5.
NOTE:
When removing the pump module only, it is
not necessary to remove the engine unit.
1 Fuel tank breather hose 1
2 Check valve 1
NOTE:
Make sure the arrow direction pointed
toward fuel tank.
7
10
11 3
2
1
18
17121315
16
14
12 6 5
4 8
9
2nd 6.4 N • m (0.64 kgf  m, 4.6 ft  Ib) 1st 3.2 N  m (0.32 kgf  m, 2.3 ft  Ib)
3.7 N  m (0.37 kgf  m, 2.7 ft  Ib)
5.9 N  m (0.59 kgf  m, 4.3 ft  Ib)
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4-3
EFUELFUEL TANK AND FUEL PUMP MODULE
EXPLODED DIAGRAM
Step Procedure/Part name Q’ty Service points
12 Hose clamp 2
13 Fuel filler hose 1
14 Nut 1
15 Fuel filler neck 1
16 Rubber seal 1
17 Fuel tank belt 2
18 Fuel tank assembly 1
Reverse the removal steps for installation.
7
10
11 3
2
1
18
17121315
16
14
12 6 5
4 8
9
2nd 6.4 N  m (0.64 kgf  m, 4.6 ft  Ib) 1st 3.2 N  m (0.32 kgf  m, 2.3 ft  Ib)
3.7 N  m (0.37 kgf  m, 2.7 ft  Ib)
5.9 N  m (0.59 kgf  m, 4.3 ft  Ib)
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4-4
EFUELFUEL TANK AND FUEL PUMP MODULE
SERVICE POINTS
Fuel hose disconnection
1. Disconnect:
Fuel hose
Refer to “FUEL INJECTION SYSTEM”.
Fuel pump module removal
1. Remove:
Nuts
Retainer
NOTE:
Loosen the nuts in the sequence shown.
238
7
5
1 238
7
5
1
4 4
9 6 6
2. Remove:
Fuel pump module 1

NOTE:
Remove the float 2
at an angle because it
could catch on the fuel tank.
12
Check valve inspection
1. Check:
Check valve
Faulty →
Replace.
Checking steps:
Connect a hose to the end of check valve
“A” and blow into it.
Air should come out from end “B”.
Connect the hose to the end of check
valve “B” and blow into it.
Air should come out from end “A”.
A A
B B
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4-12
EFUEL
THROTTLE BODY ASSEMBLY AND INTAKE
MANIFOLD
SERVICE POINTS
Fuel hose clamps removal
1. Remove:
Fuel hose clamps
CAUTION:
If the fuel hose clamps are removed with-
out cutting the joint first, the fuel hose will
be damaged.
Hose clamps installation
1. Install:
Fuel hose clamps
WARNING
Do not reuse the fuel hose clamps, always
replace them with new ones.
NOTE:
Crimp the fuel hose clamps properly to
securely fasten them.
Fuel hose disconnection
WARNING
Before disconnecting the hose, remove the
fuel tank filler cap to reduce any pressure
inside the fuel tank, and then disconnect
the battery negative lead to cut off the elec-
tric current to the electrical systems.
1. Wrap the quick connector with a cloth, and
then rotate the quick connector tab 1
to
the stopper position a
.
WARNING
If the quick connector is removed sud-
denly, pressurized fuel could spray out. To
gradually release the fuel pressure, be sure
to remove the quick connector slowly.
1
a
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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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