2005 YAMAHA VX110 Service Manual

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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4-5
EFUELFUEL TANK AND FUEL PUMP MODULE
Fuel sender inspection
Refer to “FUEL CONTROL SYSTEM” in
Chapter 7.
Fuel tank inspection
1. Inspect:
Fuel tank
Cracks/damage →
Replace.
Fuel hose inspection
Refer to “FUEL INJECTION SYSTEM”.
Fuel pump filter inspection
1. Inspect:
Fuel pump filter 1

Clog/contaminants →
Wash the fuel
pump filter in kerosene or gasoline.
1
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4-6
EFUEL
Fuel pump module installation
1. Tighten:
Nuts
NOTE:
Tighten the nuts in the sequence shown.
Fuel hose connect
Refer to “FUEL INJECTION SYSTEM”.
T R..
Fuel pump module nut:
1st:
3.2 N  m
(0.32 kgf  m, 2.3 ft  lb)
2nd:
6.4 N  m
(0.64 kgf  m, 4.6 ft  lb)238
7
5
1 872
3
5
9
4 6
1 6 4
FUEL TANK AND FUEL PUMP MODULE
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4-7
EFUELFUEL INJECTION SYSTEM
FUEL INJECTION SYSTEM
EXPLODED DIAGRAM
REMOVAL AND INSTALLATION CHART
Step Procedure/Part name Q’ty Service points
FUEL INJECTION SYSTEM
REMOVALFollow the left “Step” for removal.
1 Cam position sensor coupler 1
2 Fuel injector coupler 4
3 Sensor assembly coupler 1
4 Thermoswitch coupler (exhaust) 1
5 Oil pressure switch coupler 1
6 Ground lead coupler 2
7 Joint connector 4 From fuel rail
8 Throttle body assembly coupler 1
9 Cover 1
17 N  m (1.7 kgf  m, 12 ft  Ib)
5 × 75 mm
1.2 N  m (0.12 kgf  m, 0.9 ft  Ib)
5 × 25 mm
1.5 N  m (0.15 kgf  m, 1.1 ft  Ib)
8 × 35 mm
17 N  m (1.7 kgf  m, 12 ft  Ib)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 × 30 mm
2nd 39 N  m (3.9 kgf  m, 28 ft  Ib) 1st 15 N  m (1.5 kgf  m, 11 ft  Ib)
8 × 20 mm
LT
242
LT
242
LT
271
LT
572
LT
LT
572
LT
22 2320 19
2118 15 1316
14 1712
17
3
2
2
25
4
6
24
24
25 8
26
27
28
29
11 10
9
2.5 N  m (0.25 kgf  m, 1.8 ft  Ib)
6.5 N  m (0.65 kgf  m, 4.7 ft  Ib)
15 N  m (1.5 kgf  m, 11 ft  Ib)
3031
30
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4-8
EFUELFUEL INJECTION SYSTEM
EXPLODED DIAGRAM
Step Procedure/Part name Q’ty Service points
10 Fuel hose 1
11 Clamp 2
12 Hose screw clamp 1
13 Screw 2
14 Screw 4
15 Air filter case cover 1
16 Air intake duct 1
17 Air intake hose 1
18 Gasket 1
19 Air filter element 1
20 Bolt 4
17 N  m (1.7 kgf  m, 12 ft  Ib)
5 × 75 mm
1.2 N  m (0.12 kgf  m, 0.9 ft  Ib)
5 × 25 mm
1.5 N  m (0.15 kgf  m, 1.1 ft  Ib)
8 × 35 mm
17 N  m (1.7 kgf  m, 12 ft  Ib)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 × 30 mm
2nd 39 N  m (3.9 kgf  m, 28 ft  Ib) 1st 15 N  m (1.5 kgf  m, 11 ft  Ib)
8 × 20 mm
LT
242
LT
242
LT
271
LT
572
LT
LT
572
LT
22 2320 19
2118 15 1316
14 1712
17
3
2
2
25
4
6
24
24
25 8
26
27
28
29
11 10
9
2.5 N  m (0.25 kgf  m, 1.8 ft  Ib)
6.5 N  m (0.65 kgf  m, 4.7 ft  Ib)
15 N  m (1.5 kgf  m, 11 ft  Ib)
3031
30
Not reusable
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4-9
EFUELFUEL INJECTION SYSTEM
EXPLODED DIAGRAM
Step Procedure/Part name Q’ty Service points
21 Air filter case 1
22 Collar 4
23 Grommet 4
24 Bolt 2
25 Intake assembly 1
26 Bolt 2
27 Throttle cable 1
28 Nut 2
29 Accelerator position sensor 1
30 Nut 4
31 Bracket 2
Reverse the removal steps for installation.
17 N  m (1.7 kgf  m, 12 ft  Ib)
5 × 75 mm
1.2 N  m (0.12 kgf  m, 0.9 ft  Ib)
5 × 25 mm
1.5 N  m (0.15 kgf  m, 1.1 ft  Ib)
8 × 35 mm
17 N  m (1.7 kgf  m, 12 ft  Ib)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 × 30 mm
2nd 39 N  m (3.9 kgf  m, 28 ft  Ib) 1st 15 N  m (1.5 kgf  m, 11 ft  Ib)
8 × 20 mm
LT
242
LT
242
LT
271
LT
572
LT
LT
572
LT
22 2320 19
2118 15 1316
14 1712
17
3
2
2
25
4
6
24
24
25 8
26
27
28
29
11 10
9
2.5 N  m (0.25 kgf  m, 1.8 ft  Ib)
6.5 N  m (0.65 kgf  m, 4.7 ft  Ib)
15 N  m (1.5 kgf  m, 11 ft  Ib)
3031
30
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4-10
EFUEL
THROTTLE BODY ASSEMBLY AND INTAKE
MANIFOLD
THROTTLE BODY ASSEMBLY AND INTAKE MANIFOLD
EXPLODED DIAGRAM
REMOVAL AND INSTALLATION CHART
Step Procedure/Part name Q’ty Service points
THROTTLE BODY ASSEMBLY
AND INTAKE MANIFOLD
DISASSEMBLYFollow the left “Step” for disassembly.
1Bolt 4
2 Washer 4
3 Throttle body assembly 1
4Gasket 1
5 Intake manifold 1
6Bolt 2
7 Fuel rail 1
8 × 17 mm
13 N  m (1.3 kgf  m, 9.4 ft  Ib)5 × 15 mm
3.5 N  m (0.35 kgf  m, 2.5 ft  Ib)
8 × 65 mm
13 N  m (1.3 kgf  m, 9.4 ft  Ib)123 4 14151689 107661111
12
13
5
Not reusable
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4-11
EFUEL
THROTTLE BODY ASSEMBLY AND INTAKE
MANIFOLD
EXPLODED DIAGRAM
Step Procedure/Part name Q’ty Service points
8Gasket 4
9 Fuel injector 4
10 O-ring 4
11 Screw 2
12 Sensor assembly 1
13 O-ring 1
14 Clamp 4
15 Clamp 4
16 Intake manifold joint 4
Reverse the disassembly steps for
assembly.
8 × 17 mm
13 N  m (1.3 kgf  m, 9.4 ft  Ib)5 × 15 mm
3.5 N  m (0.35 kgf  m, 2.5 ft  Ib)
8 × 65 mm
13 N  m (1.3 kgf  m, 9.4 ft  Ib)123 4 14151689 107661111
12
13
5
Not reusable
Not reusable
Not reusable
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