2005 YAMAHA VX110 Service Manual

5-22
EPOWROIL PUMP
EXPLODED DIAGRAM
Step Procedure/Part name Q’ty Service points
8Bolt 2
9 Strainer 1
Reverse the removal steps for installation.
2nd 28 N  m (2.8 kgf  m, 20 ft  Ib) 1st 15 N  m (1.5 kgf  m, 11 ft  Ib)
8 × 112 mm
6 × 25 mm
10 N  m (1.0 kgf  m, 7.2 ft  Ib)
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)
6 × 16 mm
LT
572
LT
LT
572
LT
13 N  m (1.3 kgf  m, 9.4 ft  Ib)
8 × 12 mm
LT
572
LT
1
5
7 73
4
2
6
8
8
9
2nd 28 N  m (2.8 kgf  m, 20 ft  Ib) 1st 15 N  m (1.5 kgf  m, 11 ft  Ib)
8 × 95 mm
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5-23
EPOWROIL PUMP
SERVICE POINTS
Oil strainer inspection
1. Check:
Oil strainer 1

Damage →
Replace.
Contaminants →
Clean.1
Oil pump installation
1. Install:
Oil pump assembly
NOTE:
Align the projection a on the oil pump shaft
with the slit b on the oil pump driven gear
shaft.
T R..
Oil pump assembly bolt:
M6:
10 N  m (1.0 kgf  m, 7.2 ft  lb)
LOCTITE 572
M8:
1st:
15 N  m
(1.5 kgf  m, 11 ft  lb)
2nd:
28 N  m
(2.8 kgf  m, 20 ft  lb)
LOCTITE 572
ab
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5-24
EPOWRREDUCTION DRIVE GEAR
REDUCTION DRIVE GEAR
EXPLODED DIAGRAM
REMOVAL AND INSTALLATION CHART
Step Procedure/Part name Q’ty Service points
REDUCTION DRIVE GEAR
REMOVALFollow the left “Step” for removal.
Generator cover Refer to “GENERATOR AND STARTER
MOTOR”.
Oil pump Refer to “OIL PUMP”.
1Bolt 1
2Bolt 1
3Bolt 1
4Bolt 3
5Bolt 1
8
8 9
11
10
11
9 7
3
2
4
12546
E
LT
572
LT
LT
572
LT
LT
572
LT
LT
572
LT
LT
572
LT
6 × 55 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)
28 N 
m (2.8 kgf  m, 20 ft  Ib)
6 × 35 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)
8 × 40 mm
2nd 28 N  m (2.8 kgf
 m, 20 ft
 Ib) 1st 15 N  m (1.5 kgf
 m, 11 ft
 Ib)
8 × 70 mm
2nd 28 N  m (2.8 kgf
 m, 20 ft
 Ib) 1st 15 N  m (1.5 kgf
 m, 11 ft
 Ib)
1
8 × 100 mm
2nd 28 N  m (2.8 kgf
 m, 20 ft
 Ib) 1st 15 N  m (1.5 kgf
 m, 11 ft
 Ib)
MM
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5-25
EPOWRREDUCTION DRIVE GEAR
EXPLODED DIAGRAM
Step Procedure/Part name Q’ty Service points
6 Reduction drive gear case
assembly1
7Gasket 1
8Pin 2
9 Circlip 2
10 Reduction drive gear 1
11 Washer 2
12 Drive coupling 1
Reverse the removal steps for installation.
8
8 9
11
10
11
9 7
3
2
4
12546
E
LT
572
LT
LT
572
LT
LT
572
LT
LT
572
LT
LT
572
LT
6 × 55 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)
28 N 
m (2.8 kgf  m, 20 ft  Ib)
6 × 35 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)
8 × 40 mm
2nd 28 N  m (2.8 kgf
 m, 20 ft
 Ib) 1st 15 N  m (1.5 kgf
 m, 11 ft
 Ib)
8 × 70 mm
2nd 28 N  m (2.8 kgf
 m, 20 ft
 Ib) 1st 15 N  m (1.5 kgf
 m, 11 ft
 Ib)
1
8 × 100 mm
2nd 28 N  m (2.8 kgf
 m, 20 ft
 Ib) 1st 15 N  m (1.5 kgf
 m, 11 ft
 Ib)
MM
Not reusable
Not reusable
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5-26
EPOWRREDUCTION DRIVE GEAR
EXPLODED DIAGRAM
REMOVAL AND INSTALLATION CHART
*1: EPNOC grease AP #0 Step Procedure/Part name Q’ty Service points
REDUCTION DRIVE GEAR
DISASSEMBLYFollow the left “Step” for disassembly.
1 Oil pump drive shaft 1
2 Drive shaft 1
3 Collar 1
4 Oil seal 2
5 Circlip 1
6 Bearing 1
7 Collar 1
8 Bearing 1
E
E
E
E
3
4
8
6
5
10
9
1
*1
AA
*1
E
2
11
7
*1
Not reusable
Not reusable
Not reusable
Not reusable
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5-27
EPOWRREDUCTION DRIVE GEAR
EXPLODED DIAGRAM
*1: EPNOC grease AP #0 Step Procedure/Part name Q’ty Service points
9 Circlip 1
10 Bearing 1
11 Reduction drive gear case 1
Reverse the disassembly steps for
assembly.
E
E
E
E
3
4
8
6
5
10
9
1
*1
AA
*1
E
2
11
7
*1
Not reusable
Not reusable
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5-28
EPOWRREDUCTION DRIVE GEAR
SERVICE POINTS
Drive coupling removal
1. Remove:
Reduction drive gear housing
2. Remove:
Drive coupling 1

NOTE:
While holding the drive shaft 2
with the rotor
holder 3
, loosen the drive coupling with the
coupler wrench 4
.
Coupler wrench:
YW-06551/90890-06551
Universal magneto and rotor
holder:
YU-01235
Rotor holder:
90890-01235
1
4
23
Drive shaft removal
1. Remove:
Drive shaft
NOTE:
Press in the direction of the arrow.
Bearing removal
1. Remove:
Circlip
Rear bearing
Collar
Front bearing
NOTE:
Remove the front bearing, spacer, and rear
bearing using a press.
ÈFor USA and Canada
ÉFor worldwide
Driver handle—large:
YB-06071
Driver rod L3:
90890-06652
Bearing housing needle bearing
installer:
YB-06111
Needle bearing attachment:
90890-06653
È
É
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5-29
EPOWRREDUCTION DRIVE GEAR
2. Remove:
Circlip
Reduction drive gear bearing
ÈFor USA and Canada
ÉFor worldwide
Slide hammer and adapters:
YB-06096
Stopper guide plate:
90890-06501
Bearing puller assembly:
90890-06535
Stopper guide stand:
90890-06538
È
É
Oil pump drive shaft inspection
1. Check:
Oil pump drive shaft 1

Cracks/damage/wear →
Replace.
1
Drive shaft inspection
1. Check:
Drive shaft 1

Cracks/damage/wear →
Replace.
1
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