Yamaha Waverunner 3 Manual

6-20
E
JET
PUMPTRANSOM PLATE AND HOSES
EXPLODED DIAGRAM
Step Procedure/Part name Q’ty Service points
6 Hose clamp 2
7 Cooling water hose 1 Cooling water outlet (thermostat)
8 Bilge hose 2 1
9 Hose clamp 1
10 Bilge hose 3 1
11 Band 1
12 Electric bilge pump assembly 1
13 Hose clamp 1
14 Bilge hose 4 1
15 Screw 1 

6-21
E
JET
PUMPTRANSOM PLATE AND HOSES
EXPLODED DIAGRAM
Step Procedure/Part name Q’ty Service points
16 Bilge strainer holder 1
17 Bilge strainer 1
18 Nut/washer 4/4
19 Transom plate 1
20 Bilge hose 5 1
Reverse the removal steps for installation. 

6-22
E
JET
PUMPTRANSOM PLATE AND HOSES
SERVICE POINTS
Bilge strainer inspection
Refer to “JET PUMP UNIT” in 
Chapter 3.
Electric bilge pump inspection
Refer to “BILGE PUMP” in Chapter 3.
Refer to “ELECTRIC BILGE PUMP” in 
Chapter 7.
Bilge hose inspection
1. Inspect:
Bilge hoses
Cracks/damage/wear →
 Replace.
Cooling water hose inspection
1. Inspect:
Cooling water hoses
Cracks/damage/wear →
 Replace. 

6-23
E
JET
PUMPBEARING HOUSING
BEARING HOUSING
EXPLODED DIAGRAM
REMOVAL AND INSTALLATION CHART
*: As requiredStep Procedure/Part name Q’ty Service points
BEARING HOUSING REMOVAL
Follow the left “Step” for removal.
Engine unit Refer to “ENGINE UNIT” in Chapter 5.
1 Rubber coupling 1
2Bolt 3
3 Intermediate housing assembly 1
4Pin 2
5Shim *
NOTE:
Install the shims in their original locations.
Reverse the removal steps for installation. 

6-24
E
JET
PUMPBEARING HOUSING
EXPLODED DIAGRAM
REMOVAL AND INSTALLATION CHART
Step Procedure/Part name Q’ty Service points
BEARING HOUSING 
DISASSEMBLYFollow the left “Step” for disassembly.
1 Grease hose 1
2 Nipple 1
3 Driven coupling 1
4 Washer 1
5 Intermediate drive shaft 1
6 O-ring 2 

6-25
E
JET
PUMPBEARING HOUSING
EXPLODED DIAGRAM
Step Procedure/Part name Q’ty Service points
7 Oil seal 1
8 Oil seal 1
9 Oil seal 1
10 Circlip 1
11 Bearing 1
12 Circlip 1
Reverse the disassembly steps for 
assembly.
Not reusable
Not reusable
Not reusable
Not reusable 

6-26
E
JET
PUMPBEARING HOUSING
SERVICE POINTS
Driven coupling removal and installation
1. Remove and install:
Driven coupling 
NOTE:
Install the driven coupling with the same spe-
cial tools that were used for removal.
Check that the shaft holder and intermediate
drive shaft are properly engaged.
Coupler wrench:
YW-06551/90890-06551
Shaft holder:
YB-06552/90890-06552
Intermediate drive shaft removal
1. Remove:
Intermediate drive shaft
NOTE:
Support the intermediate housing with steel
blocks 1
 and...

6-27
E
JET
PUMPBEARING HOUSING
Bearing removal
1. Remove:
Bearing 
NOTE:
Install the bearing with the same special
tools that were used for removal.
Support the intermediate housing with steel
blocks 1
 and press the bearing.
Driver rod:
YB-06071/90890-06606
Bearing outer race attachment:
YB-06156/90890-06626
Bearing, intermediate drive shaft, and 
grease hose inspection
1. Inspect:
Bearing
Rotate the inner race by hand.
Damage/rough movement →
 Replace.
Intermediate drive shaft
Damage/pitting →...

6-28
E
JET
PUMPBEARING HOUSING
Bearing installation
1. Install:
Circlip (rear)
2. Install:
Bearing
NOTE:
Support the intermediate housing with steel
blocks 1
 and press the bearing.
Driver rod:
YB-06071/90890-06606
Bearing outer race attachment:
YB-06156/90890-06626
Oil seal installation
1. Install:
Oil seal
NOTE:
Before installing the oil seal, lubricate the clip
glove with water resistant grease.
2. Install:
Intermediate drive shaft 
NOTE:
Support the intermediate housing with steel
blocks 1
 and...

6-29
E
JET
PUMPBEARING HOUSING
3. Install:
Oil seal 1
 [8 mm (0.31 in)]
Oil seal 2
 [11 mm (0.43 in)]
Distance 
a:
10.3–10.7 mm (0.41–0.42 in)
Distance 
b:
0.6–1.0 mm (0.02–0.04 in)
b
a
2
1
Intermediate housing installation
1. Install:
Intermediate housing
Shim
NOTE:
Install the shim(s) to the original position if the
intermediate housing is not replaced.Installation steps:
Install the intermediate housing.
Measure the clearance a
 at each bolt
hole.
Install the suitable shim from the table...