Removal And Installation Chart; Service Points; Water Pump Housing Inspection; Impeller And Insert Cartridge Inspection - Yamaha 40V Service Manual

LOWR

REMOVAL AND INSTALLATION CHART

Step Procedure/Part name
WATER PUMP REMOVAL
Lower unit ass'y
1 Bolt
2 Washer
3 Water pump housing
4 O-ring
5 Insert cartridge
6 Impeller
7 Woodruff key
8 Cartridge plate
9 Plate gasket
10 Pin
11 Water seal cover
12 Water seal rubber
WATER PUMP
Q'ty
Follow the left "Step" for removal.
Refer to "LOWER UNIT REMOVAL".
8 × 30 mm
4
4
1
NOTE:
When installing the water pump housing,
align the hole in it with the projection in
the insert cartridge.
1
1
NOTE:
When installing the cartridge, turn the
drive shaft clockwise.
1
1
1
1
2
1
1
Reverse the removal steps for installation.

SERVICE POINTS

Water pump housing inspection

1. Inspect:
Water pump housing
Crack/Damage → Replace.

Impeller and insert cartridge inspection

1. Inspect:
Impeller
Insert cartridge
Crack/Damage → Replace.
6-4
Service points
E