169
GEARCASE
WATER PUMP
9
WATER PUMP
Disassembly
Remove gearcase from exhaust housing as
described in REMOVAL AND INSTALLATION on
p. 167.
Remove the impeller housing screws.
Remove the impeller housing and impeller by slid-
ing them up and off the driveshaft. Then remove
the impeller drive pin and impeller plate.
Remove and discard the water tube grommet, O-
ring, and seal in the impeller housing.
Inspection
Check impeller for overheating, hub separation
and visible signs of wear or damage. Check
impeller cup and plate for scoring, distortion, and
impeller material transfer. Inspect housing for
cracks or melting.
Assembly
Apply Gasket Sealing Compound to the metal
casing of a new driveshaft seal. Install the seal in
the impeller housing with lip of seal facing into the
housing.
Apply Adhesive 847 to the impeller housing O-ring
and install it on the housing.
Apply Adhesive 847 to outside surface of the
water tube grommet. Install the grommet in the
impeller housing with bosses of grommet seated
9.9/15 Model
1. Screws, four (4)
16306
1. Drive pin
2. Impeller plate
16307
1
1
2
1. Seal 16312
1. O-ring 16315
1
1
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