265
GEARCASE
WATER PUMP SERVICE
13
Run a thin bead of Adhesive 847 in the seal
groove, and install the special shaped O-ring seal.
Apply Gasket Sealing Compound to both sides of
a new impeller plate gasket. Install the gasket and
impeller plate.
Apply Triple-Guard grease to a new impeller O-
ring. Slide the O-ring down the driveshaft and
slide half way over installed drive cam to tempo-
rarily hold cam in place.
The sharp edge of the cam is the leading edge in
clockwise rotation.
Slide the water pump down the driveshaft. Align
impeller slot with the impeller cam. Rotate the
driveshaft to engage the impeller cam with the
impeller, and slide water pump down over cam.
Be sure impeller cam does not fall out of position.
IMPORTANT: Make sure the impeller engages
the impeller cam. Serious powerhead damage will
result if impeller cam is not in place.
Align the impeller housing with the gearcase.
Apply Gasket Sealing Compound to threads of the
four impeller housing screws. Install the screws
and tighten to a torque of 60 to 84 in. lbs. (7 to 9.5
N·m).
25 IN. MODELS
Place water tube spacer with grommet on the
impeller housing cover.
IMPORTANT: Before installing gearcase, shift
rod adjustment MUST be checked. Refer to
SHIFT ROD ADJUSTMENT on p. 266.
1. O-ring 34815
1. Impeller plate gasket
2. Impeller plate
3. O-ring
4. Drive cam
DSC02326
1
3
2
1
4
1. Sharp edge of drive cam
2. Direction of driveshaft rotation
CO2995
25 in. Model Water Tube Spacer
1. Spacer
2. Grommet
32728
2
1
2
1
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