Service Manual 40-90 HP Gearcase [Shift Rod Adjustment]

slide water pump down over key. Be sure impeller key does not fall out of position.

1. Sharp edge of drive key
2. Direction of driveshaft rotation

Make sure the impeller engages the impeller key. Serious powerhead damage will result if impeller key 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).

Install the water tube grommet on the impeller housing.

Apply a thin bead of Adhesive 847 to groove of the impeller housing grommet. Install the grommet on the impeller housing.

1. Housing screws
2. Water tube grommet
3. Impeller housing grommet

Before installing gearcase, shift rod adjustment MUST be checked. Refer to SHIFT ROD ADJUSTMENT on p. 300.

Check the shift rod height from the shift rod hole to the surface of the gearcase using Universal Shift Rod Height Gauge, P/N 389997.

With the gearcase in NEUTRAL, rotate the shift rod up or down as necessary for correct adjustment. Once correct height is achieved, rotate rod one half turn or less to direct offset to the rear.

Shift Rod Height:

• 21.38 in. (543 mm) ± One-Half Turn