300
GEARCASE SERVICE, 40 – 60 HP MODELS
GEARCASE DISASSEMBLY
Locked Driveshaft Removal
The driveshaft to pinion taper is a locking taper. If
necessary, use Puller, P/N 387206, and Backing
Plate, P/N 325867, to break the lock. Install the
tools as shown by clamping them around the
driveshaft with the tool’s setscrew aligned with the
impeller drive key slot. Tighten the setscrew into
the slot. Alternately tighten the two vertical screws
against the backing plate inserted between the
puller and the gearcase until the driveshaft pops
loose from the pinion.
Shift Housing, Gear and
Propeller Shaft Removal
Push down on the shift rod. This will move the
detent lever downward to clear the inside of the
gearcase when the shaft assembly is pulled out.
Unscrew the shift rod from the detent lever.
Remove screws, cover, and shift rod from the
gearcase.
Discard the cover gasket. Remove and discard
the shift rod O-ring from inside of cover.
IMPORTANT: Make sure oil fill/drain plug is
removed from gearcase.
Remove propeller shaft assembly from gearcase.
1. Drive shaft
2. Puller
3. Backing plate
COA3664
COA3666
COA3575
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