291
GEARCASE
GEARCASE REMOVAL AND INSTALLATION
13
IMPORTANT: New gearcase screws are treated
with a thread-locking material. Apply Triple-Guard
grease to thre ads t o ensure th at the correct
clamping force is ach ieved when tig htening—If a
previously inst alled screw is re-used, use a wire
brush to remove any old thread-locking material or
corrosion and lu bricate threads with Triple-Guard
grease.
Install screws and washers and tighten to a torque
of:
• 3/8 in. screws – 26 to 28 ft. lbs. (35 to 38 N·m)
• 7/16 in. screw – 45 to 50 ft. lbs. (61 to 68 N·m)
Apply Triple-Guard gre ase to threads o f the trim
tab screw . Install gasket on “M”-type gearcase s.
Install an d align the trim t ab (cover on “L”-type)
with the inde x ma rks noted prior to disassemb ly.
Tighten the trim tab screw to a torque of 35 to 40
ft. lbs. (47 to 54 N· m). For adjustme nt, refer to
Trim Tab Adjustment on p. 30.
Standard rotation and counter rota-
tion trim t abs must not be inte rchanged. This
would result in inad equate cooling water sup-
ply to the propeller hub.
Place the shift rod in the shift rod lever. Install the
retaining pin and washer. Tighten pin to a torque
of 60 to 84 in. lbs. (7 to 9.5 N·m).
IMPORTANT: During break-in pe riod of a reas-
sembled gearcase, change the gearcase lubricant
between 10 to 20 hours of operation.
1. Alignment bolt
2. 3/8-16 x 1.75 in. screw
005403
1. 3/8-16 x 3.5 in. screw
2. 7/16-14 x 3.5 in. screw
006869
1. Trim tab screw
2. Index mark
COA3663
1. Shift rod screw 004241
A WARNING
To prevent loss of operator control, check
for proper shifting operation and adjust, if
necessary.
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