226
POWERHEAD
POWERHEAD INSTALLATION
POWERHEAD
INSTALLATION
Powerhead Mounting
Apply Permatex No. 2 to both sides of a new base
gasket around the exhaust port only. Install gasket
on adapter. To ensure proper sealing, mating sur-
faces must be clean and dry.
Coat the driveshaft splines with Moly Lube. Do not
apply lubricant to end of driveshaft.
Slowly lower powerhead onto exhaust housing.
Guide into position over alignment pin at rear of
exhaust housing. If necessary, rotate flywheel in a
clockwise direction to align crankshaft and drive-
shaft splines.
Apply Triple-Guard grease to the threads, and
Gasket Sealing Compound to the shank of the
powerhead screws.
Apply Triple-Guard grease to upper mount screw
threads.
Loosely install all powerhead screws and upper
mount screws before tightening.
• Tighten the six large powerhead screws to a
torque of 18 to 20 ft. lbs. (24 to 27 N·m) in the
sequence shown.
• Tighten the five small powerhead screws to a
torque of 60 to 84 in. lbs. (7 to 9.5 N·m).
• Tighten the upper mount screws to a torque of
110 to 130 ft. lbs. (149 to 176 N·m). Make sure
that screw heads are tight against steering arm.
1. Apply Permatex No. 2 here 002164
1. Alignment pin 002162
1
1
1. Large powerhead screws
2. Small powerhead screws
3. Upper mount screws
002153
1. Rear small powerhead screw 002160
Large screw torque sequence, 1–8
Small screw torque sequence, A–E
002167
2
1
3
2
1
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