4-78 - POWERHEAD 90-830234R3 DECEMBER 1997
Reinstall Air Box Cover; tighten screws securely.
3 Cylinder Models
a
b
b
53977
a - Air Box Cover
b - Screws
4 Cylinder Models
a
b
b
53976
a - Air Box Cover
b - Screws
Powerhead to Driveshaft Housing
• Install lifting eye (91-90455) onto flywheel.
Thread on at least 5 full turns.
• After checking mating surfaces between power-
head and driveshaft housing for condition and
cleanliness, use hoist to lift powerhead, being
careful not to damage powerhead to driveshaft
housing gasket surface.
• Place new gasket over locating pins on driveshaft
housing-to-powerhead mating surface.
• Apply a small amount of Quicksilver 2-4-C
w/Teflon to driveshaft splines.
• Recheck for correct installation of tip-seal in
crankshaft seal carrier.
• Use hoist to lower powerhead into driveshaft
housing, turning flywheel, if necessary, to align
crankshaft splines with driveshaft splines. Lower
so that powerhead is fully installed and aligned
on locating pins.
• Clean holes (threads) and bolts thoroughly, with
Loctite 7649 Primer. Dry, apply Loctite 271 to
bolts, and install. There are 8 bolts (3 each side,
2 backside). Torque in 3 steps to 45 lb. ft. (61.0
Nm).
19070
92
Loctite 7649 Primer (92-809824)
7
Loctite 271 (92-809820)
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