GASOLINE STERNDRIVE INSTALLATION MANUAL
Page 124 of 137
90-860172011
7. Crank engine over slightly with starter motor to purge any water trapped in seawater
pickup pump. DO NOT allow engine to start.
8. Make sure gear housing water vent and drain holes, speedometer pitot hole and trim
tab cavity vent and drain holes are open and unobstructed.
71216
a
b
c
d
a -
Vent Holes
b -
Trim Tab Cavity Drain Holes
c -
Drain Hole
d -
Speedometer Pitot Hole
9. After seawater section of cooling system has been drained completely, reinstall all com-
ponents. Reconnect all hoses and tighten hose clamps securely.
All Models
1. For additional assurance against freezing and corrosion, fill the cooling system with a
mixture of propylene glycol antifreeze and tap water mixed to manufacturer’s
recommendation to protect engine to the lowest temperature to which it will be exposed
during cold weather or extended storage.
a. Remove thermostat housing or hose and fill with propylene glycol coolant until block
and head are full. If thermostat housing was removed, reinstall and tighten cover
bolts securely.
Store boat with drive unit in full DOWN/IN position.