Mercury 305 CID, Service Manual, Page: 54 / 967

MAINTENANCE - 1B-37 90-823225--1 1096
c. Remove drain plugs (if equipped) from port
and starboard exhaust elbows.
71330
a
a - Drain Plug
d. If equipped with 3 in. (76 mm) or 6 in. (152
mm) risers, remove drain plug as shown from
port and starboard risers.
72574
a
Typical Riser Shown (if equipped)
a - Drain Plug (Removed)
e. Repeatedly clean out drain holes using a stiff
piece of wire. Do this until entire system is
drained.
NOTE: It may be necessary to lift, bend, or lower
hoses to allow water to drain completely when hoses
are disconnected.
f. Remove the transmission fluid cooler hose,
as appropriate on your engine, to drain hose
and cooler.
71782
a
Typical Borg Warner In-Line and
V-Drive Transmissions
a - Hose, Transmission Fluid Cooler
72721
a
Typical Hurth Transmission
a - Hose, Transmission Fluid Cooler