Mercury 50 - General Information; Boater Responsibilities and Pre-Operation

A USING LUBRICATION
CAUTION
Have gear housing checked by your local
service dealer if any of the following are
found:
Water drains from filler hole.
* Metal particles are present on magnetic
fill plug.
NOTE: Presence of a small amount of fine
metal
particles (resembling powder) indi -
cates normal wear.
Lubricant appears milky brown.
c Large amounts of lubricant must be
added to fill gear housing.
IMPORTANT: DO NOT use automotive
lubricant in gear housing. Use only Quick
-
silver Gear Lube.
CHECK LUBRICANT LEVEL
IMPORTANT: lnspect fill and vent plug
washers for damage. Use new washers as
needed.
1 Remove lubricant fill plug and washer.
Note amount of metal particles on mag
-
netic fill plug. Refer to caution, preceding.
2 Insert lubricant tube in f~ll hole.
3 Remove both vent plugs with washers.
IMPORTANT: Never add lubricant to gear
housing without first removing both vent
plugs, as trapped air will prevent housing
from being filled. Fill gear housing only
when outboard is in operating position.
4 Add lubricant to gear housing until ex -
cess starts to flow from one (first) vent
hole. If this requires more than
2 - 3 fl. oz.
(60-90ml) of lubricant, refer outboard to
authorized dealer. Install vent plug and
washer for this vent hole only.
Continue to add lubricant until excess
starts to flow from
remainmg vent hole.
Install remaining vent plug and washer
Remove lubricant tube and install cleaned
magnetic fill plug and washer.
AF? HOUSING LUBRICATION
(Continued)
DRAINING and REFILLING GEAR
HOUSING LUBRICANT
With outboa~d in operating position place
a clean container under gear housing fill
hole.
IMPORTANT: lnspect fill and vent plug
washers for damage. Use new washers as
needed.
1 Remove lubricant fill plug and washer.
Note
amoun! of metal particles on niag-
netic fill plug Refer to caution, preceding.
2 Remove toth vent plugs with washers
and allow sufficient time for all lubricant to
drain.
IMPORTANT: Never add lubricant to gear
housing without first removing both vent
plugs, as trapped air will prevent housing
from being
tilied. Fill gear housing only
when outboard is in operating position.
3 W~th outbcsrd 11) operat~ng posltlon
~nsert lubrlcan, tube Into f~ll hole
4 F~ll gear hr*us~ng ~~th lubr~cant, untll
excess starts t3 flow from one (f~rst) vent
hole
(approx~r~ately 13 fl oz [370ml] of
Qutcks~lver Gc~ar Lube) Install vent plug
and washer fo
th~s vent hole only
Cont~nue to dd lubr~cant unt~l excess
starts to flow
f om remalnlng vent hole
Install
renlalr~i ,g vent plug and washer.
Remove lubricant tube and install cleaned
magnetic fill
p~ug with washer.