Filling Oil Tank; Carburetor/Oil Pump Synchronization - Mercury 75 Service Manual

Filling Oil Tank

1. Quicksilver 2-Cycle Outboard Oil is recom-
mended for this oil injection system. In an emer-
gency, when Quicksilver 2-Cycle Outboard Oil is
not available, substitute a high quality 2-cycle oil
that is intended for outboard use and meets BIA
rating TC-WII or TC-W3, shown on oil container.
BIA rating TC-W is the Boating Industry Associa-
tion's designation for approved, 2-cycle water-
cooled outboard oils.
2. Open cowl cap. Turn the oil fill cap to the left and
remove.
a
a - Cowl Cap
b - Oil Fill Cap
3. Use the dipstick to check oil level.
4. Hook the dipstick on the tank during filling.
a
a - Dipstick
b - Hook
5. Slowly fill the oil tank with the specified oil. DO
NOT OVERFILL – add only enough oil to bring
the oil level up to the bottom of the fill neck.
NOTE: The oil tank capacity for 3 cylinder models is
3.2 qt. (3.0 liters) and 4 cylinder models is 5.13 qt.
(4.9 liters).
6. Install oil filler cap and re-tighten. Reinstall the
cowl cap.
3C-8 - FUEL SYSTEM
b
b
a
FULL
a - Bottom of Fill Neck
b - Oil Filler Cap
c - Cowl Cap
Carburetor/Oil Pump
Synchronization
1. While holding throttle arm at idle position, adjust
length of link rod so that stamped mark of oil
pump body aligns with stamped mark of oil pump
lever, and lever is in closed position.
c
b
a - Mark on Body
b - Mark, Fully Closed on Lever
c - Link Rod
90-830234R3 DECEMBER 1997
c
b
a