Yamaha F2.5A Owner's Manual page 80

Maintenance
2. Prepare a suitable container that holds a
larger amount than the engine oil capac-
ity. Loosen and remove the drain screw
and gasket while holding the container
under the drain hole. Then remove the oil
filler cap. Let the oil drain completely.
Wipe up any spilled oil immediately.
1. Drain screw
2. Gasket
3. Put a new gasket on the oil drain screw.
Apply a light coat of oil to the gasket and
install the drain screw.
Drain screw tightening torque:
18 Nm (1.84 kgf-m, 13.3 ft-lb)
TIP:
If a torque wrench is not available when you
are installing the drain screw, finger tighten
the screw just until the gasket comes into
contact with the surface of the drain hole.
75
Then tighten 1/4 to 1/2 turn more. Tighten the
drain screw to the correct torque with a
torque wrench as soon as possible.
4. Add the correct amount of oil through the
filler hole. Install the filler cap. NOTICE:
Overfilling the oil could cause leakage
or damage. If the oil level is above the
upper level mark, drain until the level
meets the specified capacity.
Recommended engine oil:
YAMALUBE 4 or 4-stroke outboard
motor oil
Engine oil quantity:
0.35 L (0.37 US qt, 0.31 Imp.qt)
2
1. Oil filler cap
1
5. Turn off the engine and wait 3 minutes.
ZMU02352
Recheck the oil level using the oil level
check window to be sure the level falls
between the upper and lower marks. Fill
with oil if it is below the lower mark, or
drain to the specified level if it is above
the upper mark.
[ECM01851]