Yamaha F4A Manuel D'utilisation page 126

NOTE:
If a torque wrench is not available when
you are installing the drain plug, finger
tighten the bolt just until the gasket
comes into contact with the surface of the
drain hole. Then tighten 1/4 - 1/2 turn.
Have the drain plug torqued to the correct
value with a torque wrench as soon as
possible.
4) Remove the oil filler cap (dipstick) 2.
Add the correct amount of oil through
the filler hole.
Reinstall the filler cap (dipstick).
w
Engine oil grade/capacity:
Refer to "SPECIFICATIONS", page 4-1.
5) Start the engine and make sure that
there are no oil leaks.
6) Turn off the engine and wait 3 min-
utes. Recheck the oil level using the
dipstick 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.
NOTE:
8 For disposal of used oil consult your
Yamaha dealer.
8 The oil should be changed more often
when the engine is operated under
adverse conditions such as extended
trolling.
4-16
GB