Yamaha F90B Outboard Motor User Manual


 
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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.
7) Dispose of used oil according to local
regulations.
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.
000815
EMU00380*
CHECKING TIMING BELT
Inspect the timing-belt and replace it if
any to the following signs is observed:
8 Cracks in the back of the belt or in the
base of belt teeth.
8 Excessive wear at the roots of cogs.
8 Rubber portion swollen by oil.
8 Belt surfaces roughened.
8 Signs of wear on edges or outer surface
of belt.
8 Stretching by 10 mm (0.39 in) or more
when the belt is pushed with a finger.
cC
Consult your Yamaha dealer for replacing
the timing-belt.
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