Yamaha F50F Owner's Manual page 90

Maintenance
ery 100 hours or at 1-year intervals there-
after. Otherwise the engine will wear
quickly.
The engine oil should be extracted with an oil
changer.
1. Put the outboard motor in an upright po-
sition (not tilted). NOTICE: If the out-
board motor is not level, the oil level
indicated on the oil dipstick may not
be accurate.
[ECM01861]
2. Start the engine. Warm it up and keep
the idle speed for 5-10 minutes.
3. Stop the engine and leave it for 5-10
minutes.
4. Remove the top cowling.
5. Remove the oil filler cap. Pull out the dip-
stick and use the oil changer to extract
the oil completely.
1
1. Oil changer
84
6. Add the correct amount of oil through the
filler hole. Put back the filler cap and the
dipstick. 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.
1. Oil filler cap
ZMU03659
1. Oil filler cap
Recommended engine oil:
4-stroke outboard motor oil
Replacement engine oil quantity (at peri-
odic maintenance):
Without oil filter replacement:
ZMU06187
With oil filter replacement:
7. Leave the outboard motor for 5-10 min-
[ECM01850]
1
1
1.9 L (2.01 US qt, 1.67 Imp.qt)
2.1 L (2.22 US qt, 1.85 Imp.qt)
ZMU05101
ZMU07091