Maintenance
84
used.
If the boat is not equipped with a tachometer
for the outboard motor, use a diagnostic ta-
chometer for this procedure. Results may
vary depending on whether testing is con-
ducted with the flushing attachment, in a test
tank, or with the outboard motor in the water.
1. Start the engine and allow it to warm up
fully in neutral until it is running smooth-
ly.
2. Once the engine has warmed up, verify
whether the idle speed is set to specifi-
cation. For idle speed specifications, see
page 10. If you have difficulty verifying
the idle speed, or the idle speed requires
adjustment, consult a Yamaha dealer or
other qualified mechanic.
EMU37494
Changing engine oil
ECM01710
Change the engine oil after the first 20
hours of operation or 3 months, and ev-
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.
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.
[ECM01850]
1. Oil changer
6C1-9-79-1E0.book 84 ページ ２０１１年３月１７日 木曜日 午後２時５４分
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