Owner`s manual

Operation
22
3. Next two hours:
Accelerate at full throttle onto plane,
then reduce engine speed to three-quar-
ter throttle (approximately 4000 r/min).
Vary engine speed occasionally. Run at
full throttle for one minute, then allow
about 10 minutes of operation at three-
quarter throttle or less to let the engine
cool.
4. Remaining seven hours:
Run the engine at any speed. However,
avoid operating at full throttle for more
than 5 minutes at a time.
5. After the first 10 hours:
Operate the engine normally. Use the
standard premix ratio of gasoline and oil.
For details on mixing fuel and oil, see
page 22.
EMU27104
Pre-operation checks
WARNING
EWM00081
If any item in the pre-operation check is
not working properly, have it inspected
and repaired before operating the out-
board motor. Otherwise an accident
could occur.
CAUTION:
ECM00120
Do not start the engine out of water. Over-
heating and serious engine damage can
occur.
EMU27111
Fuel
●
Check to be sure you have plenty of fuel
for your trip.
●
Make sure there are no fuel leaks or gaso-
line fumes.
● Check fuel line connections to be sure they
are tight (if equipped Yamaha fuel tank or
boat tank).
●
Be sure the fuel tank is positioned on a se-
cure, flat surface, and that the fuel line is
not twisted or flattened, or likely to contact
sharp objects (if equipped Yamaha fuel
tank or boat tank).
EMU27120
Oil
●
Check to be sure you have plenty of oil for
your trip.
EMU27130
Controls
●
Check throttle, shift, and steering for prop-
er operation before starting the engine.
●
The controls should work smoothly, with-
out binding or unusual free play.
● Look for loose or damaged connections.
●
Check operation of the starter and stop
switches when the outboard motor is in the
water.
EMU31721
Stop switches
●
Confirm that turning the main switch to the
“” (off) position stops the engine.
● Confirm that removing the clip from the en-
gine shut-off switch stops the engine.
●
Confirm that the engine cannot be started
with the clip removed from the engine
shut-off switch.
EMU27140
Engine
● Check the engine and engine mounting.
●
Look for loose or damaged fasteners.
●
Check the propeller for damage.
EMU27233
Filling fuel and engine oil
EMU27242
Filling fuel for portable tank
WARNING
EWM00060
Gasoline and its vapors are highly flam-
mable and explosive. Keep away from
sparks, cigarettes, flames, or other