Yamaha VZ150D, Owner'S Manual

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Operation
27
2. Next 50 minutes:
Do not exceed half throttle (approxi-
mately 3000 r/min). Vary engine speed
occasionally. If you have an easy-plan-
ing boat, accelerate at full throttle onto
plane, then immediately reduce the
throttle to 3000 r/min or less.
3. Second hour:
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. Third through tenth hours:
Avoid operating at full throttle for more
than 5 minutes at a time. Let the engine
cool between full-throttle runs. Vary en-
gine speed occasionally.
5. After the first 10 hours:
Operate the engine normally.
EMU27101
Preoperation checks
WARNING
EWM00080
If any item in the preoperation 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.
EMU27110
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.
EMU27150
Engine
●
Check the engine and engine mounting.
●
Look for loose or damaged fasteners.
●
Check the propeller for damage.
●
Check that the battery is in good condition
and the battery connections are secure.
EMU27221
Operation after a long period of
storage
When operating the engine after a long peri-
od (12 months) of storage, proceed as fol-
lows:
1.
Start the engine. Leave it idling.
WARNING
EWM00090
●
Do not touch or remove electrical parts