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Operation
25
NOTE:
●
When the engine is cold, it needs to be
warmed up. For further information, see
page 25.
●
If the engine does not start on the first try,
repeat the procedure. If the engine fails to
start after 4 or 5 tries, open the throttle a
small amount (between 1/8 and 1/4) and
try again. Also if the engine is warm and
fails to start, open the throttle a same
amount and try to start the engine again. If
the engine still fails to start, see page 49.
EMU27670
Warming up engine
EMU27731
Manual start models
1. After starting the engine, return the
choke knob to the halfway position. For
approximately the first 5 minutes after
starting, warm up the engine by operat-
ing at one fifth throttle or less. After the
engine has warmed up, push the choke
knob in fully. Failure to do so will shorten
engine life.
NOTE:
●
If the choke knob is left pulled out after the
engine starts, the engine will stall.
●
In temperatures of -5°C or less, leave the
choke knob pulled out fully for approxi-
mately 30 seconds after starting.
2. Check for a steady flow of water from the
cooling water pilot hole.
CAUTION:
ECM00510
A flow of water from the hole on the ex-
haust cover shows that the water pump is
pumping water through the cooling pas-
sages. If water is not flowing out of the
hole at all times while the engine is run-
ning, overheating and serious damage
could occur. Stop the engine and check
whether the cooling water inlet on the
lower case or the cooling water pilot hole
is blocked. Consult your Yamaha dealer if
the problem cannot be located and cor-
rected.
EMU27740
Shifting
WARNING
EWM00180
Before shifting, make sure there are no
swimmers or obstacles in the water near
you.
CAUTION:
ECM00220
To change the boat direction or shifting
position from forward to reverse or vice-
versa, first close the throttle so that the
engine idles (or runs at low speeds).
ZMU02685
ZMU02686