Warming up engine, Manual start and electric start, Models – Yamaha F250 LF250 User Manual

Page 39: Operation, Start

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Operation

33

4.

Turn the main switch to “

” (start),

and hold it for a maximum of 5 seconds.

5.

Immediately after the engine starts, re-
lease the main switch to return it to “

(on).

CAUTION:

ECM00191

Never turn the main switch to “

(start) while the engine is running.

Do not keep the starter motor turning for
more than 5 seconds. If the starter motor
is turned continuously for more than 5
seconds, the battery will be quickly dis-
charged, thus making it impossible to
start the engine. The starter can also be
damaged. If the engine will not start after
5 seconds of cranking, return the main
switch to “

” (on), wait 10 seconds,

then crank the engine again.

EMU27670

Warming up engine

EMU30030

Manual start and electric start models

1.

After starting the engine, allow it to idle for
3 minutes to warm up. Failure to do so will
shorten engine life.

2.

Be sure the low oil pressure warning indi-
cator goes off after starting the engine.

3.

Check for a steady flow of water from the
cooling water pilot hole.

CAUTION:

ECM01340

If the low oil pressure warning indicator
does not go off after the engine starts,
stop the engine. Otherwise serious en-
gine damage could occur. Check the oil
level and add oil if necessary. Consult
your Yamaha dealer if the cause for the
low oil pressure warning indicator can-
not be found.

A continuous flow of water from the pilot
hole shows that the water pump is
pumping water through the cooling pas-
sages. If water is not flowing out of the
pilot hole at all times while the engine is
running, overheating and serious dam-
age could occur. Stop the engine and
check whether the cooling water inlet on
the lower case or the cooling water pilot

ON

START

OFF

ZMU01881

START

ON

ZMU04590

U6P212E0.book Page 33 Monday, June 6, 2005 4:23 PM

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