Warming Up Engine; Procedure For Warming Up Engine; Checks After Engine Warm Up; Shifting - Yamaha VF150 Owner's Manual

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1. Cooling water pilot hole
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Warming up engine

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Procedure for warming up engine

1. After starting the engine, warm up the
engine until the engine speed stabilizes
at idle speed to provide maximum oper-
ating performance and acceleration.
NOTICE: Failure to do so will shorten
engine life.
[ECM04550]
2. Check that the low oil pressure-alert indi-
cator remains off. NOTICE: If the low oil
pressure-alert indicator blinks after
the engine starts, stop the engine.
Otherwise, serious engine damage
could occur. Consult your Yamaha
dealer.
[ECM02381]
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Checks after engine warm up

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Shifting

While the boat is tightly moored, and without
applying throttle, confirm that the engine
shifts smoothly into forward and reverse, and
back to neutral.
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Stop switches

Perform the following procedure to check
that the main switch and engine shut-off
switch operate properly.
 Check that the engine stops when the main
switch is turned to the "
 Check that the engine stops when the clip
 Check that the engine cannot be started
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Before shifting, make sure there are no
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swimmers or obstacles in the water near
you.
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NOTICE
Warm up the engine before shifting into
gear. Until the engine is warm, the idle
speed may be higher than normal. High
idle speed can prevent you from shifting
back to neutral. If this occurs, stop the en-
gine, shift to neutral, then restart the en-
gine and allow it to warm up.
To shift out of neutral
1.
1. Neutral interlock trigger
2.
" (off) position.
is pulled from the engine shut-off switch.
with the clip removed from the engine shut-
off switch.
Shifting
WARNING
Pull the neutral interlock trigger up (if
equipped).
Move the remote control lever firmly and
crisply forward (for forward gear) or rear-
ward (for reverse gear) about 35° (a de-
tent can be felt).
Operation
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