Operation
65
Bow Down
Too much trim-in causes the boat to “plow”
through the water, decreasing fuel economy
and making it hard to increase speed. Oper-
ating with excessive trim-in at higher speeds
also makes the boat unstable. Resistance at
the bow is greatly increased, heightening the
danger of “bow steering” and making opera-
tion difficult and dangerous.
TIP:
Depending on the type of boat, the outboard
motor trim angle may have little effect on the
trim of the boat when operating.
EMU27948
Tilting up and down
If the engine will be stopped for some time or
if the boat is moored in shallows, the out-
board motor should be tilted up to protect the
propeller and lower case from damage by
collision with obstructions, and also to re-
duce salt corrosion.
WARNING
EWM01544
Make sure that all people are clear of the
outboard motor when tilting the outboard
motor up and down. Body parts can be
crushed between the outboard motor and
the clamp bracket when the outboard mo-
tor is trimmed or tilted.
NOTICE
ECM00993
Before tilting the outboard motor, fol-
low the procedure under “Stopping en-
gine” in this chapter. Never tilt the
outboard motor while the engine is run-
ning. Severe damage from overheating
can result.
To prevent the cooling water passages
from becoming frozen when the ambi-
ent temperature is 5
C (41
F) or below,
tilt the outboard motor up after it has
been stopped 30 seconds or more.
EMU46190
Procedure for tilting up
Tilting up when using the tilt support shaft
1. Move the remote control lever to the
neutral position.
ZMU07039
ZMU07040
ZMU0699
8
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2019 Yamaha Motor Corporation, U.S.A.
