2007 Yamaha Outboard 150 150hp Boat Motor Owners Manual

Operation
cy to steer to one side or the other. Compen-   also makes the boat unstable. Resistance at
sate for  this as you  steer. The trim  tab can    the bow is greatly increased, heightening the
also  be adjusted  to  help  offset this  effect.    danger  of “bow steering” and making opera-
When the bow of the boat is down, it is easier  tion difficult and dangerous.
to  accelerate   from  a  standing  start   onto
plane.
TIP:
Depending on the type of boat, the outboard
Bow Up
motor trim angle may have little effect on the
Too much trim-out  puts the bow of the  boat
too high in the water. Performance and econ-
omy are  decreased because the  hull of the
trim of the boat when operating.
EMU27934
Tilting up and down
boat is pushing the  water and there is more     If the engine will be stopped for some time or
air drag. Excessive  trim-out can also  cause    if  the boat  is  moored in  shallows, the  out-
the propeller to ventilate, which reduces per-    board motor should be tilted up to protect the
formance  further,  and  the  boat may  “por-     propeller and lower  casing from damage by
poise” (hop in the water),  which could throw    collision  with  obstructions,  and also  to  re-
the operator and passengers overboard.
duce salt corrosion.
EWM00221
WARNING
Be  sure all  people are  clear  of the  out-
board  motor when  tilting  up and  down,
Body parts  can be crushed  between the
motor  and the  clamp  bracket  when the
motor is trimmed or tilted.
EWM00250
WARNING
Leaking fuel is  a fire hazard. If  there is a
fuel joint on the  outboard motor, discon-
nect the fuel line or close the  fuel cock if
the engine  will be  tilted for  more than a
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
49
Product Specification
CategoriesMarine, Yamaha Outboard Manuals
Tags
Model Year2007
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- 90 pages
LanguageEnglish
Product BrandYamaha Motor. Yamaha Motor Corporation, USA - Support Customer Relations for US: 1-800-962-7926
Yamaha Boats: 1-800-962-7926
Yamaha Outboard Customer Relations: 1-866-894-1626 , Yamaha Outboard
Document File TypePDF
Publisheryamaha-motor.com
Wikipedia's PageYamaha Motor Company
CopyrightAttribution Non-commercial
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