2005 Yamaha Outboard VZ150D 175D VZ2002 Boat Motor Owners Manual

Operation
results in less drag, greater stability and effi-    Bow Down
ciency. This is generally when the keel line of   Too much trim-in  causes the boat to  plow
the boat is up about 3 to 5 degrees. With the    through the water, decreasing fuel economy
bow up, the boat may have a greater tenden-   and making it hard to increase speed. Oper-
cy to steer to one side or the other. Compen-   ating with excessive trim-in at higher speeds
sate for  this as you  steer. The trim  tab can    also makes the boat unstable. Resistance at
also  be adjusted  to  help  offset this  effect.    the bow is greatly increased, heightening the
When the bow of the boat is down, it is easier  danger of bow steeringand  making opera-
to  accelerate   from  a  standing  start   onto    tion difficult and dangerous.
plane.
NOTE:
Bow Up
Depending on the type of boat, the outboard
Too much trim-out  puts the bow of the  boat    motor trim angle may have little effect on the
too high in the water. Performance and econ-   trim of the boat when operating.
omy are  decreased because the  hull of the
EMU27931
boat is pushing the  water and there is more
Tilting up and down
air drag. Excessive  trim-out can also  cause
If the engine will be stopped for some time or
the propeller to ventilate, which reduces per-
if  the boat  is moored  in  shallows, the  out-
formance  further,  and  the  boat may  por-
board motor should be tilted up to protect the
poise(hop in the water),  which could throw
propeller and  casing from  damage by colli-
the operator and passengers overboard.
sion  with obstructions,  and  also to  reduce
salt corrosion.
EWM00220
WARNING
Be  sure all  people are  clear  of the  out-
board  motor when  tilting  up and  down,
also  be  careful  not  to  pinch  any  body
parts between  the drive  unit and engine
36
Product Specification
CategoriesYamaha Outboard Manuals
Document TypeBoat Motor Manual Free Download. Marine Operator's Boating Guide.
Tags, ,
Model Year2005
Download File
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- 81 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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