2005 Yamaha Outboard F9.9D T9.9D Boat Owners Manual

Operation
the boat is up about 3 to 5 degrees. With the
bow up, the boat may have a greater tenden-
cy to steer to one side or the other. Compen-
sate for  this as you  steer. The trim  tab can
also  be adjusted  to  help  offset this  effect.
When the bow of the boat is down, it is easier
to  accelerate   from  a  standing  start   onto
plane.
1
ZMU04401
1.
Trim rod
3.
Reposition the rod in the desired hole.
To raise  the bow (trim-out),  move the  rod
away from the transom.
To lower the bow (trim-in), move the rod to-
ward the transom.
Make test  runs with the trim  set to different
angles to find the position that works best for   Bow Up
Too much trim-out  puts the bow of the  boat
your boat and operating conditions.
too high in the water. Performance and econ-
omy are  decreased because the  hull of the
boat is pushing the  water and there is more
air drag. Excessive  trim-out can also  cause
the propeller to ventilate, which reduces per-
formance  further,  and  the  boat may  por-
poise(hop in the water),  which could throw
EWM00400
WARNING
q
q
q
Stop  the  engine  before  adjusting the
trim angle.
Use care to  avoid being pinched when
removing or installing the rod.
Use caution when trying a trim position
for the first time. Increase speed gradu-    the operator and passengers overboard.
ally and watch for any signs of instabil-
ity or  control problems.  Improper trim
angle can cause loss of control.
NOTE:
The   outboard  motor   trim   angle  can   be
changed approximately 4 degrees by shifting
the trim rod one hole.
EMU27911
Adjusting boat trim
When the boat is on plane, a bow-up attitude
results in less drag, greater stability and effi-
ciency. This is generally when the keel line of
Bow Down
Too much trim-in  causes the boat  to plow
through the water, decreasing fuel economy
35
Product Specification
CategoriesYamaha Outboard Manuals
Document TypeBoat Motor Manual Free Download. Marine Operator's Boating Guide.
Tags,
Model Year2005
Download File
Please Enter the Security Characters Shown Below. Letters are Case Sensitive. Your download link will appear upon completing this step.
- 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
(0 votes, average: 0 out of 5)

Submit your review (optional)
(will not be displayed)
* Required Field

Leave a Reply

Your email address will not be published. Required fields are marked *

*
*
Website