2007 Yamaha Outboard F50 T50 F60 T60 Boat Motor Owners Manual

Operation
motor greatly affects the water resistance. If
the  mounting height  is  too high,  cavitation
tends to occur, thus reducing the propulsion;
life.
ECM00800
CAUTION:
and if the propeller tips cut the air, the engine   Failure to  follow the  break-in procedure
speed will rise abnormally and cause the en-    could  result  in  reduced   engine  life  or
gine to overheat. If the mounting height is too   even severe engine damage.
low, the  water resistance  will increase  and
EMU27081
thereby reduce engine efficiency. Mount the    Procedure for 4-stroke models
outboard  motor  so  that  the  anti-cavitation
plate is  in alignment with  the bottom  of the
boat.
Run the  engine  under load  (in gear  with a
propeller installed) for 10 hours as follows.
1.
2.
3.
First hour:
Run the  engine at 2000  r/min or at  ap-
proximately half throttle.
Second hour:
Run the  engine at 3000  r/min or at  ap-
proximately three-quarter throttle.
Remaining eight hours:
Run the engine at any speed. However,
avoid operating  at full  throttle for  more
than 5 minutes at a time.
ZMU01762
4.
After the first 10 hours:
NOTE:
Operate the engine normally.
EMU27103
q
The optimum  mounting height of  the out-
board motor is affected  by the boat/motor
combination  and  the  desired   use.  Test
runs  at different  heights  can help  deter-
mine the  optimum mounting height.  Con-
Preoperation checks
EWM00080
WARNING
If any  item in  the  preoperation check  is
not  working properly,  have  it inspected
and  repaired  before  operating  the  out-
board
could occur.
sult
your
Yamaha
dealer
or
boat
manufacturer for further information on de-
termining the proper mounting height.
For instructions on setting the trim angle of
the outboard motor, see page 45.
motor.   Otherwise   an    accident
q
ECM00120
CAUTION:
EMU30173
Breaking in engine
Do not start the engine out of water. Over-
heating and  serious engine damage  can
occur.
Your new engine requires a period of break-
in to allow mating surfaces of moving parts to
wear in evenly. Correct break-in will help en-
sure proper performance and  longer engine
EMU31550
Fuel
q
Check to  be sure you  have plenty of  fuel
for your trip.
q
Make sure there are no fuel leaks or gaso-
36
Product Specification
CategoriesYamaha Outboard Manuals
Document TypeBoat Motor Manual Free Download. Marine Operator's Boating Guide.
Tags, , ,
Model Year2007
Download File
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- 96 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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