2007 Yamaha Outboard 50 Boat Motor Owners Manual

Operation
EMU36381
EMU27020
Breaking in engine
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
Run  the engine  at the  lowest  possible
speed. A fast idle in neutral is best.
Next 50 minutes:
Do  not  exceed   half  throttle  (approxi-
mately 3000  r/min). Vary engine  speed
occasionally. If you  have an easy-plan-
ing boat,  accelerate at  full throttle onto
plane,   then   immediately   reduce  the
throttle to 3000 r/min or less.
First-time operation
2.
3.
life.
ECM00140
NOTICE
Next two hours:
Accelerate  at  full   throttle  onto  plane,
then reduce engine speed to three-quar-
ter  throttle (approximately  4000 r/min).
Vary engine speed occasionally. Run at
full  throttle for  one  minute,  then  allow
about 10 minutes  of operation at three-
quarter throttle or  less to let  the engine
cool.
q
q
Failure to follow the break-in procedure
could  result in  reduced engine  life  or
even severe engine damage.
Premix fuel must be used during break-
in in  addition to  oil in the  oil injection
system.
EMU27060
Gasoline  and   engine  oil   mixing  chart
(50:1)
4.
5.
Remaining seven hours:
Run the engine at any speed. However,
avoid operating  at full  throttle for  more
than 5 minutes at a time.
After the first 10 hours:
Operate the  engine normally.  Use only
straight  gasoline in  the  fuel  tank.  The
Yamaha  oil  injection  system  provides
proper lubrication for normal operation.
EMU36400
Getting to know your boat
Different  boats  handle  differently. Operate
cautiously  while  you  learn  how  your  boat
handles under  different conditions and  with
1.
2.
: Gasoline
: Engine oil
ECM00150
NOTICE
different trim angles (see page 48).
Be sure to mix gasoline and oil complete-
ly,  otherwise  the  engine  may  be  dam-
aged.
EMU36412
Checks before starting engine
EWM01920
WARNING
EMU30311
Procedure for oil injection models
If any  item in the  checks before starting
Run the  engine  under load  (in gear  with a     engine is not working properly, have it in-
propeller installed) for 10 hours as follows.
1.    First 10 minutes:
spected  and  repaired  before   operating
the  outboard motor.  Otherwise  an acci-
35
Product Specification
CategoriesMarine, Yamaha Outboard Manuals
Document TypeBoat Motor Manual Free Download. Marine Operator's Boating Guide.
Tags
Model Year2007
Download File
Please Enter the Security Characters Shown Below. Letters are Case Sensitive. Your download link will appear upon completing this step.
- 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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