2004 Yamaha Outboard 25C Motor Owners Manual

6L2-9-1K-3  2/17/03 18:40  Page 14
E
cC
Make sure to mix gasoline (petrol) and oil
completely,
otherwise   your    outboard
motor may be damaged.
EMU01786
Break-in procedure
Run the engine under load (in gear with  a
propeller installed) as follows.
1)
2)
First 10 minutes:
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
3,000   r/min).    Vary   engine
speed  occasionally.  If   you  have  an
easy-planing  boat,  accelerate  at  full
throttle onto  plane, then immediately
reduce  the throttle  to  3,000 r/min  or
less.
3)
Second hour:
Accelerate at  full throttle  onto  plane,
then  reduce  engine  speed  to  three-
quarter  throttle (approximately  4,000
r/min). Vary engine speed  occasional-
ly. Run at  full throttle for one minute,
then allow about 10 minutes of opera-
tion at three-quarter throttle or less to
let the engine cool.
4)
Third through tenth hours:
Avoid  operating   at  full   throttle  for
more than 5 minutes at a time. Let the
engine cool between full-throttle runs.
Vary engine speed occasionally.
For premix models
5)
After the first 10 hours:
Operate the engine normally. Use  the
standard premix ratio of gasoline and
oil. For details on  mixing fuel and oil,
see Gasoline  and oil mixingin  this
chapter.
3-13
Product Specification
CategoriesYamaha Outboard Manuals
Document TypeBoat Motor Manual Free Download. Marine Operator's Boating Guide.
Tags
Model Year2004
Download File
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- 110 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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