2005 Yamaha Outboard 40D 50D Boat Motor Owners Manual

Maintenance
EMU28931
Greasing
Yamaha marine grease (Water resistant grease)
40D,
50D
ZMU03414
EMU28951
Cleaning and adjusting spark plug
The spark plug is  an important engine com-
ponent and is easy to inspect. The condition
of  the  spark  plug  can  indicate  something
about the condition of the engine. For exam-
ple, if the  center electrode porcelain  is very
white, this could indicate an intake air leak or
carburetion problem in  that cylinder. Do not
attempt to diagnose  any problems yourself.
Instead,   take   the   outboard  motor   to   a
EWM00560
WARNING
When removing or installing a spark plug,
be careful not to damage the insulator. A
damaged  insulator could  allow  external
sparks, which could lead to  explosion or
fire.
44
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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- 77 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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