2005 Yamaha Outboard 90D Boat Motor Owners Manual

Trouble Recovery
EMU29422
A. Fill tank with clean, fresh fuel.
Troubleshooting
A problem in  the fuel, compression,  or igni-    Q. Is fuel filter clogged?
tion systems can cause poor starting, loss of    A. Clean or replace filter.
power, or  other problems.  This section  de-
scribes basic checks and possible remedies,    Q. Is starting procedure incorrect?
and  covers  all  Yamaha  outboard  motors.     A. See page 27.
Therefore some items may not apply to your
model.
Q. Has fuel pump malfunctioned?
If your outboard motor requires repair,  bring    A. Have serviced by a Yamaha dealer.
it to your Yamaha dealer.
If  the  engine  trouble  warning  indicator   is    Q.  Are spark  plug(s)  fouled or  of incorrect
flashing, consult your Yamaha dealer.
type?
A.  Inspect spark  plug(s).  Clean or  replace
with recommended type.
Starter will not operate.
Q. Is battery capacity weak or low?
A.  Check battery  condition. Use  battery  of    Q. Are spark plug cap(s) fitted incorrectly?
recommended capacity.
A. Check and re-fit cap(s).
Q. Are battery  connections loose or corrod-     Q. Is ignition wiring damaged  or poorly con-
ed?
nected?
A. Tighten  battery cables and clean  battery    A.  Check wires for  wear or breaks.  Tighten
terminals.
all loose connections.  Replace worn or bro-
ken wires.
Q. Is fuse for electric start relay or electric cir-
cuit blown?
Q. Are ignition parts faulty?
A. Check for  cause of electric overload  and    A. Have serviced by a Yamaha dealer.
repair. Replace fuse with one of correct am-
perage.
Q.  Is  engine  stop   switch  lanyard  not  at-
tached?
Q. Are starter components faulty?
A. Attach lanyard.
A. Have serviced by a Yamaha dealer.
Q. Are engine inner parts damaged?
A. Have serviced by a Yamaha dealer.
Q. Is shift lever in gear?
A. Shift to neutral.
Engine idles irregularly or stalls.
Q.  Are spark  plug(s) fouled  or  of incorrect
type?
Engine will not start (starter operates).
Q. Is fuel tank empty?
A. Fill tank with clean, fresh fuel.
A.  Inspect spark  plug(s).  Clean or  replace
with recommended type.
Q. Is fuel contaminated or stale?
55
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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