2005 Yamaha Outboard F250D LF250D Boat Owners Manual

Trouble Recovery
EMU29423
Q. Is fuel filter clogged?
A. Clean or replace filter.
Troubleshooting
A problem in the fuel, compression, or ignition
systems can cause poor starting, loss of pow-
er, or other problems. This section describes
basic checks and possible remedies, and cov-
ers all  Yamaha outboard  motors.  Therefore
some items may not apply to your model.
If your outboard motor requires repair, bring it
to your Yamaha dealer.
Q. Is starting procedure incorrect?
A. See page 30.
Q. Has fuel pump malfunctioned?
A. Have serviced by a Yamaha dealer.
Q.  Are spark  plug(s)  fouled  or of  incorrect
type?
A. Inspect spark plug(s). Clean or replace with
recommended type.
If the engine trouble warning indicator is flash-
ing, consult your Yamaha dealer.
Starter will not operate.
Q. Is battery capacity weak or low?
A. Check battery condition. Use battery of rec-
ommended capacity.
Q. Are spark plug cap(s) fitted incorrectly?
A. Check and re-fit cap(s).
Q. Is ignition  wiring damaged or  poorly con-
nected?
A. Check wires for wear or breaks. Tighten all
loose connections.  Replace worn  or broken
wires.
Q. Are  battery connections  loose or  corrod-
ed?
A. Tighten  battery cables  and clean  battery
terminals.
Q. Is fuse for electric start relay or electric cir-
cuit blown?
A. Check  for cause  of electric overload  and
repair. Replace fuse  with one of correct am-
perage.
Q. Are ignition parts faulty?
A. Have serviced by a Yamaha dealer.
Q.  Is  engine   stop  switch  lanyard   not  at-
tached?
A. Attach lanyard.
Q. Are starter components faulty?
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?
A. Inspect spark plug(s). Clean or replace with
recommended type.
Engine will not start (starter operates).
Q. Is fuel tank empty?
A. Fill tank with clean, fresh fuel.
Q. Is fuel contaminated or stale?
A. Fill tank with clean, fresh fuel.
Q. Is fuel system obstructed?
63
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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- 82 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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