2005 Yamaha Outboard F250D LF250D Boat Owners Manual

Trouble Recovery
Q. Is load on boat improperly distributed?
A. Distribute  load to  place boat  on an even
plane.
A.  Remove foreign  matter  and clean  lower
unit.
Q. Is fuel system obstructed?
Q. Is water pump or thermostat faulty?
A. Have serviced by a Yamaha dealer.
A. Check for pinched or kinked fuel line or oth-
er obstructions in fuel system.
Q. Is there excess water in fuel filter cup?
A. Drain filter cup.
Q. Is fuel filter clogged?
A. Clean or replace filter.
Engine power loss.
Q. Is propeller damaged?
Q. Is fuel contaminated or stale?
A. Fill tank with clean, fresh fuel.
A. Have propeller repaired or replaced.
Q. Is spark plug gap incorrect?
Q. Is propeller pitch or diameter incorrect?
A. Install correct propeller to operate outboard
at its recommended speed (r/min) range.
A. Inspect and adjust as specified.
Q. Is ignition  wiring damaged or  poorly con-
nected?
Q. Is trim angle incorrect?
A. Check wires for wear or breaks. Tighten all
A. Adjust trim angle to achieve  most efficient    loose  connections. Replace  worn or  broken
operation.
wires.
Q. Is  motor  mounted at  incorrect height  on    Q. Have electrical parts failed?
transom?
A. Have serviced by a Yamaha dealer.
A.  Have motor  adjusted  to  proper transom
height.
Q. Is specified fuel not being used?
A. Replace fuel with specified type.
Q. Has warning system activated?
A. Find and correct cause of warning.
Q. Is specified engine oil not being used?
A. Check and replace oil with specified type.
Q. Is boat bottom fouled with marine growth?
A. Clean boat bottom.
Q. Is thermostat faulty or clogged?
A. Have serviced by a Yamaha dealer.
Q.  Are spark  plug(s)  fouled  or of  incorrect
type?
Q. Is air vent screw closed?
A. Inspect spark plug(s). Clean or replace with  A. Open the air vent screw.
recommended type.
Q. Is fuel pump damaged?
Q. Are weeds or other foreign matter tangled     A. Have serviced by a Yamaha dealer.
on gear housing?
Q. Is fuel joint connection incorrect?
65
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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