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 ignition parts failed?
transom?
A. Have serviced by a Yamaha dealer.
A. Have motor adjusted to proper transom
height.
Q. Is specified engine oil not being used?
A. Check and replace oil with specified type.
Q. Has warning system activated?
A. Find and correct cause of warning.
Q. Is thermostat faulty or clogged?
A. Have serviced by a Yamaha dealer.
Q. Is boat bottom fouled with marine growth?
A. Clean boat bottom.
Q. Is air vent screw closed?
A. Open the air vent screw.
Q. Are spark plug(s) fouled or of incorrect
type?
Q. Is fuel pump damaged?
A. Inspect spark plug(s). Clean or replace with A. Have serviced by a Yamaha dealer.
recommended type.
Q. Is fuel joint connection incorrect?
Q. Are weeds or other foreign matter tangled A. Connect correctly.
on gear housing?
Q. Is heat range of spark plug incorrect?
47
| Categories | Yamaha Outboard Manuals |
|---|---|
| Document Type | Boat Motor Manual Free Download. Marine Operator's Boating Guide. |
| Tags | Yamaha 15D, Yamaha 9.9D |
| Model Year | 2005 |
| Download File |
|
| Language | English |
| Product Brand | Yamaha 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 Type | |
| Publisher | yamaha-motor.com |
| Wikipedia's Page | Yamaha Motor Company |
| Copyright | Attribution Non-commercial |
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