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?
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| Categories | Yamaha Outboard Manuals |
|---|---|
| Document Type | Boat Motor Manual Free Download. Marine Operator's Boating Guide. |
| Tags | Yamaha F75, Yamaha F90 |
| Model Year | 2007 |
| 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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