Trouble Recovery
A. Loosen air vent screw.
A. Remove foreign material and clean lower
unit.
Q. Is choke knob pulled out?
A. Return to home position.
Q. Is fuel system obstructed?
A. Check for pinched or kinked fuel line or oth-
er obstructions in fuel system.
Q. Is carburetor clogged?
A. Have serviced by a Yamaha dealer.
Q. Is fuel filter clogged?
A. Clean or replace filter.
Q. Is fuel joint connection incorrect?
A. Connect correctly.
Q. Is fuel contaminated or stale?
A. Fill tank with clean, fresh fuel.
Q. Is throttle cable adjustment incorrect?
A. Have serviced by a Yamaha dealer.
Q. Is spark plug gap incorrect?
A. Replace spark plug.
Engine power loss.
Q. Is propeller damaged?
A. Have propeller repaired or replaced.
Q. Is spark plug wiring damaged or poorly
connected?
Q. Is propeller pitch or diameter incorrect?
A. Check wires for wear or breaks. Tighten all
A. Install correct propeller to operate outboard loose connections. Replace worn or broken
at its recommended speed (r/min) range.
wires.
Q. Is trim angle incorrect?
Q. Are electrical parts malfunctioning?
A. Adjust trim angle to achieve most efficient A. Have serviced by a Yamaha dealer.
operation.
Q. Is specified fuel not being used?
Q. Is outboard motor mounted at incorrect A. Replace fuel with specified type.
height on transom?
A. Have outboard motor adjusted to proper Q. Is specified engine oil not being used?
transom height.
A. Check and replace oil with specified type.
Q. Is boat bottom fouled with marine growth? Q. Is thermostat malfunctioning or clogged?
A. Clean boat bottom.
A. Have serviced by a Yamaha dealer.
Q. Is air vent screw tightened?
Q. Is spark plug fouled or of incorrect type?
A. Inspect spark plug. Clean or replace with A. Loosen air vent screw.
recommended type.
Q. Is fuel pump malfunctioning?
Q. Are weeds or other foreign material tan- A. Have serviced by a Yamaha dealer.
gled on gear housing?
Q. Is fuel joint connection incorrect?
65
| Categories | Yamaha Outboard Manuals |
|---|---|
| Document Type | Boat Motor Manual Free Download. Marine Operator's Boating Guide. |
| Tags | Yamaha F4 F6 |
| Model Year | 2008 |
| 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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