Yamaha F6A Manuel D'utilisation page 177

Trouble
C. Engine idles
irregularly or stalls.
D. Warning indicator
lamp lights.
Possible Cause
1. Spark plug(s) fouled or incorrect type.
2. Fuel system obstructed.
3. Fuel contaminated or stale.
4. Fuel filter clogged.
5. Failed ignition parts.
6. Warning system activated.
7. Spark plug gap incorrect.
8. Poor connections or damaged ignition
wiring.
9. Specified engine oil not used.
10. Carburetor adjustments incorrect.
11. Fuel pump damaged.
12. Air vent screw on the fuel tank closed.
13. Choke knob pulled out.
14. Motor angle too high.
15. Carburetor clogged.
16. Fuel joint connection incorrect.
17. Throttle valve adjustment incorrect.
18. Battery lead disconnected.
1. Engine oil level low.
2. Specified engine oil not used.
3. Engine oil contaminated or deterio-
rated.
4. Oil filter clogged.
5. Oil feed/injection pump malfunctions.
1. Inspect spark plug(s). Clean or replace
with recommended type.
2. Check for pinched or kinked fuel line or
other obstructions in fuel system.
3. Fill tank with clean, fresh fuel.
4. Clean or replace filter.
5. Have serviced by a Yamaha dealer.
6. Find and correct cause of warning.
7. Inspect and adjust as specified.
8. Check wires for wear or breaks. Tighten
all loose connections. Replace worn or
broken wires.
9. Check and replace oil as specified.
10. Have serviced by a Yamaha dealer.
11. Have serviced by a Yamaha dealer.
12. Open the air vent screw.
13. Return to home position.
14. Return to normal operating position.
15. Have serviced by a Yamaha dealer.
16. Connect correctly.
17. Have serviced by a Yamaha dealer.
18. Connect securely.
1. Fill oil tank with specified engine oil.
2. Check and replace oil with specified
type.
3. Replace oil with fresh, specified type.
4. Have serviced by a Yamaha dealer.
5. Have serviced by a Yamaha dealer.
5-2
GB
Remedy