Yamaha F225A Owner's Manual page 105

Trouble
C. Engine idles
irregularly or stalls.
D. Warning buzzer
sounds or 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. Thermostat faulty or clogged.
11. Fuel pump damaged.
12. Motor angle too high.
13. Fuel joint connection incorrect.
14. Battery lead disconnected.
1. Cooling system clogged.
2. Engine oil level low.
3. Specified engine oil not used.
4. Engine oil contaminated or deterio-
rated.
5. Oil filter clogged.
6. Oil feed/injection pump malfunctions.
7. Load on boat improperly distributed.
8. Water pump/thermostat faulty.
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. Return to normal operating position.
13. Connect correctly.
14. Connect securely.
1. Check water intake for restriction.
2. Fill oil tank with specified engine oil.
3. Check and replace oil with specified
type.
4. Replace oil with fresh, specified type.
5. Have serviced by a Yamaha dealer.
6. Have serviced by a Yamaha dealer.
7. Distribute load to place boat on an even
plane.
8. Have serviced by a Yamaha dealer.
5-2
E
Remedy