5-2
E
B. Engine idles
irregularly or stalls.
Trouble
Possible Cause
Remedy
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. Spark plug gap incorrect.
7. Poor connections or damaged
ignition wiring.
8. Specified engine oil not used.
9. Thermostat faulty or clogged.
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.
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. Inspect and adjust as specified.
7. Check wires for wear or breaks.
Tighten all loose connections.
Replace worn or broken wires.
8. Check and replace oil as specified.
9. Have serviced by a Yamaha
dealer.
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.
6A1-9-1L 5 4/20/01 11:49 AM Page 3
Summary of Contents for 2A
Page 1: ...2A 3A 5A LIT 18626 04 51 2A 3A 5A OWNER S MANUAL U S A Edition ...
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Page 34: ...E MEMO ...
Page 79: ...4 16 E EMU00366 GREASING Yamaha marine grease Water resistant grease 2 103081 ...
Page 80: ...4 17 E EMU00366 GREASING Yamaha marine grease Water resistant grease 3 103082 ...
Page 81: ...4 18 E EMU00366 GREASING Yamaha marine grease Water resistant grease 5 103091 ...
Page 99: ...1 2 3 4 5 6 E EMP00010 Chapter 6 INDEX INDEX 6 1 ...
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Page 111: ...2A 3A 5A OWNER S MANUAL ...