TROUBLESHOOTING POINTS
PROBLEM | CAUSE |
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Will not start | 1. | Out of fuel. | 1. | Fill fuel tank. |
| 2. | Engine not “CHOKED” properly. | 2. | See “TO START ENGINE” in Operation section. |
| 3. | Engine flooded. | 3. | Wait several minutes before attempting to start. |
| 4. | Bad spark plug. | 4. | Replace spark plug. |
| 5. | Dirty air filter. | 5. | Clean/replace air filter. |
| 6. | Dirty fuel filter. | 6. | Replace fuel filter. |
| 7. | Water in fuel. | 7. | Drain fuel tank and carburetor, refill tank with fresh |
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| gasoline and replace fuel filter. |
| 8. | Loose or damaged wiring. | 8. | Check all wiring. |
| 9. | Carburetor out of adjustment. | 9. | See “To Adjust Carburetor” in Service Adjustments |
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| 10. | Engine valves out of adjustment. | 10. | Contact an authorized service center/department. |
| 11. | Extreme cold conditions. | 11. | See "To start engine" in operation section |
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Hard to start | 1. | Dirty air filter. | 1. | Clean/replace air filter. |
| 2. | Bad spark plug. | 2. | Replace spark plug. |
| 3. | Weak or dead battery. | 3. | Recharge or replace battery. |
| 4. | Dirty fuel filter. | 4. | Replace fuel filter. |
| 5. | Stale or dirty fuel. | 5. | Drain fuel tank and refill with fresh gasoline. |
| 6. | Loose or damaged wiring. | 6. | Check all wiring. |
| 7. | Carburetor out of adjustment. | 7. | See “To Adjust Carburetor” in Service Adjustments |
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| 8. | Engine valves out of adjustment. | 8. | Contact an authorized service center/department. |
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Engine will not turn over | 1. | Brake pedal not depressed. | 1. | Depress brake pedal. |
| 2. | Attachment clutch is engaged. | 2. | Disengage attachment clutch. |
| 3. | Weak or dead battery. | 3. | Recharge or replace battery. |
| 4. | Blown fuse. | 4. | Replace fuse. |
| 5. | Corroded battery terminals. | 5. | Clean battery terminals. |
| 6. | Loose or damaged wiring. | 6. | Check all wiring. |
| 7. | Faulty ignition switch. | 7. | Check/replace ignition switch. |
| 8. | Faulty solenoid or starter. | 8. | Check/replace solenoid or starter. |
| 9. | Faulty operator presence switch(es). | 9. | Contact an authorized service center/department. |
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Engine clicks but will not | 1. | Weak or dead battery. | 1. | Recharge or replace battery. |
start | 2. | Corroded battery terminals. | 2. | Clean battery terminals. |
| 3. | Loose or damaged wiring. | 3. | Check all wiring. |
| 4. | Faulty solenoid or starter. | 4. | Check/replace solenoid or starter. |
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Loss of power | 1. | Cutting too much grass/too fast. | 1. | Set in “Higher Cut” position/reduce speed. |
| 2. | Throttle in “CHOKE” position. | 2. | Adjust throttle control. |
| 3. | 3. | Clean underside of mower housing. | |
| 4. | Dirty air filter. | 4. | Clean/replace air filter. |
| 5. | Low oil level/dirty oil. | 5. | Check oil level/change oil. |
| 6. | Faulty spark plug. | 6. | Clean and regap or change spark plug. |
| 7. | Dirty fuel filter. | 7. | Replace fuel filter. |
| 8. | Stale or dirty fuel. | 8. | Drain fuel tank and refill with fresh gasoline. |
| 9. | Water in fuel. | 9. | Drain fuel tank and carburetor, refill tank with fresh |
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| gasoline and replace fuel filter. |
| 10. | Spark plug wire loose. | 10. | Connect and tighten spark plug wire. |
| 11. | Dirty engine air screen/fins. | 11. | Clean engine air screen/fins. |
| 12. | Dirty/clogged muffler. | 12. | Clean/replace muffler. |
| 13. | Loose or damaged wiring. | 13. | Check all wiring. |
| 14. | Carburetor out of adjustment. | 14. | See “To Adjust Carburetor” in Service Adjustments |
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| 15. | Engine valves out of adjustment. | 15. | Contact an authorized service center/department. |
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Excessive vibration | 1. | Worn, bent or loose blade. | 1. | Replace blade. Tighten blade bolt. |
| 2. | Bent blade mandrel. | 2. | Replace blade mandrel. |
| 3. | Loose/damaged part(s). | 3. | Tighten loose part(s). Replace damaged parts. |
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