SECTION 8: TROUBLESHOOTING
Problem |
| Cause |
| Remedy |
|
|
|
|
|
Engine fails to start | 1. | Spark plug wire disconnected. | 1. | Connect wire to spark plug. |
| 2. | Fuel tank empty or stale fuel. | 2. | Fill tank with clean, fresh gasoline. |
| 3. | Throttle control lever not in correct | 3. | Move throttle lever to FAST or START |
|
| starting position. (If Equipped) |
| position. |
| 4. | Blocked fuel line. | 4. | Clean fuel line. |
| 5. | Faulty spark plug. | 5. | Clean, adjust gap, or replace. |
| 6. | Engine flooded | 6. | Wait a few minutes to restart, but do not |
|
|
|
| prime. |
Engine runs erratic | 1. | Spark plug wire loose. | 1. | Connect and tighten spark plug wire. |
| 2. | Blocked fuel line or stale fuel. | 2. | Clean fuel line; fill tank with clean, fresh |
|
|
|
| gasoline |
| 3. | Vent in gas cap plugged. | 3. | Clear vent. |
| 4. | Water or dirt in fuel system. | 4. | Drain fuel tank. Refill with fresh fuel. |
| 5. | Dirty air cleaner. | 5. | Replace air cleaner. |
| 6. | Carburetor out of adjustment. | 6. | See authorized service dealer. |
Engine overheats | 1. | Engine oil level low. | 1. | Fill crankcase with proper oil. |
| 2. | Dirty air cleaner. | 2. | Replace air cleaner. |
| 3. | Air flow restricted. | 3. | Remove blower housing and clean. |
| 4. | Carburetor not adjusted properly. | 4. | See authorized service dealer. |
Occasional skip (hesitates) | 1. | Spark plug gap too close. | 1. | Adjust gap to.030”. |
at high speed |
|
|
|
|
Idles poorly | 1. | Spark plug fouled, faulty or gap too | 1. | Reset gap to.030” or replace spark |
|
| wide. |
| plug. |
| 2. | Carburetor improperly adjusted. | 2. | See authorized service dealer. |
| 3. | Dirty air cleaner. | 3. | Replace air cleaner. |
Poor trimming | 1. | Trimmer string too short. | 1. | Replace trimmer string. |
performance | 2. | Trimmer string lengths are | 2. | Adjust trimmer string to equal lengths. |
|
| substantially different. |
|
|
| 3. | Dirty air cleaner. | 3. | Replace air cleaner. |
| 4. | Engine not at FULL throttle. | 4. | Set engine to FULL throttle. |
|
|
|
| (If Equipped) |
| 5. | Belt does not have enough tension. | 5. | Check idler for proper belt tension. |
NOTE: For repairs beyond the minor adjustments listed above, contact your nearest authorized service dealer.
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