
TROUBLESHOOTING POINTS
PROBLEM | 
  | CAUSE | 
  | CORRECTION | 
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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 the Operation section.  | 
  | 3.  | Engine flooded.  | 3.  | Wait several minutes before attempting to start.  | 
  | 4.  | Dirty air cleaner.  | 4.  | Clean or replace air cleaner cartridge.  | 
  | 5.  | Water in fuel.  | 5.  | Empty fuel tank and carburetor, and refill tank with  | 
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  | fresh gasoline.  | 
  | 6.  | Clogged fuel tank.  | 6.  | Remove fuel tank and clean.  | 
  | 7.  | Loose spark plug wire.  | 7.  | Make sure spark plug wire is seated properly on  | 
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  | plug.  | 
  | 8.  | Bad spark plug or improper gap.  | 8.  | Replace spark plug or adjust gap.  | 
  | 9.  | Carburetor out of adjustment.  | 9.  | Make necessary adjustments.  | 
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Hard to start | 1.  | Throttle control not set properly.  | 1.  | Place throttle control in “FAST” position.  | 
  | 2.  | Dirty air cleaner.  | 2.  | Clean or replace air cleaner cartridge.  | 
  | 3.  | Bad spark plug or improper gap.  | 3.  | Replace spark plug or adjust gap.  | 
  | 4.  | Stale or dirty fuel.  | 4.  | Empty fuel tank and refill with fresh gasoline.  | 
  | 5.  | Loose spark plug wire.  | 5.  | Make sure spark plug wire is seated properly on  | 
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  | plug.  | 
  | 6.  | Carburetor out of adjustment.  | 6.  | Make necessary adjustments.  | 
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Loss of power | 1.  | Engine is overloaded.  | 1.  | Set depth stake and wheels for shallower tilling.  | 
  | 2.  | Dirty air cleaner.  | 2.  | Clean or replace air cleaner cartridge.  | 
  | 3.  | Low oil level/dirty oil.  | 3.  | Check oil level/change oil.  | 
  | 4.  | Faulty spark plug.  | 4.  | Clean and regap or change spark plug.  | 
  | 5.  | Oil in fuel.  | 5.  | Empty and clean fuel tank and refill, and clean  | 
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  | carburetor.  | 
  | 6.  | Stale or dirty fuel.  | 6.  | Empty fuel tank and refill with fresh gasoline.  | 
  | 7.  | Water in fuel.  | 7.  | Empty fuel tank and carburetor, and refill tank with  | 
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  | fresh gasoline.  | 
  | 8.  | Clogged fuel tank.  | 8.  | Remove fuel tank and clean.  | 
  | 9.  | Spark plug wire loose.  | 9.  | Connect and tighten spark plug wire.  | 
  | 10.  | Dirty engine air screen.  | 10.  | Clean engine air screen.  | 
  | 11.  | Dirty/clogged muffler.  | 11.  | Clean/replace muffler.  | 
  | 12.  | Carburetor out of adjustment.  | 12.  | Make necessary adjustments.  | 
  | 13.  | Poor compression.  | 13.  | Contact an authorized service center/department.  | 
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Engine overheats | 1.  | Low oil level/dirty oil.  | 1.  | Check oil level/change oil.  | 
  | 2.  | Dirty engine air screen.  | 2.  | Clean engine air screen.  | 
  | 3.  | Dirty engine.  | 3.  | Clean cylinder fins, air screen, muffler area.  | 
  | 4.  | Partially plugged muffler.  | 4.  | Remove and clean muffler.  | 
  | 5.  | Improper carburetor adjustment.  | 5.  | Adjust carburetor to richer position.  | 
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Excessive bounce/  | 1.  | Ground too dry and hard.  | 1.  | Moisten ground or wait for more favorable soil  | 
difficult handling  | 
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  | conditions.  | 
  | 2.  | Wheels and depth stake incorrectly adjusted.  | 2.  | Adjust wheels and depth stake.  | 
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Soil balls up or clumps  | 1.  | Ground too wet.  | 1.  | Wait for more favorable soil conditions.  | 
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Engine runs but tiller  | 1.  | Tine control is not engaged.  | 1.  | Engage tine control.  | 
won’t move  | 2.  | 2.  | Inspect/adjust   | |
  | 3.  | 3.  | Inspect   | |
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Engine runs but labors  | 1.  | Tilling too deep.  | 1.  | Set depth stake for shallower tilling.  | 
when tilling | 2.  | Throttle control not properly adjusted.  | 2.  | Check throttle control setting.  | 
  | 3.  | Carburetor out of adjustment.  | 3.  | Make necessary adjustments.  | 
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