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Yardmax Dual Rotating Rear Tine Tiller YT4565 Troubleshooting

Problem

Engine fails to start.

Cause

1. Spark plug wire is disconnected

2. Out of fuel or stale fuel

3. Engine and/or Fuel valve is not in

ON position

4. Choke lever is not in CLOSE position

5. Blocked fuel line

6. Fouled spark plug

7. Engine flooding

8. Belt tension lever is engaged

Remedy1. Foreign object lodged in tines.

2. Tine clevis pin(s) missing.

3. B elt worn and/or stretched.

4. Pulley and idler not in correct

adjustment.

1. Attach spark plug wire securely to spark plug

2. Fill with clean, fresh gasoline

3. Engine and Fuel valve must be in ON position

4. Choke level must be in CLOSE position for a cold start

5. Clean fuel line

6. Clean, adjust gap, or replace

7. Wait a few minutes to restart, but do not prime

8. Disengage the belt tension lever

Tine Tiller Tiller Moves Forward During Starting

Problem

Engine runs erratically

Cause

1. Spark plug wire is loose

2. Unit running with Choke lever in

CLOSE position

3. Blocked fuel line or stale fuel

4. Vent plugged

5. Water or dirt in fuel system

6. Dirty air cleaner

7. Improper carburetor adjustment

Remedy

1. Connect and tighten spark plug wire

2. Move choke lever to OPEN position

3. Clean fuel line. Fill tank with clean, fresh gasoline

4. Clear vent

5. Drain fuel tank. Refill with fresh fuel

6. Clean or replace air cleaner

7. Refer to engine manual

Problem

Engine overheats

Cause

1. Engine oil level low

2. Dirty air cleaner

3. Air flow restricted

4. Carburetor not adjusted properly

Remedy

1. Fill crankcase with proper oil

2. Clean air cleaner

3. Remove housing and clean

4. Refer to engine manual

Tine Tiller Engine Fails To Start

Problem

Engine will not stop when throttle control is positioned at stop, or engine speed does not increase properly when throttle control is adjusted.

Cause

1. Debris interfering with throttle linkage.

2. Improper throttle linkage adjustment

Remedy

1. Clean dirt and debris.

2. Refer to Engine Manual to check and adjust throttle linkage.

Problem

Tiller moves forward during starting.

Cause

Tine clutch control not in neutral position.

Remedy

Tine clutch control lever must be released to neutral to start the engine.

Problem

Tiller is difficult to control when tilling (machine jumps or lurches forward).

Cause

1. Improper tilling depth setting.

2. Too high engine speed on hard ground.

Remedy

1. Raise the tines for shallower tilling by raising the depth regulator rod.

2. Set the throttle lever at lower speed.

Problem

Tines do not engage.

Cause

1. Foreign object lodged in tines.

2. Tine clevis pin(s) missing.

3. B elt worn and/or stretched.

4. Pulley and idler not in correct adjustment.

Remedy

1. Stop tiller completely, check and discard foreign object.

2. Replace tine clevis pin(s).

3. Replace belt.

4. Contact dealer.

Ask me about:

• Tine Tiller Troubleshooting
• Tine Tiller Engine Fails To Start
• Tine Tiller Tiller Moves Forward During Starting
• Tine Tiller Is Difficult To Control When Tilling
• Tine Tiller Tines Do Not Engage
• Tine Tiller Engine Runs Erratically

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