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Service Engine


Avoid Fumes

c CAUTION: Avoid injury! Engine exhaust fumes contain carbon monoxide and can cause serious illness or death.

Move the machine to an outside area before running the engine.

Do not run an engine in an enclosed area without adequate ventilation.

• Connect a pipe extension to the engine exhaust pipe to direct the exhaust fumes out of the area.

• Allow fresh outside air into the work area to clear the exhaust fumes out.

Engine Oil

Use oil viscosity based on the expected air temperature range during the period between oil changes.



The following John Deere oils are preferred:

• TURF-GARD™

• PLUS- 4™

Other oils may be used if above John Deere oils are not available, provided they meet the following specification:

• API Service Classification SG or higher

Checking Engine Oil Level

IMPORTANT: Avoid damage! Failure to check the oil level regularly could lead to serious engine problems if oil level is out of the operating range:

• Check oil level before operating.

• Check oil level when the engine is cold and not running.

• Keep oil level between the dipstick marks.

• Shut off engine before adding oil.


1. Park the vehicle safely. (See Parking Safely in the SAFETY section.)

2. Raise and secure cargo box.

IMPORTANT: Avoid damage! Dirt and contamination can enter engine when checking oil level. Clean area around dipstick before removing.



MX33446

3. Remove dipstick (A) and wipe it clean.

4. Install dipstick.

5. Remove dipstick.

6. Checking oil level:

• Oil level must be between upper and lower fill marks on dipstick.

• If oil level is below lower mark on dipstick, add oil to bring oil level no higher than upper mark on dipstick.

• If oil level is above upper mark, drain to proper level. Determine cause of this condition and correct.

7. Install dipstick.

8. Lower the cargo box.

Changing Engine Oil and Filter

IMPORTANT: Avoid damage! Change the oil more often if the vehicle is used in extreme conditions:

• Extremely dusty conditions.

• Frequent slow or low-speed operation.

• Frequent short trips.


1. Run engine to warm the oil.

2. Park the vehicle safely. (See Parking Safely in the SAFETY section.)

3. Raise and secure cargo box.

4. Clean any debris around drain plug.

5. Place drain pan under engine drain plug.


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6. Remove drain plug (A) on the rear side of engine and drain oil into oil drain pan. Allow oil to drain completely.


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7. Remove and discard oil filter (B) on rear of engine. Wipe off filter base on engine.

8. Put a light coat of clean engine oil on gasket of new oil filter.

9. Install new filter until rubber gasket contacts filter base. Tighten filter an additional one-half turn.

10. Install drain plug, and tighten to 6.9 N•m (61 lb-in.).


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11. Remove dipstick (C) from filler tube, and add engine oil.

IMPORTANT: Avoid damage! Do not overfill crankcase with oil. Oil capacities given are with engine and crankcase completely dry. Some oil will remain in engine after draining.


12. Add oil no higher than upper mark on dipstick. Do not overfill.

• 1.3 L (1.37 qt)

13. Install dipstick.

14. Start and run engine at idle to check for leaks. Stop engine. Fix any leaks before operating.

15. Check oil level, add oil if necessary.

16. Lower the cargo box.

Cleaning Rubber Dust Unloading Valve

IMPORTANT: Avoid damage! Do not operate engine without air cleaner element and rubber dust unloading valve installed.


1. Park the vehicle safely. (See Parking Safely in the SAFETY section.)


MX30612, MX33447

Picture Note: The air cleaner canister cover is removed for clarity only. Removal of the canister cover or dust unloading valve is not required.

2. Locate dust unloading valve (A) attached to the front of the air cleaner canister.

3. Visually check dust unloading valve (A). Replace with new valve if worn, damaged, or missing.

4. Pinch corners (B) to allow any dirt or debris to fall out of the valve.

Servicing Air Cleaner Element

IMPORTANT: Avoid damage! Dirt and debris can enter engine when air cleaner canister is opened. Do not open canister unless required for scheduled service. This will keep contamination of the intake system to a minimum.

Check filter element more frequently if operating in dusty conditions.


1. Park the vehicle safely. (See Parking Safely in the SAFETY section.)

2. Allow engine to cool.


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3. Release latches (A) and remove air cleaner canister cover (B).

4. Remove and discard filter element. Replace with a new filter element.

5. Install air cleaner canister cover with rubber dust unloading valve pointing downward. Check direction molded into canister cover for proper installation.

6. Hook the canister cover latches.

Checking Air Intake, Hoses and Clamps

1. Park the vehicle safely. (See Parking Safely in the SAFETY section.)

2. Raise and secure cargo box.


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3. Check intake hose (A) for damage or cracking. Replace if necessary.

4. Check and tighten air intake hose clamps (B) as needed.

5. Raise passenger seat, and remove service access panel.


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6. Check to make sure air intake restrictor (C) is clear of obstructions and secured in position.

7. Lower the cargo box, install service access panel, and lower passenger seat.

Checking Spark Plug

c CAUTION: Avoid injury! Touching hot surfaces can burn skin. The engine, components, and fluids will be hot if the engine has been running. Allow the engine to cool before servicing or working near the engine and components.

1. Park the vehicle safely. (See Parking Safely in the SAFETY section.)

2. Raise and secure cargo box.

3. Disconnect spark plug wire(s).

4. Remove spark plug(s) using appropriate spark plug socket.

5. Inspect spark plug(s) for:

• Cracked porcelain.

• Pitted or damaged electrodes.

• Other wear or damage.

6. Clean spark plug(s) carefully with a wire brush.

NOTE: In Canada, replace with resistor spark plug only.

7. Replace spark plug(s) if necessary.


M85200A

8. Check and adjust spark plug gap (A):

• Gap must be 0.80 mm (0.031 in.).

9. Install and tighten spark plug(s). Tighten to 25 N•m (18 lb-ft).

10. Install spark plug wire(s).

11. Lower the cargo box.

Replacing Fuel Filter

c CAUTION: Avoid injury! Fuel vapors are explosive and flammable:

• Do not smoke while handling fuel.

• Keep fuel away from flames or sparks.

• Shut off engine before servicing.

• Cool engine before servicing.

• Work in a well-ventilated area.

• Clean up spilled fuel immediately.

1. Park the vehicle safely. (See Parking Safely in the SAFETY section.)

2. Raise and secure cargo box.


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3. Locate the fuel filter (A).

4. Check element of fuel filter for debris. Replace if dirt or sediment is visible on element.

5. Slide hose clamps away from the fuel filter.

6. Place a drain pan or cloth under hoses to catch any fuel left in hoses.

7. Disconnect hoses from the filter.

NOTE: Install fuel filter with arrow pointing in direction of fuel flow towards the engine.

8. Install new filter.

9. Connect hoses to new filter.

10. Install clamps.

11. Lower the cargo box.

Adjusting Carburetor

NOTE: Carburetor is calibrated by the engine manufacturer and is not adjustable.

If engine is operated at altitudes above 1829 m (6,000 ft), some carburetors may require a special high altitude main jet. See your authorized dealer.

If engine is hard to start or runs rough, check the troubleshooting section of this manual.

Possible engine surging will occur at high throttle with transmission in “N” neutral. This is a normal condition due to the emission control system.

After performing the checks in the troubleshooting section and your engine is still not performing correctly, contact your authorized dealer.

Cleaning Engine Compartment

c CAUTION: Avoid injury! Touching hot surfaces can burn skin. The engine, components, and fluids will be hot if the engine has been running. Allow the engine to cool before servicing or working near the engine and components.

1. Park the vehicle safely. (See Parking Safely in the SAFETY section.)

2. Raise and secure cargo box.

IMPORTANT: Avoid damage! Do not spray water on a hot engine or transaxle. Damage may occur to cast aluminum parts. Allow engine to cool before servicing.


3. Remove any debris in engine compartment.

4. Check and remove any obstructions around the control cables and linkages.

Cleaning Frame Screen

1. Park the vehicle safely. (See Parking Safely in the SAFETY section.)

IMPORTANT: Avoid damage! An obstructed air intake screen can cause engine damage due to overheating. Keep air intake screen and other external surfaces of the engine, including cooling fins, clean at all times to allow adequate air intake.



MX33870

2. Check screen (A) for dirt, grass clippings and debris.

3. Clean screen by washing or with a brush or cloth.

Checking Spark Arrestor

c CAUTION: Avoid injury! Touching hot surfaces can burn skin. The engine, components, and fluids will be hot if the engine has been running. Allow the engine to cool before servicing or working near the engine and components.

1. Park the vehicle safely. (See Parking Safely in the SAFETY section.)

2. Allow engine to cool completely.

3. Raise and secure cargo box.


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4. Remove screw securing spark arrestor (A) to muffler exhaust pipe. Retain the screw.

5. Remove spark arrestor.

6. Make sure deflector screen inside arrestor is not plugged or damaged:

• If plugged, spray with carburetor/choke cleaner and blow dry with low pressure compressed air.

• If damaged, replace spark arrestor.

7. Install spark arrestor with original hardware.