MTD 117-142A Lawn Mower Manual

The MTD 117-142A is a powerful lawn mower designed for efficient grass cutting with a 21-inch cutting deck, adjustable cutting heights, and a reliable engine. This manual provides essential information on safety, features, operation, maintenance, and troubleshooting to ensure optimal performance of your lawn mower.

1. Features at a Glance 2. Safety Information 3. Operation Instructions 4. Specifications 5. Maintenance 6. Troubleshooting

Features at a Glance

Key features include: 21-inch cutting deck, 6 adjustable cutting heights, easy-start engine, and ergonomic handle design for comfort.

Feature	Description
Cutting Deck	21-inch steel deck for durability and performance
Cutting Heights	6 adjustable heights from 1 to 4 inches
Engine	Powerful 140cc engine for efficient cutting
Handle	Ergonomic design for comfortable operation
Grass Bag	Large capacity grass bag for easy disposal

Safety Information

Read all safety instructions before operating the mower. Always wear appropriate clothing and safety gear.

Keep hands and feet away from the cutting area.
Do not operate the mower in wet conditions.
Ensure all safety guards are in place before use.
Never leave the mower unattended while running.

Operation Instructions

To operate the MTD 117-142A, follow these steps:

Check fuel and oil levels before starting.
Adjust the cutting height as needed.
Start the engine using the recoil starter.
Guide the mower in a straight line for even cutting.

CAUTION! Always ensure the area is clear of debris before mowing.

Specifications

Cutting Width: 21 inches
Engine: 140cc, 4-stroke
Weight: 60 lbs
Fuel Capacity: 1.5 quarts
Cutting Heights: 1 to 4 inches (6 positions)
Grass Bag Capacity: 1.5 bushels

Maintenance

Regular maintenance is essential for optimal performance:

Check and change the oil every 25 hours of operation.
Clean the air filter regularly.
Sharpen the blades at least once a season.
Inspect the mower for wear and tear before each use.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	No fuel or faulty spark plug	Check fuel level and replace spark plug if necessary.
Uneven cutting	Blades dull or uneven tire pressure	Sharpen blades and check tire pressure.
Excessive vibration	Loose parts or damaged blades	Tighten loose parts and inspect blades for damage.

Service: For further assistance, contact MTD customer support.