MTD Yard Machines 660 Series Lawn Mower Manual

The MTD Yard Machines 660 Series is a reliable lawn mower designed for efficient grass cutting with a powerful engine, adjustable cutting heights, and user-friendly features. This manual provides essential information on safety, features, operation, maintenance, and troubleshooting.

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

Features at a Glance

The MTD Yard Machines 660 Series lawn mower includes features such as a powerful 160cc engine, 21-inch cutting deck, and 6 adjustable cutting heights for optimal grass length.

Feature	Description
Engine	160cc gas engine for reliable performance
Cutting Deck	21-inch steel deck for durability and efficiency
Cutting Heights	6 adjustable heights from 1 to 3 inches
Grass Bag	Large capacity grass bag for easy disposal
Wheels	Front and rear wheels for smooth maneuverability

Safety Information

Always read the safety instructions before operating the lawn mower. Wear appropriate safety gear, including eye protection and sturdy footwear.

Keep hands and feet away from the cutting blade.
Do not operate on wet grass.
Ensure the area is clear of debris before mowing.

Operation Instructions

To operate the MTD Yard Machines 660 Series, follow these steps:

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

Note: Always turn off the engine before making adjustments.

Specifications

Engine Type: 4-stroke, air-cooled.
Displacement: 160cc.
Cutting Width: 21 inches.
Cutting Heights: 1 to 3 inches (6 positions).
Weight: Approximately 60 lbs.
Fuel Capacity: 1.2 quarts.

Maintenance

Regular maintenance is essential for optimal performance:

Change the oil every 50 hours of operation.
Clean or replace the air filter as needed.
Sharpen the blade at the beginning of each season.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	No fuel	Check fuel level and refill if necessary.
Uneven cutting	Blade dull	Sharpen or replace the blade.
Excessive vibration	Loose parts	Tighten all screws and bolts.
Grass clumping	Wet grass	Mow when grass is dry.

Service: For further assistance, contact MTD customer support.