Toro 21-inch 20765 Operator's Manual

Pages 28

Year 1980

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Toro 21-inch 20765 Mower Specification

The Toro 21-inch 20765 Mower is a high-performance lawn mower designed for residential use, offering a blend of efficiency, durability, and ease of operation. It features a robust 163cc Briggs & Stratton engine, which provides reliable power and performance to tackle a variety of grass conditions. The mower's 21-inch cutting width ensures efficient coverage, reducing the time and effort required for mowing medium to large lawns.

Equipped with Toro's Recycler Cutting System, the 20765 Mower finely mulches grass clippings, returning valuable nutrients to the lawn and promoting healthier grass growth. The machine also offers a 3-in-1 cutting option, allowing users to choose between mulching, side discharge, or rear bagging, providing flexibility to match different lawn care preferences.

To enhance user comfort and convenience, the mower includes an adjustable cutting height system with several positions, enabling precise control over grass length. Its lightweight yet durable steel deck construction ensures longevity while maintaining easy maneuverability. The mower's handle is ergonomically designed, reducing operator fatigue during extended use, and it can be adjusted to accommodate different user heights.

The Toro 20765 Mower incorporates a compact design, making it easy to store when not in use. It is also equipped with a washout port for convenient cleaning of the deck, ensuring optimal performance and longevity. With its combination of advanced features, reliable engine, and user-friendly design, the Toro 21-inch 20765 Mower is an excellent choice for homeowners seeking a powerful and versatile lawn care tool.

Toro 21-inch 20765 Mower F.A.Q.

How do I start the Toro 21-inch 20765 Mower?

To start the Toro 21-inch 20765 Mower, ensure the fuel valve is open, set the choke to the 'on' position if the engine is cold, and pull the starter handle briskly. Once the engine starts, gradually move the choke to the 'off' position.

What type of oil should I use for the Toro 21-inch 20765 Mower?

Use SAE 30 oil for optimal performance in temperatures above 32°F (0°C). For temperatures below 32°F (0°C), use SAE 5W-30 oil. Ensure the oil level is checked regularly and maintained at the proper level.

How often should I sharpen the mower blade?

Sharpen the mower blade at least once a year or more frequently if you notice uneven cutting or if the blade encounters rocks or debris. A sharp blade ensures a clean cut and promotes lawn health.

What should I do if the mower won't start?

If the mower won't start, check the fuel level and ensure fresh fuel is used. Verify that the spark plug is clean and properly connected. Additionally, check the air filter for dirt and replace if necessary.

How do I clean the Toro 21-inch 20765 Mower after use?

After use, allow the engine to cool, then use a hose to rinse the underside of the mower deck. Avoid spraying water directly on the engine. Dry the mower thoroughly to prevent rust and store it in a dry place.

How can I adjust the cutting height on my Toro mower?

Adjust the cutting height by using the height adjustment levers located on each wheel. Move the levers to the desired notch corresponding to the cutting height you prefer. Ensure all wheels are set to the same height for an even cut.

What maintenance should be performed at the end of the mowing season?

At the end of the mowing season, change the oil, clean or replace the air filter, inspect and sharpen the blade, and drain the fuel tank or add a fuel stabilizer. Store the mower in a dry, sheltered location.

How do I replace the spark plug on the Toro 21-inch 20765 Mower?

To replace the spark plug, disconnect the spark plug wire, use a spark plug wrench to remove the old plug, and install a new plug with the correct gap setting. Reattach the spark plug wire securely.

What should I do if the mower vibrates excessively during operation?

Excessive vibration may be caused by an unbalanced or damaged blade. Stop the mower, disconnect the spark plug, and inspect the blade. If damaged, replace it; if unbalanced, sharpen and balance the blade.

How can I improve the mower's fuel efficiency?

To improve fuel efficiency, regularly clean or replace the air filter, ensure the spark plug is in good condition, and maintain a sharp blade. Avoid mowing wet grass, as it can increase engine load and fuel consumption.