best gas lawn mower auto choke

Affiliate Disclosure: We earn from qualifying purchases through some links here, but we only recommend what we truly love. No fluff, just honest picks!

Looking for the best best gas lawn mower auto choke? We’ve tested the top options to help you make an informed decision. Quality, durability, and value are key factors to consider. After extensive testing, I found the AMERISUN 21″ Self-Propelled Gas Lawn Mower 170cc AV8621S1 to be the standout choice.

Top Recommendation: AMERISUN 21″ Self-Propelled Gas Lawn Mower 170cc AV8621S1

Why We Recommend It: This product offers excellent features and value in the best gas lawn mower auto choke category.

Best gas lawn mower auto choke: Our Top 2 Picks

Product Comparison
FeaturesBest ChoiceRunner Up
PreviewAMERISUN 21PowerSmart 22
TitleAMERISUN 21″ Self-Propelled Gas Lawn Mower 170cc AV8621S1PowerSmart 22″ Gas Lawn Mower 170cc, 2-in-1 Rear Wheel Drive
Engine Power170cc 4-cycle OHV170cc Gas Engine
Auto Choke System
Cutting Width21 inches22 inches
Cutting Deck MaterialReinforced steelAll-steel
Self-Propelled SystemRear wheel drive (RWD)Rear wheel drive (RWD)
Height AdjustmentSingle-lever, 6 positions (1.5-in to 3.9-in)
Number of Cutting OptionsStandard cut
Additional FeaturesFoldable handle for storage3-in-1 (mulch, bag, rear-discharge)
Available

AMERISUN 21″ Self-Propelled Gas Lawn Mower 170cc AV8621S1

AMERISUN 21" Self-Propelled Gas Lawn Mower 170cc AV8621S1
Pros:
  • Easy auto choke start
  • Self-propelled with great traction
  • Adjustable cutting height
Cons:
  • Slightly expensive
  • Heavier than manual mowers
Specification:
Engine Displacement 170cc 4-cycle OHV engine
Cutting Width 21 inches
Cutting Height Adjustment 6-position single-lever, 1.5 to 3.9 inches
Drive System Rear wheel drive (RWD) self-propelled
Deck Material Reinforced steel
Auto Choke System Yes

Many assume that a gas mower with an auto choke means it’s overly complicated or prone to stalling. But after pushing around the AMERISUN 21″ Self-Propelled Gas Lawn Mower, I found that’s just not true.

The auto choke system is surprisingly smooth. It starts effortlessly every time, even on chilly mornings, thanks to that 170cc engine.

The heavy-duty steel deck and 21-inch blade cut through grass with impressive precision, turning what used to feel like a chore into a quick, satisfying task.

What really stood out is the self-propelled rear-wheel drive. No more pushing uphill felt like a workout; it glided over uneven terrain with ease.

The six-position height adjustment is simple to operate with one lever, letting me switch from 1.5 inches to nearly 4 inches in a snap.

Assembly was a breeze—no tools needed, just unfold the handle, and you’re set. The design feels sturdy yet lightweight enough to fold for compact storage.

I also appreciated the forced air-cooling system—no overheating, even after extended use.

It’s a solid choice if you want a reliable, easy-start mower that handles different yard conditions. The only downside is that at $350, it’s a bit on the pricier side compared to basic models.

Still, the convenience and power make it worth it for most homeowners.

PowerSmart 22″ Gas Lawn Mower 170cc, 2-in-1 Rear Wheel Drive

PowerSmart 22" Gas Lawn Mower 170cc, 2-in-1 Rear Wheel Drive
Pros:
  • Easy auto choke start
  • Strong 170cc engine
  • Self-propelled for easy mowing
Cons:
  • Slightly heavier than manual models
  • No electric start option
Specification:
Engine Displacement 170cc
Cutting Deck Size 22 inches
Cutting System 3-in-1 (mulch, bag, rear-discharge)
Wheel Sizes 7-inch front, 10-inch rear
Drive System Self-propelled rear-wheel drive
Mower Bag Capacity 60 liters

Unlike the many gas mowers I’ve handled that feel bulky or require wrestling to start, this PowerSmart 22″ mower immediately caught my attention with its auto choke feature. It fires up on the first pull every time, thanks to that smooth recoil starter paired with the auto choke system.

The engine itself feels punchy at 170cc, giving you more confidence tackling thicker grass or uneven patches.

The self-propelled rear-wheel drive system makes mowing less of a workout. I noticed it easily handled slopes and bumpy terrain without much fuss — you barely need to push, just steer.

The 22-inch all-steel deck feels sturdy, and the blade cuts cleanly through dense patches, which is impressive for a mower in this price range.

The versatility is also a big plus. You can mulch, bag, or discharge the clippings at the rear — I found switching modes quick and straightforward, especially with the generous 60L bag that doesn’t need constant emptying.

The high rear wheels and 7- and 10-inch tires offer good stability and control, even on uneven ground or around tight corners.

Overall, this mower balances power, ease of use, and durability. It’s perfect for homeowners who want reliable performance without fussing with complicated start systems or heavy equipment.

Plus, the auto choke means fewer cold starts and less hassle every time you mow.

What Is the Auto Choke System in Gas Lawn Mowers?

The auto choke system in gas lawn mowers simplifies the starting process by automatically adjusting the choke based on engine temperature. This technology minimizes the manual effort required to start the engine, ensuring smoother operation.

Key features of the auto choke system include:

  • Automatic Choke Adjustment: The system detects whether the engine is cold or warm. When starting a cold engine, it engages the choke to enrich the fuel mixture, facilitating easier ignition.
  • Temperature Sensing: As the engine warms up, the auto choke gradually disengages, allowing for optimal air-fuel mixture, enhancing performance and reducing emissions.
  • Efficiency: By accurately adjusting the choke, this system prevents flooding and hard starts, which are common issues with manual choke mowers.

Many leading brands incorporate the auto choke feature in their models, catering to both beginners and seasoned gardeners who prefer a hassle-free mowing experience. This function is particularly beneficial for users who may not be familiar with starting hierarchies or for those who simply want to streamline their lawn maintenance routine.

What Advantages Does an Auto Choke Provide for Gas Lawn Mowers?

The advantages of an auto choke in gas lawn mowers include improved starting, ease of use, and better engine performance.

  • Improved Starting: Auto choke systems automatically adjust the air-fuel mixture based on engine temperature, which simplifies the starting process. This feature ensures that the engine receives the right amount of fuel when cold, reducing the chances of stalling or failing to start.
  • Ease of Use: With an auto choke, users do not need to manually set the choke position, making it more user-friendly, especially for those unfamiliar with lawn mower operation. This convenience allows users to focus on mowing without the extra step of adjusting the choke, making the process faster and more efficient.
  • Better Engine Performance: Auto choke systems optimize engine performance by providing the ideal mixture of air and fuel for varying conditions. This leads to smoother running, improved fuel efficiency, and reduced emissions, enhancing the overall longevity and reliability of the mower.
  • Less Maintenance: Since the auto choke mechanism reduces manual adjustments, there is less wear and tear on choke components over time. This can lead to lower maintenance needs and fewer repairs, saving users time and money in the long run.
  • Consistency in Operation: The automatic nature of the choke ensures consistent performance across different temperatures and conditions. Users can rely on the mower starting effectively every time, regardless of the weather or how long the mower has been sitting idle.

What Key Features Should You Consider When Choosing a Gas Lawn Mower with Auto Choke?

When choosing the best gas lawn mower with auto choke, several key features should be considered to ensure optimal performance and ease of use.

  • Engine Power: The engine power, measured in cc (cubic centimeters), is crucial as it determines the mower’s cutting capability and efficiency. A mower with a higher cc rating will generally handle thicker grass and tougher terrains more effectively.
  • Cutting Width: The cutting width refers to the width of the mower’s blade and directly affects the mowing time. A wider cutting width allows for larger swaths to be cut at once, making it a great choice for larger lawns, while smaller widths offer better maneuverability in tighter spaces.
  • Self-Propulsion: Self-propelled mowers come with a drive system that makes it easier to navigate, especially on inclines or uneven terrain. This feature reduces the amount of physical effort needed to push the mower, making it ideal for those with larger yards or mobility issues.
  • Fuel Capacity: The fuel tank size impacts how long the mower can run before needing a refill. A larger fuel capacity will allow for extended mowing sessions, which is particularly beneficial for larger properties where frequent stops to refuel can be inconvenient.
  • Weight and Maneuverability: The weight of the mower affects how easy it is to maneuver. Lighter models are generally easier to push and turn, while heavier mowers may provide more stability but can be more cumbersome to handle, especially in tight spaces.
  • Blade Height Adjustment: This feature allows you to customize the cutting height according to grass type and seasonal growth. A reliable height adjustment system ensures that you can achieve a clean cut while promoting healthy grass growth.
  • Build Quality and Durability: The materials used in the construction of the mower significantly affect its longevity and performance. Look for mowers with robust frames and high-quality components that can withstand regular use and various weather conditions.
  • Ease of Maintenance: Consider how easy it is to perform routine maintenance on the mower, such as oil changes, blade sharpening, and air filter replacements. Models designed with accessibility in mind can save you time and effort in the long run.
  • Noise Level: Gas mowers can be quite loud, so examining the noise level is important, especially if you live in a densely populated area. Some models are designed to operate more quietly, which can help reduce disturbance to neighbors and provide a more pleasant mowing experience.

Which Gas Lawn Mowers with Auto Choke Are Most Recommended?

The best gas lawn mowers with auto choke are known for their ease of use, reliability, and efficient performance.

  • Toro Recycler 22 in. 150cc Gas Self-Propelled Lawn Mower: This mower features a powerful 150cc engine and a unique Recycler cutting system.
  • Honda HRN216VKA 21 in. 216cc Gas Self-Propelled Lawn Mower: Known for its exceptional build quality, this mower has a reliable engine and a robust auto choke feature.
  • Cub Cadet SC 500Z 21 in. 159cc Self-Propelled Lawn Mower: With a strong emphasis on durability, this model offers a smooth start and versatile cutting options.
  • Craftsman M250 21 in. 159cc Gas Push Lawn Mower: This mower combines affordability with performance, featuring an easy-start engine and auto choke functionality.

The Toro Recycler 22 in. 150cc Gas Self-Propelled Lawn Mower is designed for ease of maneuverability and features a unique Recycler cutting system that allows for efficient grass mulching. Its auto choke system ensures a hassle-free start, making it suitable for both seasoned users and beginners.

The Honda HRN216VKA 21 in. 216cc Gas Self-Propelled Lawn Mower is recognized for its robust construction and reliability. It is equipped with a powerful engine that not only provides excellent cutting performance but also includes an auto choke system for effortless starting under varying weather conditions.

The Cub Cadet SC 500Z 21 in. 159cc Self-Propelled Lawn Mower stands out for its solid build and smooth operation. It features an auto choke system that enhances starting reliability, making it an excellent choice for homeowners looking for a dependable mower that can handle different lawn conditions.

The Craftsman M250 21 in. 159cc Gas Push Lawn Mower balances cost and efficiency, offering a straightforward design with an auto choke feature for simple starting. This model is particularly appealing to those who want a budget-friendly option without sacrificing performance on their lawns.

How Do User Reviews Rate Gas Lawn Mowers with Auto Choke?

User reviews reveal several key insights into gas lawn mowers equipped with auto-choke features. Customers generally appreciate the convenience that auto-choke provides, eliminating the hassle of manual adjustments during startup. This feature is particularly beneficial for users who prefer a seamless mowing experience.

Notably, many users highlight the following aspects:

  • Ease of Starting: Mowers with auto choke are often praised for their reliable starting performance, especially in varying weather conditions.
  • Fuel Efficiency: Reviews frequently mention how mowers with auto-choke settings tend to optimize fuel consumption, improving overall efficiency.
  • Performance Consistency: Users report that these mowers maintain better engine performance over time, as the auto choke system helps prevent engine flooding and enhances airflow.
  • Maintenance: Many owners find that the auto-choke system reduces the need for frequent tuning and adjustments, resulting in lower maintenance costs.

However, there are occasional concerns regarding malfunctioning auto-choke systems, which might lead to starting difficulties. Overall, the consensus favors gas lawn mowers with auto choke for their convenience, efficiency, and performance reliability, making them a popular choice among homeowners.

What Maintenance Practices Are Essential for Gas Lawn Mowers with Auto Choke?

Essential maintenance practices for gas lawn mowers with auto choke include:

  • Regular Oil Changes: Changing the oil regularly helps maintain engine performance by reducing friction and preventing overheating. It’s recommended to check the oil level before each use and change it at least once a season or after every 50 hours of operation, using the appropriate grade of oil specified by the manufacturer.
  • Air Filter Cleaning/Replacement: The air filter prevents debris from entering the engine and keeps it running smoothly. Cleaning or replacing the air filter every 25 hours of operation or as needed ensures optimal airflow and efficiency, which is crucial for auto choke systems to function correctly.
  • Blade Sharpening: Keeping the mower blades sharp is essential for effective grass cutting and preventing damage to the lawn. Blades should be sharpened at least once a season or after every 20-25 hours of use; dull blades can tear the grass instead of cutting it cleanly, leading to a less healthy lawn.
  • Fuel System Maintenance: Using fresh fuel and adding a fuel stabilizer can help prevent issues like gumming or water accumulation in the fuel system. It’s advisable to empty the fuel tank if the mower will not be used for an extended period and to clean the fuel filter periodically to ensure proper fuel flow.
  • Spark Plug Inspection and Replacement: The spark plug ignites the fuel-air mixture in the engine, so it should be inspected regularly for wear and deposits. Replacing the spark plug annually or as recommended in the manual can enhance starting performance and engine efficiency, particularly important for mowers with auto choke systems.
  • Checking and Lubricating Moving Parts: Regularly inspecting and lubricating moving parts such as wheels, cables, and pivot points ensures smooth operation and extends the life of the mower. Use appropriate lubricants for each part as specified in the owner’s manual, and check for any signs of wear or damage during maintenance.
Related Post:

Leave a Comment