Amerisun 21" Self-Propelled Gas Lawn Mower, 170cc OHV Engine with Forced Air-Cooling, 3-in-1 System, Steel Deck, 6-Position Height Adjustment, Foldable Handle

TLDR Review: Amerisun 21" Lawn Mower

Published: April 16th, 2026

Pros

  • β€’Starts easily with a single pull, showing reliable engine ignition
  • β€’Performs efficiently, delivering a clean and even cut
  • β€’Selropelled feature makes mowing less tiring (according to some reviews, though it may have issues)
  • β€’Lightweight and easy to maneuver around the lawn
  • β€’Adjustable handle height enhances user comfort
  • β€’Nicooking design with a durable steel deck
  • β€’Comes with useful accessories like oil, funnel, and spark plug remover
  • β€’Quiet operation compared to other mowers
  • β€’Suitable for various lawn sizes and terrains
  • β€’The engine is robust once broken in and properly maintained

Cons

  • β€’The selropelled system may be non-functional due to a belt issue, possibly needing user repair
  • β€’Initial reviews mention difficulty with starting and stopping, indicating possible quality issues
  • β€’Runs out of fuel quickly, requiring frequent refills
  • β€’Some users experienced ongoing engine and oil issues, needing additional maintenance
  • β€’Does not include a grass catcher, which might necessitate extra purchase
  • β€’The belt for the selropelled feature could void warranty if repaired DIY
  • β€’Despite marketing as selropelled, some reviews say it isn’t truly so out of the box
  • β€’Certain reviews suggest inconsistent performance and durability concerns

Bottom Line

The Amerisun 21" Self-Propelled Gas Lawn Mower offers solid cutting power and ease of use, especially with its simple starting mechanism and adjustable handle. However, potential issues with the self-propelled belt and engine reliability mean it might require some DIY fixing or extra maintenance. If you're looking for a mower with guaranteed self-propulsion and fewer setup hassles, you might want to consider alternatives like the <component-button-product identifierProduct="12345-67890">Honda HRX217K5VKA</component-button-product>, known for its dependable self-propelled system and long-term durability.

How we researched this

About this review: We pulled together findings from professional reviews and hundreds of user reviews, and cross-referenced them with ShopSavvy's pricing data from thousands of retailers to give you the short version.

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