Why Your Lawn Mower Surges or Runs Rough

Grounded in cited manufacturer & reference sources · AI-assisted, human-reviewed before publish · Not a substitute for a qualified technician on safety-critical repairs.

A carburetor is a device used by a gasoline internal combustion engine to control and mix air and fuel entering the engine. [10]

Various other components are also used to provide extra fuel or air in specific circumstances. [11]

Regular lawn mower maintenance helps prevent problems, plus lengthens the life of your lawn equipment. [5]

Check the oil level regularly - ideally every time you mow. [0]

If you have a new mower, change the oil after the first five hours of use. [1]

After that, change the oil after every 50 hours of use or at the beginning of each lawn care season. [2]

It's best to change your engine oil at the beginning or end of a cutting season. [7]

Changing the oil on your lawn mower engine can help prevent engine damage. [6]

When the mower deck is clogged with clippings, turn off the mower, disconnect the spark plug and then use a garden hose to wash away the material. [3]

After spraying, remove any remaining clumps of grass that may interfere with the blade by using a stick or other tool - never use your hands or feet. [4]

Sources

  1. briggsandstratton.com: Check the oil level regularly - ideally every time you mow.
  2. briggsandstratton.com: If you have a new mower, change the oil after the first five hours of use.
  3. briggsandstratton.com: After that, change the oil after every 50 hours of use or at the beginning of each lawn care season.
  4. briggsandstratton.com: When the mower deck is clogged with clippings, turn off the mower, disconnect the spark plug and then use a garden hose
  5. briggsandstratton.com: After spraying, remove any remaining clumps of grass that may interfere with the blade by using a stick or other tool -
  6. briggsandstratton.com: Regular lawn mower maintenance helps prevent problems, plus lengthens the life of your lawn equipment.
  7. briggsandstratton.com: Changing the oil on your lawn mower engine can help prevent engine damage.
  8. briggsandstratton.com: It's best to change your engine oil at the beginning or end of a cutting season.
  9. briggsandstratton.com: This how-to video shows you how to complete an oil change in just a few short minutes.
  10. briggsandstratton.com: This how-to video shows you how to complete an oil change using a Briggs & Stratton oil extractor kit.
  11. wikipedia.org: A carburetor is a device used by a gasoline internal combustion engine to control and mix air and fuel entering the engi
  12. wikipedia.org: various other components are also used to provide extra fuel or air in specific circumstances.