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Lawn Mower Sputters When Blades Are Engaged

Why does my lawn mower stall when I engage the blades?

The most common causes for a mower to stop when blades are engaged include the mower being in reverse, faulty safety switches, bad fuel, or clogged fuel lines. Trying to engage the blades in tall or wet grass can also cause the mower to die. While fuel can be a common issue, it might not be your issue.

Why does my lawn mower spit and sputter?

Clogged or Dirty Air Filters Dirty air filters are one of the most common reasons lawn mowers sputter. Dirt can be present in the apertures that lead from the carburetor and the fuel filter and interrupt the flow of fuel supply to the combustion chamber. You want to be sure to clean or replace dirty air filters.

How do you fix a lawn mower that sputters?

Remove the cap of the gas tank and look in at the gas. Inspect the gas for signs of water. Turn the mower over so the oil case is sitting under the carburetor. Set a drain pan under the oil plug. Check the underside of the unit for caked on grass. Excessive grass under the deck will make the mower sputter.

Why does my mower bog down when I engage the blades?

sharpen your blades, dull blades create a nasty load and can bog your mower down a bit. you may want to check your spindles as well and make sure they spin freely, and grease them if you can.

Why does my lawn mower keep bogging down?

After the engine warms, the choke opens and a normal air-to-gasoline mixture moves through the carburetor. If the choke sticks shut, the mower runs poorly, and it could stall or bog down as you mow. You can clean the choke and its linkages, which should free it up.

Why does my John Deere cut off when I engage the blades?

The pulleys in your lawn tractor are driven by the drive belt, and turn the spindles. If a pulley doesn’t spin freely, it can cause the engine to die when the blades are engaged. If a pulley doesn’t spin freely, it can cause the engine to die when the blades are engaged.

What makes a lawn mower stutter?

If the fuel is new and the system free of obstruction by dirt, the problem might be the sticky by-products of hydrocarbon storage and combustion that can leave gunky deposits in apertures and the carburetor. Every time a bit of the deposit breaks off and floats through the system, it can cause a stutter.

Why does my lawnmower stutter?

Clogged or Dirty Air Filters It is one of the most common problems that cause lawnmowers to sputter. The mowers take the air from the surrounding through air filters and mix it with fuel inside the engine. So, if the air filter is clogged or dirty, it will affect the flow of air into the carburetor.

Can a spark plug cause a lawn mower to sputter?

6. Dirty or Damaged Spark Plug. Cause: a dirty or bad spark plug can make your lawn mower difficult to start; it can also cause the sputter engine. Although a dirty or damaged spark plug is not a major cause of a sputtering engine, it may just be the cause of your mower sputtering.

How do you clean a carburetor on a lawn mower without taking it off?

Use Carburetor Cleaner Fortunately, you can generally do this without even taking the carburetor out of the engine. Start by purchasing some commercial lawnmower carburetor cleaner, which comes in a simple spray can and will make it easy to clean the inside and outside of the carb.

Why is my push mower shaking?

This is usually a sign that the mower blade is damaged or out of balance. This can be caused by a damaged blade, or one that has been sharpened incorrectly and is out of balance. If you suspect your mower is vibrating excessively due to an issue with the blade, inspect the blade for damaged and test for balance.

How do I know if my lawnmower spark plug is bad?

A few symptoms provide clues that it’s time to change a spark plug. Hard Start. The most common problem associated with a bad spark plug in a lawnmower is that the mower is more difficult than normal to start. Poor Engine Performance. Excessive Fuel Consumption. Physical Appearance.

Is it bad to pull a lawn mower backwards?

Simply, put, your mower will not perform as well when mowing in reverse. There are a number of reasons for this. One of the most immediately noticeable problems is that the grass will not get discharged underneath the deck. The cut is irregular, since mowing backwards means that the blades are running in reverse.

Why does my lawn mower shut off while mowing?

Being Overworked One of the most common reasons that a lawn mower might stall while it is cutting grass is that it is being overworked. This is a mechanism that is intentionally incorporated into the mower to prevent the motor from being blown.

What does PTO switch do?

The PTO is a switch or lever found on tractors and mowers and stands for Power Take Off. This can be an electric switch or mechanical engagement that takes engine power to operate the mower deck or an implement.