Why isn’t my lawn mower starting after the winter?

The battery is worn out.

Lawn mower batteries can be expected to last about five years. If the battery isn’t staying charged long enough or if it’s completely dead, try using a battery charger. If the battery won’t hold a charge, you’ll need to replace it. Over time, batteries lose power.

Why is my lawn mower turning over but not starting?

Q. Why is my lawn mower turning over but not starting? The most likely reason is bad gas. Gas that sits for many months during the off-season will eventually break down, gumming up the fuel line and carburetor in the engine and preventing it from starting.

How do I know if my gas is bad in my lawn mower?

The easiest way to diagnose gas is to smell the fuel in question. Oxidized gas has a sour smell and is much stronger smelling than fresh gas. The other method is to drain a sample from your machine’s fuel tank or your gas can into a clear glass container. If the gas is dark in color, it has more than likely gone bad.

Should you drain gas from lawn mower for winter?

All the ethanol in our gasoline attracts condensation and causes your gasoline to become mixed with water when it sits for along time (like over the winter). The Ethanol in your gasoline is also corrosive and can damage the carburetor. To keep your lawn mower in good shape over the winter, you need to drain the gas.

Can I use old gas in my lawn mower?

Putting or keeping old gasoline in your lawn mower can cause a variety of problems. Your mower may not start, run as smoothly, and even sputter or die during operation. If your machine won’t start due to old gasoline you need to remove the built-up residue that is choking out the engine.

Can you flood a lawn mower?

Flooding a lawnmower is easy to do. Turning the machine over to clean the bottom of it or remove the blades while it contains gasoline is enough to do it. Priming it too many times by pushing the primer bulb can also cause flooding.

How do you clean a lawn mower carburetor without removing it?

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.

Can a dirty air filter cause a lawn mower not to start?

Before the incoming air enters the carburetor, it passes through an air filter to remove dust and dirt. When the filter is doing its job, it may get clogged up with debris removed from the air and not allow a sufficient amount of air into the carburetor and prevent the engine from starting.

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