Lawn Mower Engine Sputtering

Is your riding mower engine surging mostly UNDER LOAD at MID RANGE THROTTLE RPM. I replaced the spark plugs three times and the fuel filter once hoping itll correct the problem but to no.

How To Fix Lawn Mower Sputtering Identify The Causes

When it comes to lawn mowers the sputtering sound usually indicates a small issue that needs to be tackled immediately to avoid the machine stalling.

Lawn mower engine sputtering. This is because the mowers engine is dependent on the proper functioning of several different components and ingredients such as the damage or deficiency of one of them can result in engine failure leading to sputtering. The engine has about 550 hours. Mower Sputtering But stays Running.

If any of these is missing or in the wrong quantities the lawnmower will cough sputter and die out. Most repairs to stop sputter are cheap and part of your regular mower maintenance. For the lawnmower engine to run smoothly it needs the right mixture of air fuel and spark.

I changed the air filter and replaced the spark plug - but it is still sputtering. Halogenmoon Forum Newbie. Your mower pulls in air from outside and mixes it with gasoline for the proper explosion inside the engine.

Clean or replace the air. Start date May 8 2012. The dirty or clogged fuel filter affects the lawnmower engine the same way as an air filter.

Lawnmower sputtering caused by a clogged fuel filter Clean air and fuel filters keep the engine running smoothly. A dirty air filter inhibits the flow of air into the carburetor. If you find water you have to drain it and add new gas to your mower.

And these issues can usually be traced back to the spark plug. 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. Therefore a lawn mower that sputters and dies out is usually a surefire sign of engine failure.

A Mower Has to Breathe A dirty air filter inhibits the flow of air into the carburetor. What causes a sputtering engine. Plastic parts steel chassis fuel injection.

Why does my lawn mower sputter then die. It acts as though its about to die then revs back up then revs down then up. However even with proper maintenance there will be times when youll have problems like sputtering with your mower.

Check this somewhat hidden and fragile carburetor linkage spring first bef. Kawasaki 25HP mower engine sputtering. Dirty air filters are one of the most common reasons lawn mowers sputter.

You can always clean or replace the spark plug to be sure. Since the first rotary mowers chugged onto the scene in the 1930s and 1940s the noisy machine has changed little. It happens when engaging the pto andor during mowing.

Ask Your Own Small Engine Question. Jun 15 2005 1 what causes the sputter or power loss. Lawn mower engine surging is a right pain in the Jacksie its an engine that runs erratically revs up and down by itself uncontrollably.

If the carburetor is clogged try cleaning it with carburetor cleaner. Lawnmower sputtering is a very common problem that is mostly. Whether two or four stroke Otto cycle engines need three things to work.

The fuel filter can be changed or cleaned to prevent the lawnmower from sputtering. Since it is running we will assume the electric system is good. A clogged carburetor is most commonly caused by leaving fuel in the lawn mower for a long period of time.

Answered in 16 minutes by. That leaves air and gas to ch. It is the 550 series engine on a Poulan Pro lawn mower.

Replace the cap to solve sputtering. This problem is most times incomplete combustion in the engine or a blocked fuel injector. You want to be sure to clean or replace dirty air filters.

It has started sputtering while Im cutting grass. Sputtering of the engine while mowing is often an indication of bad mower maintenance not a fault with the machine. This sticky fuel can clog up the carburetor and cause the engine to stall.

Sounds like a fuel pump issue. Sputtering in general indicates an underlying problem that needs immediate attention. In a standard properly working lawnmower this is the case but if your machine has a problem you will experience your lawnmower sputtering and dies.

Air gas and spark. A lawnmower is supposed to make your lawn mowing work easier but without proper maintenance of your mower youll have a more difficult time maintaining your lawn. I have just noticed that my Lawnmower engine is sputtering.

Joined May 8 2012 Threads 1 Messages 1. Step 1 Remove the cap of the gas tank and look in at the gas. In some cases it may only happen under certain conditions for example only after the mower gets hot or only when the fuel level gets low.

Water that exists in the engine of your mower also can be the reason behind sputtering. Paper air filters will need to be replaced. Start date Jun 15 2005.

Too much air can also cause problems for the engine. A damaged or loose spark plug is often associated with starting problems but it can also cause the engine to struggle and run poorly. Lawn mower sputtering can often indicate the issues with ignition.

Clean or replace the air filter to stop the mower from sputtering to a halt. May 8 2012 1 So Ive got a Bolen by MTD with a Briggs and Stratton 550 engine. If you are facing a sputtering problem then remove the cap and check if there is any water in your mower engine.

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