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how do you change a carburetor on a craftsman lawn mower

by Kathlyn Douglas Published 2 years ago Updated 2 years ago
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How to replace a carburetor on a craftsman riding lawnmower, step by step:

  • Step 1: Disconnect the battery and spark plug.
  • Step 2: Remove the air filter.
  • Step 3: Drain the fuel tank and disconnect the fuel lines.
  • Step 4: Remove blower housing.
  • Step 5: Remove the carburetor.
  • Step 6: Remove the attached components
  • Step 7: Install the new carburetor.
  • Step 8: Restored the blower housing.

Part of a video titled Replacing the Carburetor on a Lawn Mower - YouTube
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Release the fuel line spring clamp and pull the fuel line off the carburetor push the o-ring ontoMoreRelease the fuel line spring clamp and pull the fuel line off the carburetor push the o-ring onto the outlet port of the new carburetor reinstall the retainer on top of the o-ring.

Full Answer

How to troubleshoot a craftsman lawn mower?

Troubleshooting a Sears Craftsman Riding Lawn Mower

  • Does Not Start. Fill the fuel tank. ...
  • Engine Does Not Turn Over. Press the clutch/brake pedal with your foot while starting the mower. ...
  • Power Loss. Raise the cutting height or reduce your speed. ...
  • Vibrations or Uneven Cutting. Turn the lawn mower on its side and clean the bottom of the deck to remove built-up leaves or grass.
  • Grass Does Not Discharge Properly. ...

Is Craftsman a good home mower brand?

The Craftsman brand has been considered as the standard of quality and durability for all kinds of users, from DIY-ers to professional ones and even other garden tool manufacturers. They have a wide range of products which are arranged in around 80 categories. Among these, some of their lawn mower models are rated the best on the market.

How much does a craftsman lawn mower cost?

Craftsman lawn tractors run the price spectrum from rear-drive models priced around $1,300 to fully featured, hydrostatic-drive units that cost more than $2,000. Most Craftsman lawn tractors feature Briggs & Stratton engines, and the 42-inch-deck models are among the most popular.

How to replace starter rope on Craftsman lawn mower?

Tie a Knot

  • Put the handle on the rope and tie a knot. ...
  • If the rope on your lawn mower extends up the handle, make sure to place the rope handle in its final position before tensioning the rope slightly and tying the ...
  • Let the pulley wind the rope back into the rewind.
  • Reinstall the rewind unit and any other parts you've removed.

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How do you change the carburetor on a Craftsman riding lawn mower?

0:273:28Replacing a Carburetor on a Riding Lawn Mower - YouTubeYouTubeStart of suggested clipEnd of suggested clipCover remove the air filter remove the air filter housing screw remove the front blower housingMoreCover remove the air filter remove the air filter housing screw remove the front blower housing mounting bolts remove the rear blower housing mounting bolts lift off the blower housing.

How do I know if my lawnmower carburetor is bad?

How to Tell If Lawn Mower Carburetor is Bad (9 Symptoms)2.1 Engine Won't Start.2.2 Engine Doesn't Idle.2.3 Jerky Engine & Back Firing.2.4 Surging & Spluttering.2.5 Engine Doesn't Accelerate.2.6 Flooded Carburetor.2.7 Black Smoke.2.8 Excessive Fuel Consumption.More items...

How do you clean a carburetor on a lawn mower 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 cleanerOpens a new window, which comes in a simple spray can and will make it easy to clean the inside and outside of the carb.

How do you remove a carburetor from a Briggs and Stratton lawn mower?

2:045:55Briggs & Stratton Riding Lawn Mower Engine Carburetor #591736YouTubeStart of suggested clipEnd of suggested clipUse a 5/16 inch deep well socket or nut driver to unthread the carburetor mounting bolts. Note theMoreUse a 5/16 inch deep well socket or nut driver to unthread the carburetor mounting bolts. Note the orientation of the linkages then detach the throttle rod and spring.

What happens if the carburetor is bad in a lawn mower?

Dirty Carburetor Symptoms The engine starts but stalls while you're cutting the lawn. The engine runs rough during mowing. Black smoke is seen coming out of the muffler. There is a noticeable increase in fuel consumption during normal lawn mower use.

Will seafoam clean a gummed up carburetor?

After removing gasoline from the tank and carburetor, add a mixture of Sea Foam followed by 8 ounces of fresh gasoline (1 to 2 ratio). 5. With the cleaning mixture in the fuel tank, crank/prime/rope-pull the engine to draw the cleaning mix into the carburetor(s). 6.

Can I use WD-40 to clean my lawn mower carburetor?

0:121:34How to Clean Throttle Body, Carb and Choke With WD-40 ... - YouTubeYouTubeStart of suggested clipEnd of suggested clipDifficult starting and excessive exhaust fumes wd-40 specialists throttle body carb and chokeMoreDifficult starting and excessive exhaust fumes wd-40 specialists throttle body carb and choke cleaner is suitable for all kinds of machinery.

How do you clean a carburetor on a Craftsman lawn mower?

1:039:05how to clean a carburetor on a craftsman 21" lawn mower for beYouTubeStart of suggested clipEnd of suggested clipGet this gas line off a little bit pull the gas line off let it leak right into the pan a coupleMoreGet this gas line off a little bit pull the gas line off let it leak right into the pan a couple more drips guess doesn't seem too bad while the last few drops are coming out let's remove this top.

How do you unclog a carburetor on a lawn mower?

STEP 1: Clean the outside of the lawn mower engine. ... STEP 2: Remove the air filter to access the carburetor. ... STEP 3: Remove the carburetor. ... STEP 4: Disassemble the carburetor. ... STEP 5: Replace any worn-out parts. ... STEP 6: Clean the carburetor and carburetor parts. ... STEP 7: Reassemble the carburetor.More items...•

How do you replace a Briggs and Stratton carburetor?

1:474:54Briggs & Stratton Small Engine Carburetor Replacement Part ...YouTubeStart of suggested clipEnd of suggested clipBe sure to remove the old Oh ring and retainer from the carburetor adapter if necessary use the 5/16MoreBe sure to remove the old Oh ring and retainer from the carburetor adapter if necessary use the 5/16 inch socket or nut driver to unthread the screws to release the carburetor mounting bracket.

Where is the carburetor on a Craftsman riding lawn mower?

Where is the carburetor located on a Craftsman riding lawnmower? On a riding lawnmower, the carburetor is located just beneath the hood under the engine blower assembly. You first need to remove the hood. You need to pull off the air filter assembly and the engine blower cover to access the engine.

How do I identify a Briggs and Stratton carburetor?

4:015:10Identifying Briggs and Stratton B&S Briggs & Stratton Engines - YouTubeYouTubeStart of suggested clipEnd of suggested clipRight underneath the carburetor. Model type will code stamped. Right into the blower housing if yourMoreRight underneath the carburetor. Model type will code stamped. Right into the blower housing if your sticker is missing.

What does a bad carburetor sound like?

Typically, there's a 12:1 or 15:1 ratio of air to fuel, and when there's too much air or not enough fuel, it causes sneezing or popping sounds in the intake. One of the biggest causes is not getting enough fuel to the carburetor.

How do you test a carburetor?

0:5711:19HOW-TO Pressure Test A 2 Cycle Carburetor - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo now grab your tester connect. The line. And what I'm going to do now is pump it up toMoreSo now grab your tester connect. The line. And what I'm going to do now is pump it up to approximately 7 psi. Right over here I'm going to leave it like this for a while.

Why is my lawn mower turning over but not starting?

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 you test a small engine carburetor?

Test for Gas at the Carburetor Clamp off the fuel line. Compress the spring clamp and slide it backward on the fuel line. Pull the tubing off the carburetor nipple and catch the gas in a small bowl. Note: If no gas comes out of the fuel line, you've got a plugged fuel line or fuel filter.

How to remove carburetor from gas tank?

Set the gas tank down onto its side, and remove the two screws holding the carburetor in at the end of the engine using a Phillips screwdriver.

How to change air filter on a carburetor?

Push up the two metal linkage rods attached to the top of the carburetor with your hand to unhook them from the engine . Turn and then pull the air filter off of the carburetor. Place the new carburetor onto the engine in the same position with the linkage rods at the top of the carburetor, and slide the air filter into the back of the carburetor. ...

Why is a carburetor important?

The carburetor is an important component of any engine, as it helps to contain the flow of air that goes into the engine. If you are having trouble controlling the speed of your Craftsman lawn mower, or if the mower won't move as fast as it should, you may have something wrong with your carburetor.

Where to put the carburetor on a car?

Place the new carburetor onto the engine in the same position with the linkage rods at the top of the carburetor, and slide the air filter into the back of the carburetor. Hook the linkage rods back into the slots of the bottom of the engine.

How to remove oil stick from gas tank?

Remove the three bolts from the gas tank on the top of the engine, then pull out the oil stick from the engine.

What to do when starting a craftsman gas lawnmower?

Probably the most important safety precaution that you should do when starting with repairs or maintenance on a craftsman gas lawnmower is to disconnect the battery and spark plug wire before you start with anything else. You do not want to have the engine suddenly starting for whatever reason or have a short circuit and ignite some gas.

How to install a carburetor adapter?

Initially, push the O-ring into the outlet port of the new carburetor. Then, install the retainer on top of the O-ring. Now, Connect the fuel line to the new carburetor and secure it with the spring clamp. You have to hold the carburetor over the mounting brackets, connect the governor, and choke linkage rods. Later, push the carburetor into the bracket arms and fully press the outlet port onto the carburetor adapter. In the end, press the air cleaner gasket into the channel on the carburetor inlet.

Why does my lawnmower stall?

Also, old or remote gasoline, dirty or faulty spark plugs cause stalling issues.

How to replace air filter on carburetor?

First, position the air filter base on the carburetor’s front and reconnect the breather tube. Secure the air filter base with the mounting screws. Reinstall the air filter and position the air filter cover on the front of the base. In the end, snap it into place, engaging the locking tab. ● Step 11.

How to remove the choke rod from a carburetor?

Pull out the mounting nuts from the air intake. Disconnect the breather tube and extract the air intake. Detach the wire from the fuel solenoid. Please take a picture of the carburetor linkage connections to document their position for reassembly. Separate the carburetor-mounting studs and cut off the throttle rod and throttle spring as well. Detach the choke rod and then separate the carburetor. Lastly, please put it on the unpolluted work surface in a well-ventilated area.

Why does my Craftsman make a gurgling noise when starting?

If you have trouble controlling your mowers speed , if it will not move as fast as it should , or if it is hard to start, there may be a problem with your craftsman carburetor. In some extreme cases, the engine power is drastically reduced , and when starting, it makes a gurgling or sloshing noise. This points to a major carburetor problem, and cleaning or replacing will be needed.

How to find carburetor?

Discover the carburetor by classifying the air intake and filter. Look for a round or square-shaped filter housing placed on the engine’s top or side; it has spores, holes, or slits in the upper. The accommodation is mounted to the carburetor by latches or screws and comprises a paper or foam filter.

How to remove carburetor from carburetor adapter?

Remove the carburetor. Separate the carburetor mounting bracket arms to release the carburetor and disconnect the carburetor from the carburetor adapter. Holding the carburetor above the bracket, disconnect the governor and choke linkage rods and remove the carburetor.

How to remove fuel line from carburetor?

Release the fuel line spring clamp and pull the fuel line off the carburetor.

What happens if a carburetor is clogged?

If the carburetor is clogged or damaged, the engine runs rough or won’t start. If the carburetor is clogged or damaged, replace it with a manufacturer-approved lawn mower part .

Where is the air filter on a carburetor?

Position the air filter base on the front of the carburetor and reconnect the breather tube.

How to clean a gas tank?

Drain the fuel tank. Place a shop rag under the fuel tank to catch spill s. Place a fuel-safe container under the gas line connection to the fuel tank. Release the spring clamp and disconnect the fuel line from the gas tank. Drain the gasoline into the container. Wipe up any spills.

Can you replace carburetor on a Briggs and Stratton mower?

Use these steps to replace the carburetor on common Briggs & Stratton engines that power Craftsman, MTD, Husqvarna, Poulan, Murray, Toro, Troybilt and Ariens walk-behind lawn mowers. If you'd rather rebuild the carburetor, How to Rebuild a Lawn Mower Carburetor shows you how.

How much does it cost to replace a Craftsman carburetor?

A new Craftsman lawn tractor carburetor is commonly available from a parts warehouse. For about $60 plus shipping and the 20 to 30 minutes it takes to deal with the old carburetor, you can have your riding mower up and running again.

How does a Craftsman carburetor work?

The carburetor on a Craftsman lawn tractor mixes the gasoline with air before the mixture is drawn into the cylinder through the intake valve. If the engine is running roughly, you may need to adjust the carburetor to help the engine run more efficiently and smoothly under any workload. Advertisement.

How to remove a carburetor?

Take your time to remove and disconnect each piece from the carburetor, taking pictures as necessary to remind yourself where the attachments go. Once you've completely removed the old carburetor, you can either clean it and reinstall it or replace the damaged or worn carburetor entirely.

Why is my riding mower hard to start?

A clogged or dirty carburetor is often the cause of a riding mower being difficult to start or outright failing to do so. The carburetor manages the flow of fuel and air to the engine, so when it gets clogged or damaged, the entire engine operation suffers.

What is a Craftsman lawn mower?

Craftsman offers a line of lawn and garden equipment, including lawn tractors, walk-behind lawn mowers and snow blowers. Craftsman lawn tractors use a comparatively large engine, often started by an electric starter.

How to keep parts from losing?

Keeping a set of rags nearby to wipe parts clean and a set of low, wide cups to hold screws and other small parts will also help you avoid losing parts and will provide containers to soak particularly dirty or rusted components. Keep WD-40 on hand to strip away grease and loosen stuck bolts. Machine oil or silicone grease will coat and preserve parts as you reassemble them.

How to Spot a Bad Lawn Mower Carburetor (The Short Answer)

When a carburetor goes bad, it will affect the fuel and airflow to the cylinder. This can include stopping fuel, starving fuel, providing too much fuel, and incorrect fuel to air mixture. As a result, lack of power, poor idling, black smoke, and not being able to start the engine are a few symptoms you should look out for.

How to Tell if Your Lawn Mower Carburetor is Bad (Common Symptoms)

If you have been around lawn mower engines as long as I have, you start to notice that the common symptoms of a struggling lawn mower are pretty similar to one another.

Putting the Signs of Bad Carburetor on Your Lawn Mower Together

Now you know there are many ways to tell if your lawn carburetor is bad. Unfortunately, you’ll probably experience more than one of these symptoms at the same time. So, you’ll have a clearer idea that you’ve got a bad carb once you start putting the symptoms together.

Where is the carburetor on a Craftsman mower?

The carburetor is attached to the air filter and a fuel line, and it is generally located on the left side of the engine. The exact location will vary depending on whether you have a riding mower or a push mower, a snow blower or a weed eater.

How to adjust carburetor screws?

Take your equipment for a test run. Test it at idle and again with the engine performing its task, whether mowing or blowing leaves. If the engine dies or runs roughly, adjust the carburetor screws 1/8-turn at a time until the equipment runs smoothly at both idle and while doing work.

What does spring mean for lawn mowers?

The arrival of spring means it's time for tuning up lawn equipment of all kinds. Some maintenance tasks go beyond the basic, though, and the day may come that every lawn tool with a gasoline-powered engine will need to have the carburetor adjusted or cleaned.

Do Craftsman carburetors need to be rebuilt?

Some newer carburetors on Craftsman equipment are not adjustable and will require a rebuild or replacement.

Where to place carburetor in a car?

Position the new carburetor near the engine and reconnect the choke rod.

How to remove fuel line from carburetor?

Release the clamp that attaches the fuel line to the carburetor and pull the fuel line off the carburetor.

What happens if a carburetor is clogged?

If the carburetor has water damage or is clogged with dirt, debris or gummed-up gasoline, the engine might surge or be hard to start. Replace a damaged or clogged riding lawn mower carburetor with a manufacturer-approved riding lawn mower part.

Can a mower run on a damaged tire?

Your mower can’t run on a damaged rear tire. Here’s how to install a new one.

Can you rebuild a carburetor?

If the carburetor isn't beyond repair, you can rebuild it instead of replacing it. See How to Rebuild a Carburetor in a Riding Lawn Mower .

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1.Videos of How Do You Change a Carburetor on a Craftsman Law…

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16 hours ago  · This video from Sears PartsDirect shows how to replace a carburetor on a lawn mower. Located on the side of the engine block, the carburetor mixes air with f...

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