Repairing Guides

how to repair a honda small engine

by Lauren Miller Published 3 years ago Updated 2 years ago
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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.

Full Answer

What should I do if my Honda small engine won't start?

Common solutions for: Honda Small engine won’t start 01 - Spark Plug Inspect the spark plug for signs of wear or damage. If the porcelain insulator is cracked, an electrode is burned away or damaged, or there is heavy carbon buildup at the electrode, replace the spark plug.

Where can I find information about Honda engine maintenance and repair?

These materials are not designed for consumer use. Consumers should refer to an owner’s manual for appropriate maintenance information, or see a Honda Engine dealer for service issues. Repair facilities and service technicians may access online service and repair information here.

Why choose repair clinic for small engine repair online?

If you’re looking for small engine repair online you came to the right place. Repair Clinic doesn’t just sell you the right parts for your small gas engine repair, we offer technical advice and how-to videos so you can do the job yourself. Whether you need to fix your snowblower or your lawn mower, Repair Clinic helps you save money and time.

What should I do if I have a problem with my engine?

If the issue appears to be with the engine, please see your local Honda Engine dealer. You can also view common engine troubleshooting tips here . If the issue appears to be with the equipment, we recommend you take your unit to a servicing dealer for the manufacturer of your equipment.

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What is the most common problem with small engines?

Carburetor. Most of the common problems with small engines point to fuels. However, if the carburetor fails to mix the fuel and air properly, engines malfunction. If a carburetor becomes dirty, it clogs easily which keeps it from functioning well.

How do you fix a Honda lawn mower engine?

0:3720:15How To Rebuild a Lawn Mower Engine ( Honda GCV160, GCV170 ...YouTubeStart of suggested clipEnd of suggested clipI'm also going to check every other engine component I'm gonna check the spark plug do an oil changeMoreI'm also going to check every other engine component I'm gonna check the spark plug do an oil change check the air filter clean the carburetor.

How do you fix a small engine that won't start?

6 Tips for Troubleshooting a Small Engine that won't StartInspect the spark plug. One of the first things to check if your small engine won't start is the spark plug. ... Check your fuel. ... Clean the carburetor. ... Take a look at the compression system and the valves. ... Check the start switch.

How do you make a small engine run again?

3:4610:42Tips on Starting Small Engines that Haven't Ran for a While - YouTubeYouTubeStart of suggested clipEnd of suggested clipPull your spark plugs out ground it out and crank it over and watch for spark when the plug. AndMorePull your spark plugs out ground it out and crank it over and watch for spark when the plug. And this one you're going to do that on both sides. If you got spark. You might have a stuck valve.

Why does my Honda mower not start?

A Honda mower won't start when there is old gas in the fuel system that has clogged components restricting fuel flow. A plugged air filter, bad battery, dirty spark plugs, faulty ignition coil, bad starter solenoid and incorrect operating procedures can also prevent your Honda mower from starting.

Why does my Honda lawn mower keep stopping?

A clogged carburetor is most commonly caused by leaving fuel in the lawn mower for a long period of time. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. This sticky fuel can clog up the carburetor and cause the engine to stall.

Can wd40 be used as starting fluid?

0:001:05will WD 40 work instead of starting fluid? - YouTubeYouTubeStart of suggested clipEnd of suggested clipBut it works one of the most common fuel delivery problems are the jets in the carburetor. So youMoreBut it works one of the most common fuel delivery problems are the jets in the carburetor. So you could even use the wd-40 to clean up the carburetor.

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.

Why does my lawn mower only run for a few seconds then dies?

If your lawn mower starts, runs briefly, then dies these are the four most common reasons that's happening: Dirty carburetor / clogged carburetor bowl. Old gasoline that has gone bad. Dirty or defective spark plugs.

How do you start an engine that has been sitting for years?

4:3811:27How to Start a Car That's Been Sitting for Years - YouTubeYouTubeStart of suggested clipEnd of suggested clipOil comes into play to fog the engine remove the spark plug wire. And then remove the spark. Plug.MoreOil comes into play to fog the engine remove the spark plug wire. And then remove the spark. Plug.

What can I spray in my carburetor to start my engine?

Shoot a substitute fuel (WD-40 or PB Blaster Lawn Mower Tune-Up) into the carburetor throat and then try starting the engine (Photo 1). If it won't start or fire with spray fuel, you probably have an ignition system problem, most likely a bad ignition coil.

What are the four tests you use to diagnose a small engine problem?

However, if you think “FAST”, most problems can be diagnosed relatively quickly and easily. FAST is an acronym for the causes of most small engine problems: fuel, air, spark and timing. Chances are, one of these four factors is the reason for your balky engine.

How do you diagnose and fix a Honda lawnmower wont start no fuel no spark?

1:119:09How to diagnose and fix a Honda Lawnmower, wont start, no fuel, no ...YouTubeStart of suggested clipEnd of suggested clipTake out the plug. Then look to see what condition the plug is in this plug looks pretty clean thatMoreTake out the plug. Then look to see what condition the plug is in this plug looks pretty clean that is hardly used now put the boot back on the plug and lay it against the metal part on the engine.

Why does my Honda mower rev up and down?

A lawnmower that hunts and surges may be experiencing something as simple as an airflow issue. If the air that the engine requires to run is blocked, especially sporadically, it can cause the engine to slow down. When the blockage moves or clears, the engine may suddenly rev up in response.

Where do you spray starter fluid on a small engine?

1:333:48How to Use Starter Fluid - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo whatever you're trying to start you want to put it into the carburetor or the air filter.MoreSo whatever you're trying to start you want to put it into the carburetor or the air filter.

How do you clean the carburetor on a Honda lawn mower?

10:3720:01How To Clean a Honda Style Carburetor (Step-by-Step) - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou just take a little screwdriver. And pull this out this is your idle adjustment screw. That'sMoreYou just take a little screwdriver. And pull this out this is your idle adjustment screw. That's gonna be holding it. In sometimes they have this little cap on it sometimes they don't remove.

How to tell if spark plug is defective?

To determine if the spark plug is defective, use a spark plug tester. You should see a strong spark between the tester’s terminals when the engine is cranking. If there is no spark, this indicates that the spark plug is defective and should be replaced. Required Part. Small Engine Spark Plug.

Why is my flywheel key broken?

The flywheel key is a small metal piece which fits into the crankshaft and engages with the flywheel. If the engine stops suddenly, the flywheel key breaks in half to prevent damage to the engine. To determine if the flywheel key is broken, remove the flywheel from the engine and inspect the flywheel key.

What happens if you put sticky fuel in your carburetor?

This sticky fuel can clog up the carburetor and prevent the engine from starting. If the carburetor is clogged, try cleaning it with carburetor cleaner. If cleaning the carburetor isn’t effective, rebuild or replace the entire carburetor. The ignition coil sends voltage to the spark plug while the engine is running.

Why is my carburetor clogged?

The carburetor might be clogged. A clogged carburetor is most commonly caused by leaving fuel in the engine for a long period of time. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. This sticky fuel can clog up the carburetor and prevent the engine from starting.

What happens when you pull the starter rope?

When you pull the starter rope, tabs extending from the pulley and cam should grab the hub on the engine, causing the engine to turn. When you release the rope, the tabs should retract and the rope should rewind back on the pulley. If the recoil starter assembly is not wo... rking properly, replace it. Required Part.

What happens if the ignition coil is defective?

The ignition coil sends voltage to the spark plug while the engine is running. If the ignition coil is defective, the engine may not start. Before replacing the ignition coil, ensure that the spark plug is working properly.

Why is my carburetor clogged?

The carburetor might be clogged. A clogged carburetor is most commonly caused by leaving fuel in the engine for a long period of time . Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance.

How does a fuel cap work?

As fuel is consumed by the engine, the level in the fuel tank lowers . To make up for this, the fuel cap uses a small vent to allow air to enter the tank. If the fuel cap vent is clogged, air won’t be able to enter the tank and a vacuum or “vapor lock” will occur. This stops the flow of fuel to the carburetor causing the engine to stall. To determine if the fuel cap vent is clogged, try slightly loosening the cap and then starting the engine. If loosening the fuel cap allows the engine to stay ru...

Where can I get service for my Honda engine?

First, determine if the issue is with the engine itself or the equipment it’s powering (i.e. the pressure washer, lawn mower, etc.)

Engine Shop Manuals and Service Support Materials

Like to do-it-yourself? Honda Engines offers a variety of Honda Genuine service materials for purchase. Items include:

Online Service Information (For Dealers and Repair Facilities Only)

Honda offers a limited selection of online service materials for repair facilities. These materials are not designed for consumer use.

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