Garden

Experienced gardeners share their insights in answering this question :
I would replace the spark plug, make SURE you have the correct gap. Make sure you are using the correct oil gas mix, I believe it is 40:1.
If that does not help you may have a bad coil.

How to Identify and Fix Common Gardening Problems ?

We provide a variety of viewpoints on how to identify and fix common gardening problems. Our sources include academic articles, blog posts, and personal essays from experienced gardeners :

A spark plug might be defective and needs to be replaced.

If your chainsaw has a defective spark plug, it cannot create an electrical current to ignite the system. Remove the spark plug and inspect if it is dirty, cracked, eroded, or damaged. There may also be a heavy carbon buildup or a burned-up electrode.

If the chainsaw won`t start, or starts and then stops and you find the spark plug wet with fuel mixture, it means that the engine is flooded (you will probably smell petrol). It happens when too much fuel enters the combustion chamber, possibly because you have pressed the primer many times.
If your chainsaw still starts and then stops working, check the air filter. Clean or replace the air filter if it is dirty or damaged. Another reason that your chainsaw starts and then stops working could be that the spark arrestor is dirty or clogged. If this is the case, clean it with a wire brush.
A dirty carburetor, bad gasoline and low-quality two-stroke oil that creates deposits all contribute to chainsaw starting problems.
A weak spark on a Husqvarna chainsaw can be caused by one of these misfiring components in the ignition system. Properly maintaining and cleaning the saw on a regular basis will prevent most spark issues. Most problems can be isolated easily and fixed with a few simple tools and parts.
1. Dull chain and or improper lubrication to the bar and chain, sharpen and or clean the bars oil holes. 2. Air filter and fuel filter for restrictions and contamination, clean or replace as needed.
One tell-tale sign that a chainsaw has flooded is the smell of fresh petrol near the muffler. To ascertain whether this is indeed the problem, simply disassemble the part, pull the starter cord as if you were switching on the engine, then dry it, reassemble it and try switching it on again.
If the spark plug produces a spark and you are still having difficulties starting your chainsaw, it`s time to check the gap. The spark plug gap is an air gap between the ground electrode and the center electrode. If the gap is too small, the spark struggles to ignite the fuel and air mixture.
If it is difficult to start the ride-on mower, the most common reasons include: Old fuel; make sure to use fresh fuel, especially after winter storage. Spark plugs might be dirty or damaged. How to examine and replace a spark plug on your ride-on mower.
Loss of spark is caused by anything that prevents coil voltage from jumping the electrode gap at the end of the spark plug. This includes worn, fouled or damaged spark plugs, bad plug wires or a cracked distributor cap.
If your Spark Plugs are failing your engine will sound rough and jittery when running at idle. This can cause vibrations to resonate through the vehicle which could cause further costly damage.
One of the key factors that makes a spark plug work well, or not, is the size of the gap between the electrodes. If the gap is too small, the spark will likely be too weak and cause the engine to run poorly or with poor efficiency.
The chain may not have the proper amount of tension. If the adjustment screw is too loose, the chain may not make good contact with the wood. If the chain is too tight, the chain may not rotate at the proper speed, causing the chain not to cut properly. To adjust the chain, tighten or loosen the adjustment screw.
If no spark appears, check for broken wires, shorts, grounds or a defective stop switch. Once you have confirmed that the stop switch is working, reconnect the spark plug lead.
The most common signs of bad spark plugs include start-up trouble, rough idling, sluggish acceleration, declining fuel economy, engine misfiring, and engine knocking.
Precautions to Take When Cutting Wet Wood

If you are using an electric chainsaw with power provided via a cable, you will want to avoid any standing water or excessive moisture. Water and electricity are not a good mix. So, if the area contains long and wet grass, avoid using extension cords and power cables.

Be sure to use 89 octane or higher unleaded fuel. For best results, use Husqvarna brand two-stroke engine oil that if FD certified. Always mix gasoline and oil in a clean fuel container, not in the chainsaw`s fuel tank. Fill half the amount of gasoline to be used.
The fuel line may be clogged from stale fuel deposits, more reasons to cause your chainsaw to cut out when applying throttle. If a fuel line is cracked, it will leak gasoline and draw air from outside into the fuel line. If the line is leaking fuel, it needs to be replaced.
If your chainsaw does not start, the fuel may be too hot. To prevent this from happening, always use fresh fuel and reduce your operating time when the weather is warm. If your chainsaw will not start, place it in a cool area away from sunlight for at least 20 minutes.
Disconnected, dirty or fouled spark plugs are common causes for engines that won`t start. Spark plugs typically need to be replaced every season or 25 hours of use. You should also check that the spark plug gap is set properly.
Check to ensure that there is fresh, clean fuel in the fuel tank. Also check the fuel filter, because a clogged fuel filter will prevent the engine from obtaining adequate fuel supply. Check the air filter to ensure that it is not clogged or dirty.
Vapor lock is caused by heat. Excessive heat from the engine, exhaust system, and/or outside temperature can cause the fuel to vaporize in the lines. Some winter fuel blends and high altitude can lower the boiling point of the fuel. This can also contribute to vapor lock.
If no spark appears, check for broken wires, shorts, grounds or a defective stop switch. Once you have confirmed that the stop switch is working, reconnect the spark plug lead.
If no spark appears, check for broken wires, shorts, grounds or a defective stop switch. Once you have confirmed that the stop switch is working, reconnect the spark plug lead.

Discover Relevant Questions and Answers for Your Specific Issue

the most relevant questions and answers related to your specific issue

Spark plug gap on husky 350 chainsaw
ANSWER : The plug should gap at 0.5 mm or .020″ and be sure to use the proper resister plug. Do not cross reference a plug.

Read Full Q/A … : Garden

<!– from fixya rte –>Spark plug gap setting poulan pro 033. – Poulan Pro Prod/Poulan Weedeater Poulan Pro PP5020AV 20" Gas Chain Saw
ANSWER : .025″ plug gap

Read Full Q/A … : Garden

What does a spark plug gap at – Craftsman sears 18" Chain Saw Chain ( Model 35084 )
ANSWER : Hi, your spark plug gap should be the thickness of a hacksaw blade. use a hacksaw blade. sheers

Read Full Q/A … : Garden

Cannot get the saw started – Husqvarna 450 e-series 18" Chain Saw
ANSWER : Check for spark check fuel filter carb kit if sitting for while new plug

Read Full Q/A … : Garden

Won't start – Husqvarna "Chain Saw – 16" Bar, 3 Hp
ANSWER : Assuming the engine has good compression, remove the spark plug and check for spark–it should be blue and ‘snappy’. If no spark, try a new plug gapped at 0.020″. If still nothing, you may need to replace the ignition module which is located behind the left side cover/starter. Use a thin business card for a pole gap gauge, turn the flywheel magnets under the module, and loosen the module screws to allow the module to contact the magnets through the gauge. Try for spark again before replacing the module. If you got good spark in the first test, then pour some fresh fuel mix into the plug hole and try for start–if it pops a few times, then look to the fuel/carburetor system for service. Check the fuel filter, air cleaner, and muffler for plugging. Check the fuel lines for decay or other damage. If the saw has seen considerable service or been storage for some time, the carburetor may need to be cleaned inside and out. Hope some of this helps!

Read Full Q/A … : Garden

SAW WONT START IT HAS FIRE TO THE PLUG AND IT WONT START WHEN I SHOOT A LITTLE ETHER IN IT
ANSWER : If the engine has good compression, and good spark, it should at least ‘pop’ several times. Check the flywheel ‘key’ as it may have sheared causing the ignition to be out of time. Hope this helps!

Read Full Q/A … : Garden

The powersaw did not start because no ignition power despite the stop switch is open
ANSWER : Check “continuity” between spark plug and lead. I had this problem once and found that the wire from the coil was not making contact to the plug.

Read Full Q/A … : Garden

My Husqvarna 350 is getting fire and fuel but won’t start.
ANSWER : I had the same problem on a 353, i knew all parts were good had fuel and spark but would not start. Read a few forums on the net and found out that if the chain brake is locked or jammed they will not fire. My brake was not on but I had just tightened the chain on mine before the problem so slackened it right off and it started after a few pulls! I must of over tightened the chain hence problem.

Read Full Q/A … : Garden