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Experienced gardeners share their insights in answering this question :
Remove the side cover remove the small wire from the coil if still no spark replace the 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.

Crank the Ignition and Inspect for Spark Have someone turn the ignition so that you can inspect the plug. Make sure the spark is strong and blue in color. If the spark is weak and dull orange, it`s likely that it`s not strong enough to ignite the engine`s air and fuel mixture.
How can I tell if my coil is bad? If your multimeter shows a high resistance reading, this could indicate that your coil is bad. You can also try testing the coil with an ohmmeter to see if the reading is stable. If the reading fluctuates, this could be an indication that the coil is damaged.
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 you have an electric chainsaw that won`t start, first make sure that the power cable is connected to the mains, then check whether the cable and plug are damaged. If they aren`t, the problem could lie in the motor which, for example, may have worn or damaged brushes.
Crank the Ignition and Inspect for Spark Have someone turn the ignition so that you can inspect the plug. Make sure the spark is strong and blue in color. If the spark is weak and dull orange, it`s likely that it`s not strong enough to ignite the engine`s air and fuel mixture.
It might result in more work for you or dangerous working conditions. STIHL recommends replacing the spark plugs around every 100 hours of use. It`s a good idea to get in the habit of checking the condition of your spark plug after every 10 to 15 hours of use.
Crank the Ignition and Inspect for Spark Have someone turn the ignition so that you can inspect the plug. Make sure the spark is strong and blue in color. If the spark is weak and dull orange, it`s likely that it`s not strong enough to ignite the engine`s air and fuel mixture.

Discover Relevant Questions and Answers for Your Specific Issue

the most relevant questions and answers related to your specific issue

I need a spark plug gap
ANSWER : 0.5mm or .02″

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Free stihl manuals
ANSWER : .02″ 0.5mm

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<!– 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

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How much to tighten spark plug on stihl chain saw model 028?
ANSWER : General rule is to tighten it by hand, then turn it with a ratchet another 1/8 to 1/4 turn.

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Iginition coil test for sthil 044 – Stihl Chain Saw Handle Models 044 046 Ms440 Ms460
ANSWER : If it makes a blue spark, it’s probably good. More orange, probably too weak.

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Stihl HS 80 stops after a while
ANSWER : Check the fuel tank vent, it could be creating a vaccum in the fuel tank which is stopping the carb from drawing up the fuel. Then you’re having to wait till the pressure in the fuel tank equalises again.

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I need the spark plug gap for an Ariens ST624E. the spark plug = 21533500
ANSWER : The recommended setting is .030″

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Stijl brush cutter spark plug gap
ANSWER : Buy a new sparkplug

dont bother with the gap
if it wont run its usually fuel related
prob a leef in the tank or a blocked filter or carborator jet

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