If the operator has repeatedly been trying to start the chainsaw through the recoil starter system, they may have accidentally flooded the engine with fuel. If you believe fuel has flooded the chainsaw engine, pull the starter cord several times while holding the throttle, dry and replace the spark plug, and then try starting the chainsaw again. Gasoline will start to deteriorate if left unused and sitting, so if the chainsaw hasn’t been started in a while, be sure to check that old fuel is not collecting inside the chainsaw.
Here, we look at the top 11 reasons why your chainsaw won’t start. Another common reason a chainsaw won’t start is that the sparkplug is old, dirty, damaged or not correctly attached. If the temperature is too low, it can make it hard to start a chainsaw.
A chainsaw can be a very useful tool for homeowners and professionals alike, until it stops working! When your chainsaw won’t start, it can cause a setback with your project and could even set you back financially for repairs. In this chainsaw starting guide you’ll learn the common problems that can arise with chainsaws as well as possible solutions. The recoil starter assembly consists of several elements that initiate the engine when starting the chainsaw such as the recoil starter pulley and rewind spring.
why chainsaw won’t start Related Question:
How do you make a chainsaw start easy?
Try to start the chainsaw after priming the carburetor. 5. Activate the choke by moving the lever to the full choke position and pull the starter rope 3 or 4 times to start the engine. If that doesn’t work, move the choke lever to half choke and pull the starter rope, 6 times maximum, to start the engine.
How do I know if my chainsaw spark plug is bad?
If it’s not producing any sparks at all, your chainsaw needs a new plug. If there are only a few sparks coming out of one side of the electrodes but none on the other side, it’s not bad enough for you to worry about, but it will affect your performance.
Why is my Stihl chainsaw not starting?
Dirty or clogged fuel tanks, dirty fuel filters and lines, loose fuel hoses, dirty air filters and a dirty carburetor can all restrict fuel flow. Check, clean and replace all the fuel system parts before moving into the internal engine, as gas problems create a majority of starting problems.
How long does a spark plug last in a chainsaw?
A poorly functioning engine in a Stihl chainsaw can mean more work for the operator and can even be dangerous. Consequently, Stihl recommends replacing the spark plug after every 100 service hours.
How long to wait if chainsaw is flooded?
Many people wonder if a flooded chainsaw will fix itself? The answer is yes, but not always. By letting the chainsaw sit for about 20 minutes it will allow some of the fuel inside the engine to evaporate.
Do you start a chainsaw with the brake on or off?
Check the Chain Brake When engaged, the chain brake stops the chain from rotating around the saw’s guide bar. When using a chainsaw, you should always start it with the chain brake engaged so the chain does not move.
Can I use wd40 on my chainsaw?
We recommend using WD-40® Specialist® Fast Acting Degreaser and soak it for 10 to 15 minutes. Next, use a wire brush to remove all the grime (repeat several times) and wipe with a paper towel to make sure all the dirt is gone.
How long to wait if engine is flooded?
Perhaps the best remedy for a flooded engine is time. Simply open the hood of your car and let excessive fuel evaporate for as long as you can. After about 20 minutes try starting your car again without hitting the gas pedal.
Can you clean a spark plug with wd40?
WD-40 removes carbon residue and keeps moisture away from spark plugs and spark plug wires. WD stands for Water Displacement, so if your spark plugs are wet or you need to drive moisture away from ignition distributors, for example, WD-40 is a product you should have handy!
How do you clean the carburetor on a chainsaw?
Let the chainsaw run at low RPMs/idle for a while. This is to let the cleaner run through the carburetor, the fuel lines, and the idle engine. The cleaner will wipe remove the gummy residue blocking the components to create a clean passageway for the air and fuel. As the RPMs begin to increase, turn down the idle knob.
How often should you tune up your chainsaw?
Obviously this depends to some degree on how often and how heavily you use your chainsaw but experts generally recommend you get a professional service or check-up from every few months for heavier use to at least once a year for light use.
What kind of spark plug does a chainsaw use?
The NGK BPMR7A and the NGK CMR6H are the two spark plugs used in Stihl chainsaws.
Do Stihl chainsaws have spark plugs?
Spark plugs are a key part of maintaining a petrol power tool, especially STIHL chainsaws, and you may think that one spark plug is much the same as another.
Do Stihl chainsaws have a primer bulb?
Re: What chainsaw compable to a Stihl MS 260 PRO has a primer bulb and starts easil. FWIW on most saws it takes about 6 to 8 pulls just to get the gas from the tank to the carb if they have sat for a spell . Just the nature of a diaphragm carb .