Coils usually won’t restart when hot, but seem to work ok when running. Coils usually won’t restart when hot, but seem to work ok when running… I would start with the checking the piston. Compression can cause hard or non-starting, but I would think that once a saw is running performance wouldn’t change.
The most common problem causing your chainsaw to run slow or die out is a vapor lock in the fuel lines. Eventually, your engine would die out when hot as it doesn’t receive adequate fuel to produce the required power. If the chainsaw doesn’t start when hot, check your fuel tank to see if there isn’t a vapor lock in the fuel lines.
chainsaw bogs when warm Related Question:
Why does my chainsaw bog down when I give it gas?
The last thing anyone wants is a saw that purrs when idling and bogs down when applying gas. There are several factors may make your saw not work properly. First, it could be that the carburetor, spark arrestor or the air filter are dirty. Or, the carburetor adjustment might have simply slipped.
Why does my chainsaw lose power when cutting?
The spark plug is designed to provide the spark that ignites fuel in your chainsaw’s combustion chamber. Over time, spark plugs can become weak, and will not provide an adequate spark. This will cause your chainsaw’s engine to lose power.
Why does my Husqvarna chainsaw dies when I give it gas?
A clogged carburetor is often caused by leaving fuel in the chainsaw 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 chainsaw engine to stall.
Why does my chainsaw keep stalling?
A clogged carburetor is often caused by leaving fuel in the chainsaw 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 chainsaw engine to stall.
Why does my Stihl chainsaw loses power?
When your Stihl MS 170 chainsaw drops its power under full load, it generally means there is an improper mixture of fuel and air in your carburetor. When you depress the trigger, a vent on the carburetor opens, allowing more gas to reach the mixing chamber.
What does a spark arrestor do on a chainsaw?
The spark arrestor on your chainsaw prevents dangerous hot sparks from igniting fires while you’re working. If the arrestor is clogged or dirty, however, it will also prevent exhaust from leaving the motor, which can prevent it from running.
Is it OK to remove spark arrestor?
You can safely remove the spark arrestor or even install an aftermarket exhaust system on many ATVs without having to make alterations to your jetting because they are normally set up to run a bit rich from the factory, but this is no general rule!
What will a clogged spark arrestor do?
An almost totally blocked spark arrestor screen on a two-stroke, air-cooled engine can cause the engine to overheat. The result is that the piston expands into the exhaust port and the engine seizes. The piston scored because the engine was unable to dissipate heat fast enough.
Can you run a chainsaw without a spark arrestor?
We can’t run without arrestors here, and the fire danger is so high I wouldn’t anyway. There is less restriction without it, but cleaning them from time to time helps a lot. If it’s hot and dry, I wouldn’t risk it.
Why does my chainsaw start but wont stay running?
A clogged fuel filter will starve your chainsaw’s engine, and it can also damage it by letting contaminated fuel into the engine. Bad fuel can also clog the carburettor. Clogged carburettors are one of the most common reasons why a chainsaw won’t stay running or start at all.
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.
Is a spark arrestor necessary?
A properly maintained turbocharged engine does not need a spark arrester. Superchargers do not use the exhaust gas but are directly coupled to the engine. Engines equipped with superchargers require a spark arrester.
Does spark arrestor quiet exhaust?
Does Spark Arrestor Quiet Exhaust? However, a spark arrestor works as a means of reducing noise. It has the capacity to reduce sound levels up to ten decibels when coupled with a muffler, so even if you’re driving an offroad machine.
Do 4 strokes need spark arrestors?
Spark arrestors are needed on all internal combustion equipment, two strokes or four strokes.