Echo Leaf Blower Starts Then Stops? Spark Arrestor

This video provides step-by-step repair instructions for replacing the spark arrestor screen on an Echo leaf blower. The most common reasons for replacing the spark arrestor are when the engine stops after a few seconds or won’t start at all.
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All of the information for this spark arrestor replacement video is applicable to the following brands:
Echo, Mantis, Shindaiwa
Tools needed: T-25 Torx bit screwdriver, ¾ inch socket
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[@Barkus8920]

Had the same problem on a Echo PB-251. Tried all recommended problem fix with no results. Changed carburetor, spark plug, all tubes, fuel filter and vent filter. It still ran for a short time and then bogged down and stopped. I found that if I cracked the fuel cap it would start running fine again. Checked the vent and it seem to be working correctly. I decided to crack open the vent valve and trim the flapper in the vent valve and it works great now. I know that isn't the correct thing to do, but you need to do what ever it takes to get the job done.

[@hiEnuff]

I would rather see it on a used machine. Not swapping out new for new. Just my .02

[@jbraz8]

Been running my blower pretty solid for a couple years having a few issues with it rebuilt the carb was kind of working better followed this tutorial my screen looked like s*** but I also blow roofs and gutters so I guess it depends on what kind of environment you're working in.. so yeah aside from my shity grammar that's green can get plugged so this video is very informative and helpful thank you

[@brucec43]

Weird, I always hear this but in 20 years never had one clog.

[@moymoi]

Awesome! It worked!