Echo 3100 trimmer

PTmowerMech

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Apr 16, 2018
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The sticker was barely legible. But I'm pretty sure that's what it said.
The customer dropped it off, said he just bought it (used). The carburetor is labeled WT 333 L5. So looking up a carb or kit for it, I found that this carb doesn't seem to go with this trimmer. According to another sight (or 2) is a WT418A.

Are these two carbs compatible with this engine? Or simply the wrong carb on it?

I have the kit for the 333 on the way. And I'll rebuild it and stick it on a shelve with the other rebuilds, if it's not the right one.

I think the 418 runs about $65 (my cost). Customer won't go for that.
 

StarTech

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Feb 19, 2020
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The Echo trimmer you have is a SRM-3100S type 1 trimmer and yes the WT-333 is the California emissions carburetor for that unit, the non-emissions carburetor is the WT-344.
 
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