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Husqvarna 55 open vs closed port cylinder

WillG

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How do I identify an open vs closed port cylinder on a 55 without disassembly?
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David Young

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Most of the time when it has a decomp it is a closed port. I saw a couple later rancher 46 mm open ports that had it. Many after market jugs also have the decomp.
If it’s original and you look at the sticker under the handle bar. It will say husky 55 with 51cc displacement. That’s another clue. Although they made some 51 cc open port jugs too but I’ve never seen a 51cc open port with decomp
 

WillG

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Mine is definitely closed port. Pulls damn strong.

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Maintenance Chief

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Well they sure are light! Or at least lighter than what I'm used to. I've been lacking in some small saws to use and Husqvarna seems to have a wider variety of them out there.
 

jakethesnake

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I run a 55 open port over a 346. I think they’re a tik more rugged. Actually have one that has a good amount of run on it. Had it since new in 03-04 ish. Been a good one. Built like the 2 series
 
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