I found one! Almost..

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This is true. But I fixed a couple of saws by cleaning the oil tank vent. This allowed the pressure to vent by the vent and not by pushing it through the oil pump. Just something to check .

How did you clean the tank vent that it lets air out? It's supposed to let air enter only.
 
I checked spark on the Husky..looks good. Fuel looks like black tar. Still working on the 026. Eventually I'll flush the system, pull and clean carb, maybe put new plug and fuel line & filter. Buddy said it ran good before it sat in storage for years.
 
Well dammit..I thought I was done woth the 024 and emptied the fuel and ran the saw dry. Then I rechecked the specs and realized that the high max rpm is off by 1K rpm!
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I had the low rpm pretty close by ear tuning..I checked it with tach and richened it up a hair. But my high max I never touched..thought was supposed to be 12K..oops🙄 thats supposed to be 13K!

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So I guess tomorrow I need to fill it back up, warm it up and try one more time. Then drain and run dry for storage. I understand that even though I warmed it up, it's 32 degrees out and I'll have to readjust the tune when summer comes..or whenever I need to pull the saw out.
 
Ok..so I filled it up(over half tank), warmed it up good..took a few tries after running the fuel out yesterday to store. Once it was warmed up good, I had to readjust the L, because it was a little low. But I could not adjust the H max anymore than 11,9-ish K? I even turned both back in, and a turn out and a turn put plus and still same result.

From reading my muffler mod should allow higher rpms. (No load condotion) But I'm wondering if my larger bar is limiting max rpms?

Any ideas, suggestions for me? I've already drained fuel and ran dry for storage. But I'll probably be using the saw in a month or so. FYI I never rebuilt the carb or checked the screen on this one..although I do have a carb rebuild kit for it. The H was set this way before I started messing with it.
 
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