I welded the inside first. I need to figure out what thickness pipe folks are using. I think mine was too thick....
Picked this 2300 up a month ago for 15 bucks, no bar n chain, no handguard, and guy said it leaked fuel out the handle. Cleaned it, replaced fuel line, had a spare 16" craftsman bar/chain, had an extra hand guard, a dozen pulls later and she came to life. Idles perfect, runs out nice, and took a third of a codominant maple out that started dying. I didn't even open up the carb on this one. I may do it just to make sure its clean. Notice the pic where you can see the top of the gas cap missing centerpiece, turnt on its side full throttle and it sprayed me pretty good. Had another spare laying in a box.
Shame this model didn't have a chainbrake....at least I dont think there's versions of it with one.
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I would believe it has a vent, maybe near the bar clamp that has a brass sintered cap over a duck bill valve like some. But I don't know much about the 2900. Haven't been around that particular model.
Steve from my moto g(7) play using Tapatalk
This is a type1 saw... from the IPLNever seen one either.
IPL shows the duckbill vent & cover plug on the left side, by the fuel cap.