Husqvarna 120 mark II

don309

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I replaced the fuel line on this saw. I doing so a piece in the tank came out of it's hole
in the tank (pictured). I tried and tried to get it back in from inside the tank NO LUCK. In the hole is what I thought was a screen but now not so sure. What is it?WhatsApp Image 2025-05-16 at 10.18.04_49aa495a.jpgWhatsApp Image 2025-05-16 at 10.18.04_15496060.jpg
 
It is the duckbill for the tank vent.
Without it, air and indeed fluids are able to exit the tank- this should not be the case- it is a one way valve to allow air in to replace the fuel going to the carb.
 
Well- no, just guessing here as I dont play around with these wee rascals much- there should be a breather of some type in the hole with a nipple on the tank side that duckbill mounts to.
Will see if I can find drawings.
 
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