husqvarna 372xp

Been working on my 372 getting new crankshaft seals installed and now that I got it all back together my crank won’t spin. What could be causing this? Acting like it’s locked up and bogs my saw down when I start it. Any tips would help a lot, thanks

I am in the midst of putting back together a Husqvarna 372xp. I am running into an issue with the gas tank vent located on the side of the gas tank, and the green fitting that goes into the vent. When I was pulling the saw apart to clean it (I have yet to do that it is dirty in the photos), I...