so about 2 weeks ago i started my bike after it sitting for a couple months over winter. and started right up but ran sorta funny, but i figured i'd give it the ol' italian tune up (taking it out and gunning it). after about 5 mins it died and the petcock leak became apparent.
so i replaced my petcock, and changed my oil and filter (as the crankcase had filled up with gasoline in addition to the oil that was supposed to be there). i start it now and it blows out a LOT of blue smoke, but only out of the right exhaust pipe. It idles fine but won't rev or pull off in gear at ALL, it just stalls. also oil has begun leaking onto the outside of the engine.
so my question is, but gunning it with the crankcase full of gassy oil, did i blow out some sort of gasket? i've uploaded a pic of the oil leak and the plugs, which are in order from left to right. thanks for any wisdom guys!!

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