First your ignorance knows no bounds, OE is 45cc, second ask anyone who has ported them, or ran them stock, the 346 is still the king of that size but since we are talking current production runs, I will admit the 261 is a great 50cc saw and the 241 is a great 40cc saw, I like my black and red version of the 550xp MMWS ported it and it runs great, never gave me an issue. If I was a Stihl guy I would buy a 261, if I were a husky guy I would take the 550, I have ran booth and performance is really close imo, now saying a 241 is close to a 346.... Well then you are on drugs.