strato

Has anybody successfully removed the port covers on the stihl MS391/311 cylinder? I’m not sure how stihl seals these things on but they’re on there. There’s gotta be a way but I haven’t found it. I appreciate any input. Thanks

we were on page umpteen of a thread about some vaporware known as the husqvarna 590. i mentioned that i think i understand husqvarna/remax strato toechnology fairly well but whenever i sit down and meditate on a 575 piston, i just need to flip the cap on a cold ipa. chris-pa was kind enuff to...