Joined here in 2018 after having some problems & questions about my MS290, and got a lot of great info & help form Harley & a few others. Also learned a lot about the AM carbs for these, but learned the hard way by Trial & Error before find out so much about them here & the pit falls of buying...
Just a heads up since I didn't find much searching for this. I purchase a lightly used "AS IS" MS310 as a limbing and small bucking saw backup with no ignition. Replaced coil, plug - no spark. Rung out wiring using my old 029 as a guide and everything looked good. Tried removing kill wire...