no start

Stihl ms180 won’t start up at all, doesn’t even pretend to start … I’ve tried all the obvious stuff - has good spark and fully cleaned spark plug - has good compression measured at around 165psi - piston looks great, no scoring of any kind - totally cleaned the carb. Tried with brand new...

I borrowed a Stihl 44 magnum, been running it off and on for about three weeks now. I used it four or five days ago and shut it off upon finishing for the day. Now today I can’t get it to start. It keeps flooding. I checked for spark with a spark tester between the plug wire and the plug and it...