Originally Posted by
msafi65
Sounds like may be a piece of trash in the idle circuit all right. I've spent a lot of time in the max with that engine and they are all cold blooded. At almost any temp they need choke to start. At near freezing I start and hold choke until I get a rich miss, if still won't idle I repeat. Once warm they run great. I've been told the lean idle and start were for passing emissions. Stock idle is usually about 11-1200 rpm. For winter use where carb ice is a problem remove the fresh air hose and turn aircleaner to face exhaust.