Oops, lets try again: I have a ’86 250 Fourtrax. The choke is sensitive. A 3/4 choke causes lots of smoke. If I give it full choke it won’t run for more then 20 seconds even when cold. And if I back off on the choke the idle is too low and it starves out. I can’t seem to be able to access the choke cable at the carb connection. Nor do I have any schematics of what it looks like inside. I removed the carb from the engine but it is held on still to throttle cable and choke cable. Does the choke access come by taking off the bowl on bottom of carb? I need to remove these some how to make an adjustment? And how would I do this? And what is the proper adjustment that would either increase idle by increasing choke or adjust choke so that it doesn’t choke out the engine as, is usually the case?
I spent an hour looking at old threads to no avail.
It does seem to run rich after warming up w/choke off, as you can smell it at the exhaust. Always been that way, but doesn’t seem to burn much oil, even though engine seems loose. Also the cam chain tensioner is loose. No adjustment left. Someone seemed to have welded it to build up metal. Won’t this scar the cam? If not, should I try to do that again to keep it from ticking at various idle revs.