does anyone no were the idle screw is on a 1981 honda 185s 3wheeler

realy need to find out were it is I can find the fuel mixture screw but not the idle it would realy help if anyone new thanks

The idle screw should be on the exposed side of the carb and usually has a spring on it and you should be able to turn it by finger but not all the time. In the first picture you see it colored red and the second picture is what the screw should look like tho adjust your throttle, let me know if this helps.

Nice find Geoff