My 1971 60 hp runs good, however, when I adjust idle on #1 carb there is no difference in rpm no matter where I turn screw. I put carb kits on all 3 carbs, runs great at speed. Any suggestions?
may you did not get the low speed orifices clean in #1. the little tiny hole under the compression plug, they can be cleared from the inside of the carb throat, using a small paper clip.