Easy way to make a leak free carb to intake manifold.
Light coat of silicone rtv on intake manifold but do not get the stuff on the very end of the manifold you don't want it in the carb.
Take your carb and push it on the intake manifold and just as you get it almost all the way on twist it a little and try to line up the casting seam on the carb with the casting seam on the manifold. While holding it in place tighten up the carb mounting bolt. You can ride it now or wait a day. To check for a good seal while engine is running spray the seal area with carb cleaner or starting fluid a change in rpm will mean you need to do it again which I have not had to do again as it worked every time so far.
Norman
Light coat of silicone rtv on intake manifold but do not get the stuff on the very end of the manifold you don't want it in the carb.
Take your carb and push it on the intake manifold and just as you get it almost all the way on twist it a little and try to line up the casting seam on the carb with the casting seam on the manifold. While holding it in place tighten up the carb mounting bolt. You can ride it now or wait a day. To check for a good seal while engine is running spray the seal area with carb cleaner or starting fluid a change in rpm will mean you need to do it again which I have not had to do again as it worked every time so far.
Norman