Made some headway on this conversion. I took the carb off and took it partially apart to clean it up. Readjusted the throttle plate. I only see light where the shaft goes thru the body. I also put gasket sealer on the carb base gasket. I seems to run better now and idle a little lower. I think the higher idle is carb related. I sprayed WD40 around the base of the carb and back plate gasket. I'm not sure what was supposed to happen but nothing changed at idle. I'm able to lean the LS needle more now. I even had to richen the HS needle some. The high speed is a little rich. Transition to WOT is pretty smooth. If I let it idle for abut 3 minutes and then open the throttle quickly, it spits a little gas from the carb and stumbles ever so slightly thens clears up. Once it's cleared out, it throttles up quickly nice. The LS might be a little rich yet. I want to get a muffler and 18X6 prop on it before I fine tune it.
I did notice that when I sprayed WD40 around the carb, the WD40 would run down to the open exhaust which would atomize it. It would then get sucked into the carb and the idle would increase.