So I broke down and did it... I had to grid down the outside of the transfers like Jon said, especially the transfer on the right side of the cylinder (forward looking aft).
75cc Polini Minarelli Kit
Dellorto 15.15 SHA
Rad new air filter that actually fits an SHA!
New variatior belt
Puch Leo Vince exhaust.
Blue fuel line for bonus points
Haven't tuned it yet. Slapped an 80 jet in the carb and started it. Chaecked for airleaks and then took it for a spin down the block and back. The low-end power is insane with this kit/engine combo. the bike literally jumps when you crak the throttle!