50mm BBK advice

[jjohns2711]

I'm going to install a 50mm BBK kit on my 50cc scooter this weekend. I have the whole assembly here with me as we speak: new piston, piston rings, big bore shaft, new head, new rocker arms, you name it. I purchased some feeler gauges to set the valves correctly, some Permatex engine assembly lube for the piston to avoid a dry start and some high temp RTV to help seal the gasket.

I also purchased a new 19mm carb with a #90 main jet to help with fuel consumption.

Anything I should keep in mind or any advice I should get before installing the BBK? Thanks in advance