thinking of going 4 stroke

I'm after selling my 2 storke bike ( first build ) it was a 66cc kit. I was thing
of going 4 stroke the kit is a 49cc.

I commute to work (34 miles round trip) and there are plenty of hills would
I get the same power out of this kit or does a 2 stroke have more ? I know
it would save of fuel also I'm thinking of a shift kit aswell.

Are the 49cc 4 stroke powerful or is it possible to get a slightly bigger 4 stroke and would anyone know what speed do you get out of a 4 stroke compared to a 2 stroke ? and is it worth the money putting ina shift kit ?

Scol.

So If I was to go for a 4 stroke ( I was looking at the 49cc ) as I live in Europe
and I can't find a 79cc over this side of the world. If anyone know's anyone who
import them into Europe please send me a message !!!
So I think it's a 4 stroke with a shift kit.