| Well as a whole i think a 50cc a/c 6 port would be incredible, i think though at that power the cooling becomes crucial especially with that many rpm to obtain such hp figures.
For a 50cc to be able to do 15-18k rpm it would need substantial cooling to safely sustain these sort of rpm. This would also be a factor in design which limits the a/c to its 12-14k rpm. There is physical attributes which limit it from needing this water cooling i guess. | 
