typhoon flywheel lightening question

What are the pro's/con's of getting a lightened flywheel for a typhoon 125? Is it a good mod? Does it change reliability? Does it change hp? I think im working backwards on the bike but I want the rest of the bike ready for when i bolt down the 172 kit, im not gana even atempt porting, I love the idea of doing it but I know what the realistic outcome lol, iv cut+welded a plate to fit a pm360, dellorto 25mm, open filter,carbon reeds, pro street variator, 12.5 rollers, pm clutch bell with standard clutch. The next step is 172 kit, hopfully then I will just be maintaining her

 

i said flywheel but ment fixed pully!!

 

Don't bother lightening the fixed pully, it's teeth are there for the electric start (not realy an issue) the fins are to move air across the clutch/belt to help keep it cool. The flywheel will help it pick up quicker on the throttle!