Gilera DNA exhaust changing.

Hey, Im new here.

I've been searching around the web on how to change the exhaust on my gilera dna, seems simple until it comes to the point I gotta change the jet on my carb.. which is hmm confusing as im not really an expert with mopeds.

I would like some help if anyone knows how to..
ALSO what exhaust would you recommend me?

thanks
/b :mod:

 

I've never reall changed anything to my gilera, but want to start since i will be riding on the roads by 10th of may and would love to change the exhaust of my gilera as the old one is all rusty and looks like a big poop, I dont really want exhaust for the performance but something that looks better but don't really mind any of both, but I get confused in what exhaust to choose and what size jet i will requiered also if its a hard job to do as im inexperienced.

 

Right, so leo vince TT apparently 8%-10% of rejet, http://www.buggypartsnw.com/bpnw-info-center-introduction/11-how-to-rejet-a-carburetor found that guide but I understand.. NOTHING. lol