The carb's really aren't THAT bad. just a bit tempermental at times... A good cleaning will get'er back up to par right quick :D
You should pickup a 14-16mm intake from treats on ebay, replace the reed-cage with a tomos one, and slap on a 15.15 or 16.16 dellorto :D
Pipe... you should be able to derestrict that badboy, and w/ the above setup hit close to 40ish :D
Grats and welcome to the french family ;)