It was so easy, you only had to modify the variator (the automatic transmisión of the scooter) because the limitation was just a low gear that didn’t let you go faster (think of driving always on first gear). You removed a stop on the variator that let you use the full range and the limit was gone.

Anyway, 2 stroke motors were also easily tunable, and people used to change the escape, carburetor, even sometimes the cilinder was changed to have more power on those little machines.

Norwegian here: When I grew up (I was born in 1980) there was a thriving market for performance parts for "moped"s small motorcycles (max 2,5hp, 50ccm).

You could get replacement cylinders and everything. According to what I heard if you upgraded everything you could get about 16hp out what used to be one of these underpowered machines.

pota un altro bergamasco su hacker news pazzesco

Ahahah pota si! Ho guardato il tuo profilo e ho capito (quanto meno di fama) chi sei! Mi ricordo di aver letto di cubetto, bellissimo progetto! Posso contattarti all'indirizzo email presente nel profilo matlo.me per chiederti da bergamasco a bergamasco un po' come sta andando la tua avventura?