I have a 25 mm Delly bought it secondhand because I am skint lol any way it's got a 65 choke jet In seems a little high gilera runner 172 with scorpion exhaust and open filter
dont worry to much , i got a 17.5mm delly and its got a 60 choke jet shoved in it stuffed on a 50cc scooter lol just means its a little bit of a Ahole to start on cold mornings instead of 5 kicks it takes like 15 lol