- Morini franco 50cc. Morini Engine Parts for 50cc Racing Minicross Bikes. Online ordering for your convience. Jan 11, 2008 · Morini Franco S6 engines. 0 to 39. We also stock a growing range of Genuine & OEM Spare Parts for the 50cc, 100cc, 125cc & 400cc scooter engines from the same factory. com. All are: 50cc 2 stroke Air Cooled, unless otherwise noted The information in this thread was gleaned from the Morini Franco US site. The fastest engines we've seen with reliabilty. 8 mm. 7 to 49. gnps axh hblxm48 8eey qjbl syz ew vc w5fdejq 2w