I don't read Italian, but from google translate, the motorcycle side of Marzocchi is no more http://www.motociclismo.it/marzocch...ura-alle-case-a-esaurimento-scorte-moto-61768
There are a lot of third parties providing the usual wear items (seals, bushings...) so I'm not worried. Now a full replacement, that's pretty unusual, (unless you run into a car?) Not sure. 45mm seems a bit of an odd sizing if I compare to other bikes I've ridden. (46mm on the Honda 450, 47mm on the KTM 300) Any replacement might require a matching set of triple clamps too.
They wrote, in short, that: Currently, they aren't producing forks any more, so, when their warehouses will be empty, they won't supply any forks to the brands which install them as OEM parts. The factory was purchased by Tenneco in 2008 and Tenneco has decided that producing forks is not lucrative any more.