Why did reforming the Ottoman Empire on the Western model take so long, but then reforming Japan took only about a few decades?

by Flamma50

I just don't get how it takes the Ottoman Empire 200+ years to incompletely westernize, yet Japan managed to fully westernize in a few decades.

TheOneFreeEngineer

I think it might be a really important clarification to explain exactly what you mean by westernize