sizes?

Just need some confirmation on the hole sizes on bottom and top yokes for both Showa and Ohlins forks please. Tried google but three different sizes so far.... Be for non-radial ones, not sure if they ever changed?

Some advice would be appreciated guys...I'm currently in need of a front tyre on my Mille (road). I'm running 190/50 and 120/60 combo on Pilot Powers, I see the recommended size according to my manual is a 120/70 front tyre...should I go with the 70 or keep the 60? I mostly do daily riding and...