1. off base, out Gate 1 in Mihama, Sunabe, Minato areas
2. Skype or Vonage works like a champ
3. I've seen cruiser bikes on the roads, though not many. Know that being an island, lots of salt in the air = corrosion to your bike if you're not careful. Also, you'll have to take the local conditions course give by the MSF (PACAF requirement) prior to riding. And I THINK, but not 100% sure, that to JCI your bike you have to ship it to mainland Japan.