Please tell me about the procedures when acquiring, transferring, scrapping, changing address, etc. of a two-wheeled vehicle or four-wheeled light vehicle over 125cc.

Please go through the procedures at the transportation branch office that has jurisdiction over your address (location of base of use) and the Light Motor Vehicle Inspection Organization.
[Office that has jurisdiction over Inagi City]
(1) Motorcycles over 125cc Tokyo Transport Branch Office Tama Motor Vehicle Inspection Registration Office Address: Kita 3-30-3, Kunitachi City
Telephone 050-5540-2033
(2) Light vehicles (light four-wheeled and light three-wheeled vehicles)
Light Motor Vehicle Inspection Organization Tama Branch Address: 3-16-22 Asahi-cho, Fuchu-shi
Telephone 050-3816-3104
Note: The phone number has changed since October 1, 2014 (connected to the Light Motor Vehicle Inspection Organization Call Center)