South Dakota Administrative Rules — Title 64 (Revenue)
ARSD § 64:30:05:11 — Rebuilt motorcycle 1970 or newer
64:30:05:11. Rebuilt
motorcycle 1970 or newer. A 1970 or newer model motorcycle shall be titled
by the frame number as specified by the manufacturer. The South Dakota title
shall reflect the frame number as the serial number of the motorcycle.
If the motorcycle has an after market frame replacement, a
new serial number shall be assigned and a rebuilt title issued to the owner. If
the engine is replaced by an after market engine or cases, a new serial number
shall be assigned and a rebuilt title issued to the owner.
If the motorcycle has had an original manufactured
replacement engine installed, a new serial number is not assigned, but the
motorcycle shall be inspected. The title is not issued as a rebuilt.
Source: official text