- Definition (Transp. Code §541.201(8) as quoted in TxDMV materials): ≤ 30 mph in one mile; ≤ 5 bhp; ICE ≤ 50 cc; drive system that does not require shifting.
- License: TDLR motorcycle operator manual: Class M required for mopeds.
- Title / registration: TxDMV materials describe title and registration for mopeds meeting the definition, with inspection commonly included. Confirm current TxDMV rules. The 50-state index keeps these cells unknown until locked.
- Helmet: FMVSS 218 helmet required for moped operators/passengers in TDLR materials, with 21+ exemptions if approved training completed or medical insurance documentation as described in that manual — confirm current rules.
Official links: TxDMV moped rule PDF, TDLR motorcycle operators manual (PDF).
Index: US moped laws.