"Motor-driven cycle" shall mean any motorcycle or motor scooter with a motor which produces not to exceed 5 horse-power, and any bicycle with motor attached except any electric bicycle.
N.H. Rev. Stat. Ann. § 259:65
Motor-Driven Cycle
Source
Official source: New Hampshire General Court. Reproduced from public-domain New Hampshire statutes; confirm against the official source for the current text. Not legal advice.