Any two wheeled vehicle with 50cc's or less AND cannot exceed 30 MPH is considered a moped. Can be registered as a moped and can be driven with a regular operator's drivers license. Anything over 50 cc's and or can reach speeds above 30 MPH falls under the motorcycle category and must be registered as a motorcycle and requires a motorcycle license.

Any Off Highway Vehicle is considered a "non-title" vehicle in the State of New Hampshire

Vehicle that are 15 years old or older do not require a title in the State of New Hampshire.

45 MPH on all trails where no speed limit is posted.

The decibel limit in NH is 106

Trail Bikes and ATV's cannot emit a noise greater than 96 decibels