Under 21 Must have Helmet
This Information comes DIRECTLY from the Arkansas State Motorcycle website. So you know it is up to date, Click on the Heading for the Details and All Current Rules and Regulations
Motorcycle helmet laws vary widely among the states and have changed a lot in the past half a century.
Follow this and get the current Webpage from the Insurance Institute for Highway Safety, or go to the Laws section under each State for a direct link to the States Site.