South Dakota has some great trails to take your ATV on, and you want to make sure when you riding with your friends, that you do it legally. That includes knowing the rules and regulations for your State (and thereby saving yourself from a costly ticket) and riding legally and safely.
If you have an ATV, you must register it with the State of South Dakota. The State of South Dakota defines an off-road vehicle as "any all-terrain vehicle with four or more wheels with a combustion engine having a piston or rotor displacement of two hundred cubic centimeters or more may be licensed as a motorcycle to be used on a public highway". Even if you have registered your ATV with the State of South Dakota, you still may not operate it on any interstate highway. If you are under the age of 18-years of age, you can't register an ATV. To register an ATV in the State of South Dakota you must be over the age of 18-years of age and possess a valid drivers license.
In order to register your ATV in South Dakota, you must possess the title and registration for your ATV and you must complete the registration form. You will need to show your valid South Dakota driver's license and Social Security number of each ATV that you choose to register. A manufacturer's statement of origin (MSO) or valid ownership document must be attached, also ATV affidavit and proof of sales tax paid must be submitted at time of application and licensing.
South Dakota makes it easy to register your ATV, all the information is online at the State's website, https://www.state.sd.us/eforms/secure/eforms/E0864V5-MotorVehicleTitle.pdf. Happy ATV riding and happy ATV registering!