To buy a used ATV on Craigslist.org, first select your location from the navigation bar on the right side of the homepage. On the next page, click on 'ATV/UTV/SNO' under the For Sale heading and browse ATVs for sale. Contact the seller via the phone number or email provided.
If the For Sale list does not contain 'ATV/UTV/SNO', type "ATV" into the search bar on the left side of the page and click Search.
The list will show used ATVs and ATV products for rent and sale in your selected city and nearby locations. It may occasionally include neighboring states, which are labelled in upper-case text.