There is no age limitation for the operation of a snowmobile. However, no person under the age of 14 may drive a snowmobile across a roadway as defined in SDCL § 32-14-1(27) of a highway as defined in SDCL §§ 31-1-5(1) to 31-1-5(4), inclusive, except under the immediate direction of a parent, legal guardian, or person who is 18 years of age or older.
(SDCL § 32-20A-3) Penalty, see § 70.99