General Provisions and Definitions for Oregon Vehicle Code

ORS 801.194
“Class III all-terrain vehicle” and “Class IV all-terrain vehicle”


“Class III all-terrain vehicle” means a motorcycle that travels on two tires and that is actually being operated off highway.


“Class IV all-terrain vehicle” means any motorized vehicle that:


Travels on four or more pneumatic tires that are six inches or more in width and that are designed for use on wheels with a rim diameter of 14 inches or less;


Is designed for or capable of cross-country travel on or immediately over land, water, sand, snow, ice, marsh, swampland or other natural terrain;


Has nonstraddle seating;


Has a steering wheel for steering control;


Has a dry weight of 2,500 pounds or less; and


Is 80 inches wide or less at its widest point. [1989 c.991 §2; 2011 c.360 §3; subsection (2) of 2011 Edition enacted as 2011 c.360 §5; 2019 c.491 §4]


Last accessed
Jun. 26, 2021