Section 821.220 - Operating improperly equipped all-terrain vehicle; civil liability; penalty(1) A person commits the offense of operating an improperly equipped all-terrain vehicle if the person operates any all-terrain vehicle without the following equipment: (a) An adequate braking device that may be operated either by hand or foot.(b) An adequate and operating muffling device that shall be maintained in good working order and in constant operation and shall effectively blend the exhaust and motor noise in such a manner so as to comply with all applicable noise emission standards established by the Department of Environmental Quality.(2) The Department of Environmental Quality shall establish procedures for testing of noise levels consistent with this section.(3) All-terrain vehicles used in organized racing events in an area designated for that purpose shall comply with the motor sports vehicles and facilities regulations of the Department of Environmental Quality.(4) In addition to other penalties provided by this section, the owner or operator of an all-terrain vehicle may be liable as provided under ORS 821.310.(5) The offense described in this section, operating an improperly equipped all-terrain vehicle, is a Class C traffic violation. 1985 c.459 §30; 1987 c.587 §12; 1989 c.991 §14; 1995 c.383 §33; 1999 c.59 §245