(625 ILCS 40/Art. IV heading)

(625 ILCS 40/4-1) (from Ch. 95 1/2, par. 604-1) Sec. 4-1. Equipment. All snowmobiles operating within the State of Illinois shall be equipped with: A. At least one white head-lamp having a minimum candlepower of sufficient intensity to exhibit a white light plainly visible from a distance of at least 500 feet ahead during hours of darkness under normal atmospheric conditions. If a snowmobile is equipped with a single beam lamp, such lamp shall be so aimed that when the vehicle is loaded none of the high intensity portion of the light, at a distance of 25 feet in front of the vehicle, projects higher than the level of the center of the lamp from which it originates. B. At least one red tail lamp having a minimum candlepower of sufficient intensity to exhibit a red light plainly visible from a distance of five hundred feet to the rear during hours of darkness under normal atmospheric conditions. C. A brake system in good mechanical condition. D. Reflective material of a minimum area of 16 square inches mounted on each side of the cowling. Identifying numbers may be included in computing the required 16 square inch area. E. Adequate sound suppression equipment. No snowmobile manufactured after June 1, 1972, shall be sold or offered for sale, unless it is equipped with sound suppression devices that limit total machine noise in accordance with noise pollution standards established pursuant to the Environmental Protection Act. (Source: P.A. 82-417.)

(625 ILCS 40/4-2) (from Ch. 95 1/2, par. 604-2) Sec. 4-2. Inspection and Testing. The Department may adopt rules and regulations with respect to the inspection of snowmobiles and the testing of machine noise. (Source: P.A. 77-1312.)

(625 ILCS 40/4-3) (from Ch. 95 1/2, par. 604-3) Sec. 4-3. Sale Prohibited. No person shall have for sale, sell, or offer for sale in this State any snowmobile which fails to comply with Section 4-1, or which does not comply with the specifications for such equipment required by the rules and regulations of the Department after the effective date of such rules and regulations. (Source: P.A. 77-1312.)

(625 ILCS 40/4-4) (from Ch. 95 1/2, par. 604-4) Sec. 4-4. Racing Machines. Snowmobiles used only on international or national competition circuits in events for which written permission has been obtained by the sponsoring or sanctioning body from the governmental unit having jurisdiction over the location of any event held in this State are exempt from the provisions of this Article. (Source: P.A. 78-856.)