(2)__Snowmobiles manufactured after October 1, 1973, but on or before February 1, 1975, and offered for sale or sold in this State must be constructed to limit the total vehicle noise to not more than 82 decibels of sound pressure level at 50 feet on the "A" scale, as measured by the SAE standards J-192; and

(3)__Snowmobiles manufactured on or before October 1, 1973 are not subject to a specific noise level, except that they may not be modified in violation of this subsection.

15.__Operating snowmobile with insufficient lights.__Except as provided in section 13112, a person may not operate a snowmobile that is not equipped as follows:

A.__Every snowmobile must have mounted on the front at least one headlight capable of casting a white beam for a distance of at least 100 feet directly ahead of the snowmobile; and

B.__Every snowmobile must have mounted on the rear at least one lamp capable of displaying a red light visible at a distance of at least 100 feet behind the snowmobile.

A person who violates this subsection commits a civil violation for which a forfeiture of not less than $100 nor more than $500 may be adjudged.

16.__Failure to use snowmobile lights.__Except as provided in section 13112, a person may not fail to use lights:

A.__During the period from 1/2 hour after sunset to 1/2 hour before sunrise; and

B.__At any time when, due to insufficient light or unfavorable atmospheric conditions caused by fog or otherwise, other persons, vehicles and other objects are not clearly discernible for a distance of 500 feet ahead.

A person who violates this subsection commits a civil violation for which a forfeiture of not less than $100 nor more than $500 may be adjudged.