Spark Arresters Required

Mont. Code Ann. § 76-13-125, under Protection of Forest Resources.

Mont. Code Ann. § 76-13-125

A person may not use, drive, or operate within any wildland an internal combustion engine that is not equipped with a modern, efficient, and adequate spark arrester to prevent the escape of sparks, coals, cinders, and other burning material from the exhaust of the engine.