Iowa Code 321G.11 – Mufflers required
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1. The exhaust of every internal combustion engine used in any snowmobile shall be effectively muffled by equipment constructed and used to muffle all snowmobile noise in a reasonable manner in accordance with rules adopted by the commission.
Terms Used In Iowa Code 321G.11
- Commission: means the natural resource commission of the department. See Iowa Code 321G.1
- Snowmobile: means a motorized vehicle weighing less than one thousand pounds which uses sled-type runners or skis, endless belt-type tread with a width of forty-eight inches or less, or any combination of runners, skis, or tread, and is designed for travel on snow or ice. See Iowa Code 321G.1
- Special event: means an organized race, exhibition, or demonstration of limited duration which is conducted on public land, public ice, or a designated snowmobile trail under the jurisdiction of the commission according to a prearranged schedule and in which general public interest is manifested. See Iowa Code 321G.1
- state: when applied to the different parts of the United States, includes the District of Columbia and the territories, and the words "United States" may include the said district and territories. See Iowa Code 4.1
2. The commission may adopt rules with respect to the inspection of snowmobiles and testing of snowmobile mufflers.
3. A separate placard shall be affixed, permanently and conspicuously, to any new snowmobile sold or offered for sale in this state that does not meet the muffler requirements as stated above. The placard shall designate each snowmobile which does not meet the muffler requirements.
4. A snowmobile manufactured after July 1, 1975, which is sold, offered for sale or used in this state, except in an authorized special event, shall have a muffler system that limits engine noise to not more than seventy-eight decibels as measured on the “A” scale at a distance of fifty feet.