The exhaust of every internal combustion engine used on any motorboat shall be effectively muffled by equipment so constructed and used as to muffle or suppress the noise of the exhaust in a reasonable manner. The use of cutouts or open exhaust stacks is prohibited, except:
(1) On motorboats competing in a regatta, race or trial for speed records authorized as provided in ORS 830.375 (Authorization required to hold marine event).
(2) On racing motorboats while the boat or equipment on the boat is being tried or tested in compliance with ORS 830.350 (Testing racing motorboat). [Formerly 488.052]
3 OregonLaws.org assembles these lists by analyzing references between Sections. Each listed item refers back to the current Section in its own text. The result reveals relationships in the code that may not have otherwise been apparent.