Every gasoline engine installed in a vessel after April 25, 1940, except an outboard motor, shall be equipped with an acceptable device to control backfire flame. The device shall comply with all of the following:
(a) Be securely attached to the air intake with a flame-tight connection;
(b) Be in proper working order;
(c) Be coast guard approved or comply with either SAE J1928 or UL 1111;
(d) Be marked to indicate approval or compliance under this section.
(ORC 1547.28)