33 C.F.R. § 183.526 Carburetors.
Title 33 - Navigation and Navigable Waters
(a) [Reserved] (b) Each carburetor must not leak more than five cubic centimeters of fuel in 30 seconds when: (1) The float valve is open; (2) The carburetor is at half throttle; and (3) The engine is cranked without starting; or (4) The fuel pump is delivering the maximum pressure specified by its manufacturer. (c) Each updraft and horizontal draft carburetor must have a device that: (1) Collects and holds fuel that flows out of the carburetor venturi section toward the air intake; (2) Prevents collected fuel from being carried out of the carburetor assembly by the shock wave of a backfire or by reverse air flow; and (3) Returns collected fuel to the engine induction system after the engine starts, [CGD 74–209, 42 FR 5950, Jan. 31, 1977, as amended by CGD 77–98, 42 FR 36253, July 14, 1977]
Title 33: Navigation and Navigable Waters
PART 183—BOATS AND ASSOCIATED EQUIPMENT
Subpart J—Fuel Systems
Equipment Standards
§ 183.526 Carburetors.
