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Briggs & Stratton Lawn Mower Engine Float Assembly #398187

This video provides step-by-step repair instructions for replacing the float assembly (which includes the float and the needle) on a Briggs and Stratton small engine (commonly found in lawn mowers, riding tractors, zero-turn radius mowers, wheeled edgers, pressure washers, and generators). The most common reasons for replacing the float assembly is when the engine is leaking gas.

All of the information for this float assembly replacement video is applicable to the following brands:
Briggs & Stratton, Toro, John Deere, Lawn Boy, Craftsman, Murray

Tools needed: Phillips-head screwdriver, 5/16th inch socket or nut driver, pliers, ¼ inch socket or nut driver, locking pliers, 3/8 inch socket or nut driver, ½ inch socket
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How your small engine works:

For additional repair advice and help finding your model number visit the repair help section of our website: Small Engine repair help