DescriptionThis video provides step-by-step repair instructions for replacing the muffler on a Briggs and Stratton small engine (which is commonly found in lawn mowers, riding tractors, zero-turn radius mowers, wheeled edgers, pressure washers, generators, log splitters, and snowblowers). The most common reason for replacing the muffler is when the engine is unusually loud.
All of the information for this muffler replacement video is applicable to the following brands:
Briggs & Stratton, Toro
Tools needed: nut driver, socket wrench
Step-By-Step Instructions1
Before you begin this repair, make sure the engine has cooled remove the wire and boot from the spark plug and turn off the fuel valve.
2
Your first step is to remove the screws and bolt securing the muffler guard.
4
Next, remove the mounting bolts securing the muffler itself and pull the old muffler out.
5
Install the new muffler by inserting it into the cylinder head and aligning it with the gasket then secure both with the mounting bolts.
6
Reposition the guard and secure it with the screws and bolt.
7
With the new muffler in place, you can now turn the fuel valve back on and reattach the spark plug wire and boot.