DescriptionThis video provides step-by-step repair instructions for replacing the breather tube on a Briggs and Stratton small engine. The most common reason for replacing the breather tube is the engine not running smoothly.
All of the information for this breather tube replacement video is applicable to the following brands:
Briggs & Stratton, MTD
Tools needed: 5/16 inch socket or nut driver
Step-By-Step Instructions1
Before you replace the breather tube on your engine first make sure the engine has cooled.
2
Next, you should remove the wire and boot from the spark plug to prevent the engine from accidentally starting.
3
We recommend performing this procedure with little or no fuel in the tank.
4
Now loosen the rope guide wing nut and remove the starter rope.
5
Use a 5/16th inch socket or nut driver to unthread the bolts securing the blower housing cover.
7
Lift the fuel tank off of the housing.
8
Detach the old breather tube from the air filter housing and pull it out of the crankcase.
9
Install the new breather tube by inserting the tapered end into the hole in the crankcase until the lip is fully flush.
10
Attach the opposite end of the tube to the air filter housing.
11
Realign the fuel tank tabs with the slots in the blower housing and snap the tank into place.
12
Replace the blower housing cover then thread and tighten the bolts to secure.
13
Depress the bail arm extend the starter rope and hook the rope on the guide.
14
Tighten the rope guide wing nut.
15
With the repair completed reattach the wire and boot to the spark plug refill the fuel tank and your engine should be ready for use.