DescriptionThis video provides step-by-step repair instructions for replacing the on/off switch on a Briggs and Stratton small engine (commonly found in generators). The most common reasons for replacing the on/off switch are when the switch doesn't snap firmly into the “on” or “off” positions, when the engine is hard to start, or when the engine won’t start at all.
All of the information for this on/off switch replacement video is applicable to the following brands:
Briggs and Stratton, Toro
Tools used: marker, needle-nose pliers, 10mm socket
Step-By-Step Instructions1
Before you replace the on-off switch 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
Note the hole where the governor spring is connected to the arm – then disconnect it.
4
Now use a 10mm socket to remove the bolts securing the switch bracket and pull the bracket free.
5
Disconnect the wires from the on-off switch.
6
Depress the tabs to release the old switch from the bracket.
7
Install the new on-off switch by inserting it into the bracket until it snaps into place.
8
Connect the wires to the terminals on the new switch.
9
Confirm that the bracket shield is properly aligned on the engine housing.
10
Reposition the bracket align the grounding wire and replace the bolts to secure.
11
Reconnect the governor spring to the appropriate hole in the arm.
12
Reattach the wire and boot to the spark plug and the engine should be ready for use.