This blog is a step-by-step instruction for replacing the on/off switch on a Briggs and Stratton engine that commonly found in generators. The most common reasons for replacing the on/off switch are when the switch does not snap firmly into the on or off positions, when the engine is hard to start, or when the engine won’t start at all.

Replacement

Before you begin the replacement, you need to make sure the engine has cooled and remove the wire and boot from the spark plug to prevent the engine from accidentally starting.
Step 1: Mark the hole where the governor spring is connected to the arm then disconnect it. Now use a 10 millimeter socket to remove the bolts securing the switch bracket and pull the bracket and shield free.
Step 2: Disconnect the wires from the on/off switch, depress the tabs to release the old switch from the bracket.
Step 3: Install the new on/off switch by inserting it into the bracket until it snaps into place.
Step 4: Connect the wires to the terminals on the new switch. Confirm that the bracket shield is properly aligned on the engine housing. Reposition the bracket align the grounding wire and replace the bolts to secure.
Step 5: Reconnect the governor spring to the appropriate hole in the arm. Then reattach the wire and boot to the spark plug and the engine should be ready for use.

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