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Briggs and Stratton 675 Series Spark Plug Replacement

Introduction

The spark plug is responsible for igniting the fuel in your engine. Over time, it will wear out and need to be replaced. This replacement is fairly simple and can be done anywhere in little time. You will need a 2" long 13/16" socket wrench to remove the spark plug.

What you need

  1. Briggs and Stratton 675 Series Spark Plug Replacement, Cap Removal: step 1, image 1 of 2 Briggs and Stratton 675 Series Spark Plug Replacement, Cap Removal: step 1, image 2 of 2

    • Make sure the engine is turned off before beginning.

    • Use your hands to remove the spark plug wire. It should pop off easily with little effort

    Edit

  3. Briggs and Stratton 675 Series Spark Plug Replacement, Spark Plug Removal: step 2, image 1 of 3 Briggs and Stratton 675 Series Spark Plug Replacement, Spark Plug Removal: step 2, image 2 of 3 Briggs and Stratton 675 Series Spark Plug Replacement, Spark Plug Removal: step 2, image 3 of 3

    • Use a socket wrench with a 13/16" hex bit to unscrew the spark plug from the engine. You will probably need to use a long hex bit in order to get to the bolt.

    • Pull the spark plug out of its housing with your hands.

    • Alternatively, you may use a wrench or pliers to remove the spark plug instead. (Shown in the second image.)

    Edit
Conclusion

To reassemble your device, follow these instructions in reverse order.

6 other people completed this guide.

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Andrew Saunders

Member since: 02/01/15

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Cal Poly, Team 6-31, Amido Winter 2015 Member of Cal Poly, Team 6-31, Amido Winter 2015

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12 Comments

I have a Briggs and Stratton engine on my lawn mower but can't get at the spark plug as there is some kind of black plastic housing in front of it.

penora - Reply

Any ideas I have a Briggs and Stratton engine on my lawn mower but can't get at the spark plug as there is some kind of black plastic housing in front of it.

penora - Reply

pinch the front of black cap and pull off

tracy.mullen - Reply

What size spark plug does this 675 series lawn mower take, I didn't see it listed?

Eris - Reply

What size spark plug does this 675 series lawn mower take, I didn't see it listed?

Kymberleah - Reply

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