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Fix Your Stuff

Right to Repair

Parts & Tools

Introduction

In a gasoline engine, a Spark Plug provides an electrical spark to ignite to fuel inside, generating horsepower. Over time, a Spark Plug's ability to ignite will reduce from wear and eventually not work. Replacing Spark Plugs ensures your engine will run at optimal efficiency.

  1. Tug the Spark Plug Cap from the top of the Spark Plug (between the OHV housing and the exhaust manifold) with your hands to remove it. Tug the Spark Plug Cap from the top of the Spark Plug (between the OHV housing and the exhaust manifold) with your hands to remove it. Tug the Spark Plug Cap from the top of the Spark Plug (between the OHV housing and the exhaust manifold) with your hands to remove it.
    • Tug the Spark Plug Cap from the top of the Spark Plug (between the OHV housing and the exhaust manifold) with your hands to remove it.

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  3. Make sure the engine is turned off and cool to the touch before completing this step. Using a ¼ “ socket and Handheld Ratchet, loosen the three screws holding the Exhaust Manifold Heat Shield on.
    • Make sure the engine is turned off and cool to the touch before completing this step.

    • Using a ¼ “ socket and Handheld Ratchet, loosen the three screws holding the Exhaust Manifold Heat Shield on.

  4. Once the Heat Shield is removed, grip the Spark Plug’s threaded diameter with an Adjustable wrench and rotate counterclockwise. Alternatively, you may use a 5/8" wrench or 5/8" deep socket along with a handheld ratchet. Remove the Champion RC12YC Spark Plug from the device.
    • Once the Heat Shield is removed, grip the Spark Plug’s threaded diameter with an Adjustable wrench and rotate counterclockwise.

    • Alternatively, you may use a 5/8" wrench or 5/8" deep socket along with a handheld ratchet.

    • Remove the Champion RC12YC Spark Plug from the device.

Conclusion

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

2 other people completed this guide.

Jack Linchey

Member since: 04/19/2018

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Cal Poly, Team S25-G15, Maness Spring 2018 Member of Cal Poly, Team S25-G15, Maness Spring 2018

CPSU-MANESS-S18S25G15

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