How to Replace a Spark Plug on a Scooter

Basic steps for replacing a spark plug on a scooter. I'm demoing on a Lambretta Series 2 LI150.

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Grab a spark wrench and a new spark plug.

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Remove side panel.

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Remove the spark plug using the wrench.

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Grab a spark plug.

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Remove cap if needed.

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This is the cap removed.

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Install the spark plug.

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When installing the spark plug tighten by hand first then give a quarter turn with the wrench or until tight.

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Install side panel.

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You're ready to ride.

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