How to Replace a Spark Plug on a Scooter

by Barry Gwin

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


  • 1 Scooter
  • 1 Spark plug
  • 1 Spark plug wrench
  • Instructions

    Step 1

    Grab a spark wrench and a new spark plug.

    Step 2

    Remove side panel.

    Step 3

    Remove the spark plug using the wrench.

    Step 4

    Grab a spark plug.

    Step 5

    Remove cap if needed.

    Step 6

    This is the cap removed.

    Step 7

    Install the spark plug.

    Step 8

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

    Step 9

    Install side panel.

    Step 10

    You're ready to ride.