roll spark plug wont run help

  1. HadesBike05

    spark plug preventing movement

    Hello everyone! I am coming to the end of my first build and I am running into this issue and I have no clue what to do. My MB will roll forward wether or not the clutch is in but will not roll at all if the spark plug is in the engine. It just refuses to roll forward at all. I am not sure what...

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