spark plug color

  1. arkAC

    Info Main Jet & Spark Plug Color indications / Bougie kleur indicatoren

    THE MAIN JET It’s one of the most important elements of the carburetor’s adjustment, because it calibrates the fuel delivered by the main system. To begin you have to try some jets, and it is good to start with a bigger jet to prevent the engine damage with a too poor fuel mixture that would...