Discover the difference between a standard spark plug and NGK Iridium IX. This comparison highlights durability, ignition performance, and efficiency, helping riders choose the right spark plug for smoother acceleration, better fuel economy, and long-lasting engine reliability. https://www.mediafire.com/file/srw91hzilpauuat/Basic+Spark+vs+NGK+Iridium+IX+Spark+Plug.mp4/file