https://ngk-tm250.qwm.app/video/ngk-iridium-ix/https://i.ytimg.com/vi/BjukLiQQ3ac/hqdefault.jpgIridium IX Spark Plugs from NGK NG6418GaragePros introduces NGK Iridium IX spark plugs. General product-family background, not a Suzuki TM250 installation or fitment test.https://www.youtube.com/embed/BjukLiQQ3ac2017-07-17T11:11:18-07:00