0135774RR垢版 | 大砲2022/03/31(木) 18:52:20.05ID:AbK9y5Iq バイクのプラグが永久とか言ってる阿呆はこれでも読んどけ https://www.ngk-sparkplugs.jp/ngk/pickup/replace_time/ https://www.denso.com/jp/ja/products-and-services/automotive-service-parts-and-accessories/plug/inspection/