{"id":24,"date":"2026-07-15T05:06:33","date_gmt":"2026-07-15T05:06:33","guid":{"rendered":"https:\/\/yellowbikeshop.com\/?post_type=product&#038;p=24"},"modified":"2026-07-15T05:06:34","modified_gmt":"2026-07-15T05:06:34","slug":"crankshaft","status":"publish","type":"product","link":"https:\/\/yellowbikeshop.com\/index.php\/product\/crankshaft\/","title":{"rendered":"Crankshaft"},"content":{"rendered":"<p><strong>Crankshaft<\/strong> (atau <strong>aci engkol<\/strong>) ialah komponen utama dalam enjin yang menukar pergerakan naik turun piston kepada putaran untuk menggerakkan motosikal.<\/p>\n<p>Tanda-tanda crankshaft bermasalah termasuk:<\/p>\n<ul>\n<li>Bunyi ketukan atau &#8220;knocking&#8221; dari bahagian bawah enjin.<\/li>\n<li>Enjin bergegar lebih daripada biasa.<\/li>\n<li>Bearing crankshaft berbunyi kasar.<\/li>\n<li>Prestasi enjin merosot atau sukar dihidupkan.<\/li>\n<li>Minyak hitam mengandungi serpihan besi (dalam kes yang teruk).<\/li>\n<\/ul>\n<p>Jika perlu <strong>servis atau overhaul crankshaft<\/strong>, kerja biasanya melibatkan:<\/p>\n<ul>\n<li>Membuka enjin sepenuhnya.<\/li>\n<li>Memeriksa keadaan crankshaft.<\/li>\n<li>Menukar bearing dan oil seal.<\/li>\n<li>Menukar connecting rod jika haus atau longgar.<\/li>\n<li>Mengimbangi (balancing) atau menggantikan crankshaft jika rosak.<\/li>\n<\/ul>\n<p>Untuk motosikal seperti Yamaha NVX, NMAX atau Aerox, kos membaiki crankshaft boleh menjadi agak tinggi kerana memerlukan pembongkaran penuh enjin. Jika crankshaft sudah rosak teruk, kadangkala lebih berbaloi menggantikannya dengan unit baharu berbanding membaikinya.<\/p>\n<p>Kalau anda beritahu:<\/p>\n<ul>\n<li><strong>Model motosikal<\/strong>,<\/li>\n<li><strong>Tahun model<\/strong>, dan<\/li>\n<li><strong>Simptom<\/strong> yang dialami (contohnya bunyi ketuk, gegaran, atau enjin jem),<\/li>\n<\/ul>\n<p>saya boleh bantu anggarkan sama ada masalah itu benar-benar berpunca daripada crankshaft atau komponen lain.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><strong>Crankshaft<\/strong> (atau <strong>aci engkol<\/strong>) ialah komponen utama dalam enjin yang menukar pergerakan naik turun piston kepada putaran untuk menggerakkan motosikal.<\/p>\n","protected":false},"featured_media":25,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[18],"product_tag":[],"class_list":["post-24","product","type-product","status-publish","has-post-thumbnail","product_cat-produk","first","instock","sale","sold-individually","shipping-taxable","purchasable","product-type-simple"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/yellowbikeshop.com\/index.php\/wp-json\/wp\/v2\/product\/24","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yellowbikeshop.com\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/yellowbikeshop.com\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/yellowbikeshop.com\/index.php\/wp-json\/wp\/v2\/comments?post=24"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yellowbikeshop.com\/index.php\/wp-json\/wp\/v2\/media\/25"}],"wp:attachment":[{"href":"https:\/\/yellowbikeshop.com\/index.php\/wp-json\/wp\/v2\/media?parent=24"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/yellowbikeshop.com\/index.php\/wp-json\/wp\/v2\/product_brand?post=24"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/yellowbikeshop.com\/index.php\/wp-json\/wp\/v2\/product_cat?post=24"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/yellowbikeshop.com\/index.php\/wp-json\/wp\/v2\/product_tag?post=24"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}