{"product_id":"gy6-qmb139-spark-plug-50cc-150cc-copper-or-iridium","title":"GY6 QMB139 Spark Plug – 50cc \u0026 150cc | Copper or Iridium","description":"\u003ch2\u003eGY6 QMB139 Spark Plug – 50cc \u0026amp; 150cc\u003c\/h2\u003e\u003cp\u003eKeep your GY6-powered scooter or mini bike running strong with the correct NGK spark plug. Available in copper core for reliable everyday performance or iridium for improved ignitability, longer service life, and better throttle response. Both are direct-fit replacements for QMB139 and GY6 engines.\u003c\/p\u003e\u003ch3\u003eVariants\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCopper Core – NGK CR7HSA\u003c\/strong\u003e – OEM-style replacement, reliable and affordable. Ideal for stock or lightly modified engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIridium – NGK CR7HIX\u003c\/strong\u003e – Fine-wire iridium tip for superior ignitability, reduced fouling, and extended plug life. Recommended for performance builds.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size:\u003c\/strong\u003e 10mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReach:\u003c\/strong\u003e 19mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHex Size:\u003c\/strong\u003e 16mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat Range:\u003c\/strong\u003e 7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCopper SKU:\u003c\/strong\u003e CR7HSA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIridium SKU:\u003c\/strong\u003e CR7HIX\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible Engines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGY6 50cc (QMB139)\u003c\/li\u003e\n\u003cli\u003eGY6 150cc (157QMJ)\u003c\/li\u003e\n\u003cli\u003eMost Chinese scooters, go-karts, and ATVs using GY6 architecture\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eAlways verify your engine’s plug spec before ordering. Refer to your owner’s manual or existing plug markings.\u003c\/em\u003e\u003c\/p\u003e","brand":"ScooterSwapShop","offers":[{"title":"Copper core","offer_id":47556273111281,"sku":"CR7HSA 4549","price":7.5,"currency_code":"USD","in_stock":true},{"title":"Iridium","offer_id":47556273144049,"sku":"CR7HIX 7544","price":14.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0626\/1348\/7857\/files\/gy6-qmb139-50cc-and-150cc-spark-plug-7645815.png?v=1765038814","url":"https:\/\/howlingmoto.com\/products\/gy6-qmb139-spark-plug-50cc-150cc-copper-or-iridium","provider":"Howling Moto","version":"1.0","type":"link"}