{"product_id":"nut-m12-gy6-chinese-1100-1118","title":"M12x1.25 Flange Nut - GY6 125\/150cc Clutch \u0026 Flywheel","description":"\u003cp\u003eThis \u003cstrong\u003eM12x1.25 Flange Nut\u003c\/strong\u003e is a high-strength OEM replacement specifically designed for the GY6 engine platform. Featuring a smooth integrated flange base, this nut provides a wider surface area for more consistent clamping force, making it essential for securing high-vibration rotating components like the clutch bell and flywheel.\u003c\/p\u003e\u003ch3\u003ePrimary Applications:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClutch Assembly:\u003c\/strong\u003e Secures the clutch bell\/assembly to the transmission output shaft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlywheel\/Magneto:\u003c\/strong\u003e Holds the flywheel in place on the crankshaft (located between the flywheel and cooling fan).\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size:\u003c\/strong\u003e M12 x 1.25 (Fine Thread)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSocket Size:\u003c\/strong\u003e 17mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter (Base):\u003c\/strong\u003e 23.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Height:\u003c\/strong\u003e 8.85mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Zinc-plated Steel\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEngine Compatibility:\u003c\/h3\u003e\u003cp\u003eDesigned for 4-stroke Chinese engines (GY6), including 125cc, 150cc, and 169cc variants. Fits engines with the following codes:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e157QMJ \/ 1P57QMJ\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e152QMI \/ 1P52QMI\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e161QMK \/ 1P61QMK\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOther:\u003c\/strong\u003e BN157QMJ, JJ157QMJ, and generic QMI\/QMJ clones.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e157QMJ-based 125cc \/ 150cc \/ 169cc engines with the following engine codes:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width: 87.0908%; height: 92.3437px;\" height=\"100\" width=\"463\"\u003e\u003ctbody\u003e\n\u003ctr style=\"height: 26.5781px;\"\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e157QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e161QMK\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e152QMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e1P61QMK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 26.5781px;\"\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003eYN1P57QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e1P52FMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e154FMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003eJJ157QMJ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 24.7892%; height: 39.1875px;\"\u003e1P57QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 39.1875px;\"\u003eBN157QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 39.1875px;\"\u003eBN161QMK-A\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 39.1875px;\"\u003eOther QMJ, QMK, and QMI models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eDon't see your engine listed? If the engine code includes \"QM\" or \"FM\", this product is compatible with your vehicle.\u003c\/p\u003e\u003cp\u003e\u003cem\u003e\u003cstrong\u003eTech Tip: \u003c\/strong\u003eThese nuts are often \"one-time use\" in high-performance applications as the threads can stretch under the high torque required (approx 40-45 ft-lbs). Always use a drop of medium-strength thread locker to ensure the nut does not back off during operation.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Scooterworks:\u003c\/strong\u003e Since 1989, Scooterworks has been the premier source for specialized scooter hardware. We stock genuine and high-quality aftermarket components for brands like Genuine, Wolf, TaoTao, and Vespa.\u003c\/p\u003e\u003cp\u003eOriginal Parts For Scooters SKU 175-33\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e","brand":"Scooterworks USA, LLC","offers":[{"title":"Default Title","offer_id":46756432412952,"sku":"1100-1118","price":1.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1100-1118_af7c8a60-c6dc-4c45-a4ce-60b775a1feb2.jpg?v=1695267732","url":"https:\/\/www.scooterworks.com\/products\/nut-m12-gy6-chinese-1100-1118","provider":"Scooterworks USA, LLC","version":"1.0","type":"link"}