{"product_id":"shin-yea-high-torque-gy6-starter-motor-169-579","title":"Shin Yea Extreme High Torque GY6 Starter: 150-232cc","description":"\u003ch2\u003eUnrivaled Cranking Power: Shin Yea Extreme High Torque Starter\u003c\/h2\u003e\u003cp\u003eEliminate starting struggles on your high-performance build with the \u003cstrong\u003eShin Yea Extreme High Torque Starter Motor\u003c\/strong\u003e. Engineered specifically for modified GY6 engines ranging from 150cc up to 232cc, this is the most powerful starter available for the QMI\/QMJ platform. If you have installed a big-bore kit or high-compression head that your stock starter can't turn over, this professional-grade motor provides the massive rotational force needed for reliable firing.\u003c\/p\u003e\u003ch3\u003eTechnical Performance Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtreme Displacement Optimized:\u003c\/strong\u003e Purpose-built to overcome the high cylinder pressures of 170cc, 180cc, 212cc, and 232cc stroker engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Internal Windings:\u003c\/strong\u003e Features high-grade copper armatures and oversized brushes designed to handle increased current draw without overheating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision 9-Spline Shaft:\u003c\/strong\u003e CNC-machined 11.5mm splined shaft ensures perfect engagement with your starter clutch\/bendix, reducing wear on transmission components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Mounting Bracket:\u003c\/strong\u003e Includes a reinforced, GY6-specific mounting bracket for a secure, vibration-resistant fitment on 152QMI and 157QMJ engine cases.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eMandatory Electrical Requirements\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWARNING:\u003c\/strong\u003e This is a high-performance component that requires significantly more amperage than a stock motor. To prevent irreparable damage and ensure warranty coverage, you \u003cstrong\u003emust\u003c\/strong\u003e upgrade your electrical path:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery:\u003c\/strong\u003e Minimum 9 Amp-Hour (9Ah) capacity required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e Upgrade to 6-gauge or 8-gauge starter and solenoid wires (Stock 12-gauge is insufficient).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Ensure a dedicated heavy-duty ground to the engine case.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt Hole Spacing:\u003c\/strong\u003e 78mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSplined Shaft:\u003c\/strong\u003e 18mm Length \/ 11.5mm Diameter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNose Diameter:\u003c\/strong\u003e 30mm (at rubber seal)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpline Count:\u003c\/strong\u003e 9\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Fitment:\u003c\/strong\u003e GY6 125\/150cc (Short \u0026amp; Long Case)\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003cblockquote\u003e\n\u003cstrong\u003eMechanic's Note:\u003c\/strong\u003e This starter is a \"beast,\" but it is only as good as the juice you give it. If you try to run this on a stock 4Ah or 7Ah battery with thin factory wires, you will burn out the brushes or the solenoid. \u003cstrong\u003ePro Tip:\u003c\/strong\u003e When installing, check your \u003cstrong\u003e\u003ca href=\"https:\/\/www.scooterworks.com\/products\/starter-clutch-bendix-gy6\"\u003eStarter Bendix\u003c\/a\u003e\u003c\/strong\u003e for chipped teeth; a high-torque motor will quickly chew up a worn bendix.\u003c\/blockquote\u003e\u003cp style=\"font-size: 0.85em; color: #666;\"\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e 169-579 \u003cbr\u003e\u003cstrong\u003eVendor:\u003c\/strong\u003e Shin Yea\u003c\/p\u003e\u003cp\u003eGY6 QMI\/QMJ 152\/157\u003c\/p\u003e","brand":"Shin Yea","offers":[{"title":"Default Title","offer_id":49985994785048,"sku":"169-579","price":124.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/files\/827416.jpg?v=1744827489","url":"https:\/\/www.scooterworks.com\/products\/shin-yea-high-torque-gy6-starter-motor-169-579","provider":"Scooterworks USA, LLC","version":"1.0","type":"link"}