{"product_id":"3-0mm-gy6-stroker-crank","title":"+3.0mm GY6 Stroker Crank","description":"\u003ch2\u003e+3.0mm Stroker Crankshaft for GY6 Motors\u003c\/h2\u003e\u003cp\u003eThis +3.0mm stroker crankshaft is built for GY6 motors and provides a total stroke of 60.8mm. It works with both A-Case and B-Case crankcase layouts, so it suits a range of builds aimed at better engine output. As one of the \u003ca href=\"\/collections\/gy6-scooter-parts\"\u003eGY6 scooter parts\u003c\/a\u003e that can increase displacement when matched with big bore cylinder kits, it is a practical pick for riders wanting to get more from their scooter.\u003c\/p\u003e\u003ch3\u003ePower and Capacity\u003c\/h3\u003e\u003cp\u003ePaired with different big bore cylinder kits, this stroker crank can noticeably raise engine capacity. As an example, a 58.5mm cylinder gives roughly 163cc, and a 67mm cylinder can reach about 214cc. The added capacity can translate into quicker acceleration and more output, which makes it a sensible upgrade for those who enjoy performance work.\u003c\/p\u003e\u003ch3\u003eBuild Specifications\u003c\/h3\u003e\u003cp\u003eThe crankshaft measures 285mm end to end and uses an M12x1.25 flywheel thread, giving a firm mounting point. Main bearings are included to support smooth rotation. The piston pin bore has an inner diameter of 15mm and the crank carries 19 splines, so it lines up reliably within the engine assembly.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length:\u003c\/strong\u003e 285mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlywheel Thread Size:\u003c\/strong\u003e M12x1.25\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlywheel Thread Length:\u003c\/strong\u003e 16mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive End Thread Size:\u003c\/strong\u003e M12x1.25\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive End Thread Length:\u003c\/strong\u003e 16mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Diameter (Piston Pin Hole):\u003c\/strong\u003e 15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Splines:\u003c\/strong\u003e 19\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e GY6 engines with A-Case or B-Case crankcases (stroker crank, +3.0mm)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eCompatible with:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGY6 engines (A-Case or B-Case)\u003c\/li\u003e\n\u003cli\u003eGY6 QMI\/QMJ 152\/157 engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eBrowse further:\u003c\/strong\u003e \u003ca href=\"\/collections\/gy6-scooter-parts\"\u003eGY6 Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/chinese-scooter-parts\"\u003eChinese Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-engines\"\u003eScooter Engines \u0026amp; Engine Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51135734841401,"sku":"TT-16397","price":235.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/3-0mm-gy6-stroker-crank-1.webp?v=1794349648","url":"https:\/\/www.trendtimes.com\/products\/3-0mm-gy6-stroker-crank","provider":"Trend Times Toy Stores","version":"1.0","type":"link"}