{"product_id":"valve-cotter-set-of-4-gy6-1100-1081","title":"GY6 125cc-150cc Valve Keeper Set (4-Piece Kit) by Blue Line","description":"\u003ch2\u003eGY6 125cc-150cc Valve Keeper Set\u003c\/h2\u003e\u003cp\u003eEnsure the structural integrity of your valvetrain with the \u003cstrong\u003eBlue Line Valve Keeper Set\u003c\/strong\u003e. These precision-hardened valve cotters (also known as keepers or collets) are critical components that lock the valve spring retainer to the valve stem. Designed to meet OEM specifications for the \u003cstrong\u003eGY6 125cc and 150cc\u003c\/strong\u003e engine families, this 4-piece set provides the high-tension grip required to prevent valve drops and catastrophic engine failure during high-RPM operation.\u003c\/p\u003e\u003ch3\u003eTechnical Performance Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Hardened Steel:\u003c\/strong\u003e Manufactured from high-tensile alloy steel to resist wear and prevent \"mushrooming\" under constant spring pressure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact Taper Fit:\u003c\/strong\u003e Engineered with the factory-correct taper angle to ensure a perfect mechanical lock between the valve stem and the spring retainer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Engine Set:\u003c\/strong\u003e Includes 4 keepers—enough to fully service both the intake and exhaust valves on a standard 2-valve GY6 cylinder head.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional Grade:\u003c\/strong\u003e A reliable replacement for original equipment (OEM) parts, providing peace of mind for both stock repairs and performance builds.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eComprehensive Fitment Guide\u003c\/h3\u003e\u003cp\u003eThis set is compatible with \u003cstrong\u003e125cc, 150cc, and 161cc\u003c\/strong\u003e 4-stroke GY6 engines (152QMI \/ 157QMJ \/ 161QMK) commonly found in:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eEngine Codes\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003eCommon Vehicle Brands\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e157QMJ \/ 1P57QMJ\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTaoTao, Wolf, Icebear, Peace Sports, Bintelli\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e152QMI \/ 1P52QMI\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZnen, Jonway, Roketa, and Kymco Clones\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e161QMK \/ 1P61QMK\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-Output 161cc-170cc GY6 Variants\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUniversal Fit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFits most Chinese-manufactured 125cc+ vehicles with \"QM\" and \"FM\" engine codes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 4 Keepers (2 Pairs)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e 2-Valve Cylinder Heads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Intake \u0026amp; Exhaust Valve Stems\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003cblockquote\u003e\n\u003cstrong\u003eMechanic's Note:\u003c\/strong\u003e Valve keepers are tiny and under immense spring pressure—they are easily lost during disassembly!\u003c\/blockquote\u003e\u003cblockquote\u003e\n\u003cstrong\u003eInstallation Tip:\u003c\/strong\u003e Use a dab of \u003cstrong\u003eAssembly Lube\u003c\/strong\u003e or grease to \"stick\" the keepers to the valve stem during installation; this prevents them from falling out before you release the valve spring compressor.\u003c\/blockquote\u003e\u003cblockquote\u003e\n\u003cstrong\u003ePro Tip:\u003c\/strong\u003e Always inspect your \u003cstrong\u003eValve Stem Seals\u003c\/strong\u003e while you have the springs off—it’s the best time to replace them to prevent oil consumption!\u003c\/blockquote\u003e\u003cp style=\"font-size: 0.85em; color: #666;\"\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e 151-111 \/ 164-172 \u003cbr\u003e\u003cstrong\u003eVendor:\u003c\/strong\u003e Scooterworks USA, LLC\u003c\/p\u003e\u003cp\u003eOriginal Parts For Scooters SKU 151-111, 164-172\u003c\/p\u003e","brand":"Scooterworks USA, LLC","offers":[{"title":"Default Title","offer_id":46756413571352,"sku":"1100-1081","price":3.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1100-1081_366aab8d-6734-41a3-9fb6-b4662d1ae666.jpg?v=1695267371","url":"https:\/\/www.scooterworks.com\/products\/valve-cotter-set-of-4-gy6-1100-1081","provider":"Scooterworks USA, LLC","version":"1.0","type":"link"}