{"product_id":"ncy-idle-screw-cvk-carb-gy6-qmb139-1300-1003","title":"NCY Idle Screw for CVK Carburetors; GY6, 139QMB","description":"\u003ch2\u003eTool-Free Tuning: NCY Performance Idle Adjustment Screw\u003c\/h2\u003e\u003cp\u003eStop fumbling for a screwdriver every time the weather changes. The \u003cstrong\u003eNCY Idle Adjustment Screw\u003c\/strong\u003e replaces the difficult-to-reach stock screw on your CVK carburetor\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong style=\"font-size: 0.875rem;\"\u003eSuperior Vibration Resistance:\u003c\/strong\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e Includes a high-tension spring designed to hold your settings securely, even on high-vibration GY6 engines.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Brass Construction:\u003c\/strong\u003e Precision-machined for smooth threading and long-term resistance to fuel and heat corrosion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal CVK Fitment:\u003c\/strong\u003e Designed specifically for the constant-velocity (CVK) style carburetors found on most modern 4-stroke scooters.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e CVK \/ GY6 Style Carburetors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Machined Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpring Included:\u003c\/strong\u003e Yes (High-Tension Steel)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Direct replacement for OEM idle screw.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eConfirmed Vehicle Fitment\u003c\/h3\u003e\u003cp\u003eThis idle screw fits 50cc to 170cc 4-stroke engines utilizing a CVK carburetor:\u003c\/p\u003e\u003ctable border=\"1\" style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003cth style=\"padding: 8px; text-align: left;\"\u003eEngine Type\u003c\/th\u003e\n\u003cth style=\"padding: 8px; text-align: left;\"\u003ePopular Models\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eGY6 125cc \/ 150cc\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eGenuine Buddy 125\/150 Wolf EX-150, TaoTao Lancer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003e139QMB \/ QMB139\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eTaoTao Powermax, Wolf Blaze II, Etc.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e \u003c\/p\u003e\u003cblockquote\u003e\n\u003cstrong\u003eMechanic's Note:\u003c\/strong\u003e When installing, ensure the engine is warm. Screw the new NCY idle screw in until the engine stays running at a steady RPM (typically 1,600–1,900 RPM for GY6). If your bike \"dies\" at stoplights, this is the quickest fix to keep your engine alive.\u003c\/blockquote\u003e\u003chr\u003e\u003cp style=\"font-size: 0.9em;\"\u003e\u003cem\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e 1300-1003 | \u003cstrong\u003eManufacturer:\u003c\/strong\u003e NCY | \u003cstrong\u003ePart Number:\u003c\/strong\u003e 619N14CVK\u003c\/em\u003e\u003c\/p\u003e","brand":"NCY","offers":[{"title":"Default Title","offer_id":48111764635835,"sku":"1300-1003","price":14.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/1340\/6651\/files\/1300-1003_1ba11242-2ace-45cc-87ee-13aca570b998.jpg?v=1784294457","url":"https:\/\/thriftyscooters.com\/products\/ncy-idle-screw-cvk-carb-gy6-qmb139-1300-1003","provider":"Thrifty Scooters","version":"1.0","type":"link"}