{"product_id":"blue-line-carburetor-cvk19mm-qmb139-1100-1361","title":"Blue Line 19mm CVK Carburetor w\/ Accel Pump | 139QMB","description":"Upgrade your 139QMB-powered 50cc scooter's fuel delivery with this Blue Line 19mm CVK replacement carburetor. The larger-than-stock 19mm venturi improves airflow and fuel atomization, while the mechanical float-bowl accelerator pump eliminates the bog and hesitation common when opening the throttle quickly. Fitted with an #85 main jet and electric choke. A direct-fit replacement for all 139QMB Chinese engines.\u003cul\u003e\n\u003cli\u003eVenturi: 19mm\u003c\/li\u003e\n\u003cli\u003eElectric choke: 2-pin male plug style\u003c\/li\u003e\n\u003cli\u003eAccelerator pump: mechanical float-bowl type\u003c\/li\u003e\n\u003cli\u003eAirbox side: ID 29mm \/ OD 38mm\u003c\/li\u003e\n\u003cli\u003eEngine side: ID 19mm \/ OD 28mm\u003c\/li\u003e\n\u003cli\u003eMain jet: #85 (4mm thread PB style)\u003c\/li\u003e\n\u003cli\u003ePilot jet: #35 (6mm thread CV style)\u003c\/li\u003e\n\u003cli\u003eNeedle: non-adjustable GY50 A4\u003c\/li\u003e\n\u003cli\u003eCompatible jets — main: \u003ca href=\"https:\/\/www.scooterworks.com\/products\/jet-keihin-pb-style-carburetors-genuine\"\u003eJETKH1\u003c\/a\u003e | pilot: CV style | idle: #34\u003c\/li\u003e\n\u003c\/ul\u003e\u003cstrong\u003eCompatible Engine Codes:\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003e139QMA, 139QMB, 1P39QMB, 1P39QMA-2, YN139QMB, JJ1P39QMB, 139FMA-2, BD1P39QMB, BN139QMB, 147QMD\u003c\/li\u003e\n\u003cli\u003eOther QMA and QMB variants — if your engine code includes \"QM\" or \"FM\" this carb is compatible\u003c\/li\u003e\n\u003c\/ul\u003e\u003ca href=\"http:\/\/www.p65warnings.ca.gov\"\u003eCalifornia Prop 65 Warning: www.p65warnings.ca.gov\u003c\/a\u003e","brand":"BLUE LINE","offers":[{"title":"Default Title","offer_id":48112005447867,"sku":"1100-1361","price":50.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/1340\/6651\/files\/1100-1361_a_594b4716-2b81-482c-bd99-3d63bc637433.jpg?v=1784298608","url":"https:\/\/thriftyscooters.com\/products\/blue-line-carburetor-cvk19mm-qmb139-1100-1361","provider":"Thrifty Scooters","version":"1.0","type":"link"}