{"product_id":"blue-line-19mm-cvk-carburetor-w-accel-pump-139qmb","title":"Blue Line 19mm CVK Carburetor w\/ Accel Pump | 139QMB","description":"\u003cp\u003eUpgrade 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. Venturi: 19mm Electric choke: 2-pin male plug style Accelerator pump: mechanical float-bowl type Airbox side: ID 29mm \/ OD 38mm Engine side: ID 19mm \/ OD 28mm Main jet: #85 (4mm thread PB style) Pilot jet: #35 (6mm thread CV style) Needle: non-adjustable GY50 A4 Compatible jets — main: JETKH1 | pilot: CV style | idle: #34 Compatible Engine Codes: 139QMA, 139QMB, 1P39QMB, 1P39QMA-2, YN139QMB, JJ1P39QMB, 139FMA-2, BD1P39QMB, BN139QMB, 147QMD Other QMA and QMB variants — if your engine code includes \"QM\" or \"FM\" this carb is compatible California Prop 65 Warning: www.p65warnings.ca.gov\u003c\/p\u003e","brand":"blue line","offers":[{"title":"Default Title","offer_id":48045189595323,"sku":"1100-1361","price":50.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/1340\/6651\/files\/1100-1361_66688bd4-4fd5-4565-9fd0-f83298e9f8b1.jpg?v=1783053537","url":"https:\/\/thriftyscooters.com\/products\/blue-line-19mm-cvk-carburetor-w-accel-pump-139qmb","provider":"Thrifty Scooters","version":"1.0","type":"link"}