{"product_id":"left-handlebar-switch-and-lever-assembly-csc-go-qmb139-scooters","title":"Blue Line Left Switch \u0026 Brake Lever - 139QMB 50cc Scooters","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003eThis \u003cstrong\u003eBlue Line Left Handlebar Switch \u0026amp; Lever Assembly\u003c\/strong\u003e (SKU 0800-4001) is a direct replacement left-side control for many 139QMB (QMB139) 50cc scooters, the Chinese GY6 50cc platform based on Honda's GY6 design. It fits the common left switch layout used across a wide range of these scooters, including Chicago Scooter Company models like the go., go MAX, Pug 50, Nitro Sport 50, and Bella Classic 50. It combines the rear brake lever with the headlight, turn signal, and horn switches in one pre-wired housing. Replace it if a switch has stopped working, the lever is bent or broken, or the housing is cracked.\u003c\/p\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-in-one assembly:\u003c\/strong\u003e Brake lever and switch housing in one unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeadlight high\/low rocker:\u003c\/strong\u003e Switches between high and low beam.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTurn signal slide:\u003c\/strong\u003e Left\/right with center-push cancel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRed horn button:\u003c\/strong\u003e Easy to find with your thumb.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-wired:\u003c\/strong\u003e Two plug-in connectors plus brake light switch leads.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 0800-4001\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Left handlebar\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControls:\u003c\/strong\u003e High\/low beam, turn signals, horn\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Brake lever, switch housing, wiring harness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnectors:\u003c\/strong\u003e Two multi-pin plugs, two bullet terminals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Blue Line\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eModel Fitment\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModels\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChicago Scooter Company (CSC)\u003c\/td\u003e\n\u003ctd\u003ego., go MAX, Pug 50, Nitro Sport 50, Bella Classic 50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOther 139QMB scooters\u003c\/td\u003e\n\u003ctd\u003eMany 50cc models from brands such as Baotian, BMS, Jonway, Peace Sports, Roketa, TaoTao, Tank, Vento, Wolf, and ZNEN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003eThis assembly fits many 139QMB scooters with the common left switch layout, but handlebar controls can vary by model. Before ordering, compare your original switch's buttons, lever shape, and wiring connectors with the photo to confirm fit.\u003c\/p\u003e\u003ch2\u003eProduct Diagrams\u003c\/h2\u003e\u003cul class=\"az-content-resources\"\u003e\n\u003cli\u003e\n\u003ca href=\"\/search?view=az-assembly\u0026amp;q=48\"\u003eGO MAX STEERING\u003c\/a\u003e \u003cspan\u003eCallout 15\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/search?view=az-assembly\u0026amp;q=65\"\u003eQMB139 STEERING\u003c\/a\u003e \u003cspan\u003eCallout 2\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Blue Line","offers":[{"title":"Default Title","offer_id":67964641083713,"sku":"0800-4001","price":27.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/az-p012-10179-0-0800-4001_87977724-00e3-4e20-baf1-34f1b955458f.jpg?v=1792558032","url":"https:\/\/azscooterparts.com\/products\/left-handlebar-switch-and-lever-assembly-csc-go-qmb139-scooters","provider":"AZScooterParts","version":"1.0","type":"link"}