{"title":"QMB139 CYLINDER HEAD \u0026 CAMSHAFT","description":"","products":[{"product_id":"camshaft-holder-complete-qmb139-1100-1327","title":"Camshaft Holder (Complete); 139QMB","description":"\u003cp\u003eThis complete camshaft holder replaces the original equipment on your CSC go, go MAX, Bella Classic, Nitro Sport, and Pug scooters, as well as 139QMB bikes.\u003c\/p\u003e\u003cp\u003eOriginal Parts For Scooters SKU 151-9, SKU 151-98\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeight: 26mm\u003c\/li\u003e\n\u003cli\u003eIncludes hardware\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width: 100%;\" width=\"100%\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50.277%;\"\u003eChicago Scooter Company go\u003c\/td\u003e\n\u003ctd style=\"width: 49.5084%;\"\u003eChicago Scooter Company go MAX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50.277%;\"\u003eChicago Scooter Company Bella Classic 50\u003c\/td\u003e\n\u003ctd style=\"width: 49.5084%;\"\u003eChicago Scooter Company Nitro Sport 50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50.277%;\"\u003eChicago Scooter Company Pug 50\u003c\/td\u003e\n\u003ctd style=\"width: 49.5084%;\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003e139QMB-based 50cc \/ 80cc engines with the following engine codes:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width: 87.0908%;\" height=\"100\" width=\"463\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e139QMA\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e1P39QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e1P39QMA-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eYN139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eJJ1P39QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e139FMA-2\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eBD1P39QMB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eBN139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e147QMD\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eOther QMA models\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eOther QMB models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eDon't see your engine listed? If the engine code includes \"QM\" or \"FM\", this product is compatible with your vehicle.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout CSC: \u003c\/strong\u003eChicago Scooter Company embodies the spirit of urban mobility with its innovative and stylish lineup of scooters. Designed for city living, their scooters blend functionality, reliability, and modern design, making them the perfect choice for navigating busy streets. Experience the freedom of effortless commuting and explore the city in style with Chicago Scooter Company.\u003c\/p\u003e","brand":"Scooterworks USA, LLC","offers":[{"title":"Default Title","offer_id":46756581507352,"sku":"1100-1327","price":22.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1100-1327_0ba745e5-c9cf-40f0-99ab-0f62bee57498.jpg?v=1695269594"},{"product_id":"complete-valve-assembly-csc-go-qmb139-1100-1328","title":"Complete Valve Assembly; CSC Go., 139QMB","description":"\u003cp\u003eThis OEM valve assembly replaces stock equipment on CSC go, go MAX, and Pug scooters and bikes running 139QMB (\u003cspan style=\"font-size: 0.875rem;\"\u003e50cc 4-stroke) engines with 64mm valves.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003eOriginal Parts For Scooters SKU 151-239\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eValve Length (intake \u0026amp; exhaust): 64mm  \u003c\/li\u003e\n\u003cli\u003eShaft Diameter (intake \u0026amp; exhaust): 5mm  \u003c\/li\u003e\n\u003cli\u003eIntake Valve Diameter: 18.4mm  \u003c\/li\u003e\n\u003cli\u003eExhaust Valve Diameter: 16mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility: \u003c\/strong\u003e\u003c\/p\u003e\u003ctable width=\"100%\" style=\"width: 100%;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 48.8586%;\"\u003eChicago Scooter Company go\u003c\/td\u003e\n\u003ctd style=\"width: 50.9269%;\"\u003eChicago Scooter Company go MAX \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 48.8586%;\"\u003eChicago Scooter Company Pug50\u003c\/td\u003e\n\u003ctd style=\"width: 50.9269%;\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003e139QMB-based 50cc \/ 80cc engines with the following engine codes:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable width=\"463\" height=\"100\" style=\"width: 87.0908%; height: 81.2px;\"\u003e\u003ctbody\u003e\n\u003ctr style=\"height: 20.325px;\"\u003e\n\u003ctd style=\"width: 24.6905%; height: 20.325px;\"\u003e139QMA\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%; height: 20.325px;\"\u003e139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%; height: 20.325px;\"\u003e1P39QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%; height: 20.325px;\"\u003e1P39QMA-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 20.325px;\"\u003e\n\u003ctd style=\"width: 24.6905%; height: 20.325px;\"\u003eYN139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%; height: 20.325px;\"\u003eJJ1P39QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%; height: 20.325px;\"\u003e139FMA-2\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%; height: 20.325px;\"\u003eBD1P39QMB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40.55px;\"\u003e\n\u003ctd style=\"width: 24.6905%; height: 40.55px;\"\u003eBN139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%; height: 40.55px;\"\u003e147QMD\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%; height: 40.55px;\"\u003eOther QMA models\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%; height: 40.55px;\"\u003eOther QMB models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eDon't see your engine listed? If the engine code includes \"QM\" or \"FM\", this product is compatible with your vehicle.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout CSC: \u003c\/strong\u003eChicago Scooter Company embodies the spirit of urban mobility with its innovative and stylish lineup of scooters. Designed for city living, their scooters blend functionality, reliability, and modern design, making them the perfect choice for navigating busy streets. Experience the freedom of effortless commuting and explore the city in style with Chicago Scooter Company.\u003c\/p\u003e","brand":"Chicago Scooter Company","offers":[{"title":"Default Title","offer_id":46756583047448,"sku":"1100-1328","price":22.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1100-1328_b6b712ea-c056-4623-949e-02aec166b725.jpg?v=1695269614"},{"product_id":"cylinder-head-cover-csc-go-qmb139-scooters-1100-4012","title":"Cylinder Head Cover; CSC go., 139QMB Scooters","description":"\u003cp\u003eReplacement cylinder head for 50cc 4T scooter engine\u003c\/p\u003e","brand":"Chicago Scooter Company","offers":[{"title":"Default Title","offer_id":46759835369752,"sku":"1100-4012","price":14.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1100-4012_9046ae32-314d-45e0-a9c2-5f05fc3bda60.jpg?v=1695305065"},{"product_id":"breather-tube-and-circlips-csc-go-qmb139-scooters-1100-4013","title":"Breather Tube And Circlips; CSC go., 139QMB Scooters","description":"\u003cp\u003eRubber breather hose for CSC go. and 139QMB, includes two circlips.\u003c\/p\u003e","brand":"Chicago Scooter Company","offers":[{"title":"Default Title","offer_id":46759836221720,"sku":"1100-4013","price":3.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1100-4013_183a73ed-7fa2-472c-826f-c34f6b268259.jpg?v=1695305073"},{"product_id":"head-cover-gasket-csc-go-qmb139-scooters-1100-4014","title":"Head Cover Gasket; CSC go., 139QMB Scooters","description":"\u003cp\u003eRubber cylinder head gasket cover for Chinese 50cc scooter engines\u003c\/p\u003e","brand":"Chicago Scooter Company","offers":[{"title":"Default Title","offer_id":46759837008152,"sku":"1100-4014","price":2.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1100-4014_fa909cf6-49d0-47f8-a3b7-f41093146189.jpg?v=1695305082"},{"product_id":"cylinder-head-stud-set-csc-go-qmb139-scooters-1100-4015","title":"Cylinder Head Stud Set; CSC go., 139QMB Scooters","description":"\u003cp\u003eReplacement exhaust studs for CSC go. and 139QMB cylinder head.\u003c\/p\u003e","brand":"Chicago Scooter Company","offers":[{"title":"Default Title","offer_id":46759837925656,"sku":"1100-4015","price":2.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1100-4015_110134f9-0b62-4fe7-b650-f5fa88e1369d.jpg?v=1695305091"},{"product_id":"cylinder-head-bolt-685-csc-go-qmb139-scooters-1100-4016","title":"Cylinder Head Bolt (6×85); CSC go., 139QMB Scooters","description":"\u003cp\u003eCylinder Head Bolt (6x85) replacement for CSC go., 139QMB Scooters\u003c\/p\u003e","brand":"Chicago Scooter Company","offers":[{"title":"Default Title","offer_id":46759838646552,"sku":"1100-4016","price":1.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1100-4016_136052ab-248e-4709-8b6e-f96d4166354c.jpg?v=1695305099"},{"product_id":"camshaft-csc-go-qmb139-scooters-1100-4018","title":"Camshaft; CSC go., 139QMB Scooters","description":"\u003cp\u003eThis OEM style camshaft replaces stock equipment on CSC go scooters, Genuine Bella Classic 50, Nitro Sport 50 and Pug 50 scooters, and bikes with 139QMB engines. \u003c\/p\u003e\u003cp\u003eOriginal Parts For Scooters SKU 151-104\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNumber of Teeth: 34  \u003c\/li\u003e\n\u003cli\u003eIntake Lobe (widest point): 25.7mm  \u003c\/li\u003e\n\u003cli\u003eExhaust Lobe (widest point): 25.5mm  \u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong style=\"font-size: 0.875rem;\"\u003eCompatibility: \u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width: 100.036%; height: 39.2px;\" width=\"100%\"\u003e\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 51.6381%; height: 19.6px;\"\u003eCSC go\u003c\/td\u003e\n\u003ctd style=\"width: 47.9606%; height: 19.6px;\"\u003eGenuine Bella Classic 50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 51.6381%; height: 19.6px;\"\u003eGenuine Nitro Sport 50\u003c\/td\u003e\n\u003ctd style=\"width: 47.9606%; height: 19.6px;\"\u003eGenuine Pug 50 \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003e139QMB-based 50cc \/ 80cc engines with the following engine codes:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable width=\"463\" height=\"100\" style=\"width: 87.0908%;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e139QMA\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e1P39QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e1P39QMA-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eYN139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eJJ1P39QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e139FMA-2\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eBD1P39QMB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eBN139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e147QMD\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eOther QMA models\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eOther QMB models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eDon't see your engine listed? If the engine code includes \"QM\" or \"FM\", this product is compatible with your vehicle.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout CSC: \u003c\/strong\u003eChicago Scooter Company embodies the spirit of urban mobility with its innovative and stylish lineup of scooters. Designed for city living, their scooters blend functionality, reliability, and modern design, making them the perfect choice for navigating busy streets. Experience the freedom of effortless commuting and explore the city in style with Chicago Scooter Company.\u003c\/p\u003e","brand":"Chicago Scooter Company","offers":[{"title":"Default Title","offer_id":46759840678168,"sku":"1100-4018","price":26.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1100-4018_e861c710-dcc5-4fd2-a56b-78a3ae19c455.jpg?v=1695305115"},{"product_id":"spark-plug-csc-go-qmb139-scooters-1100-4019","title":"Spark Plug; CSC go., 139QMB Scooters","description":"\u003cp\u003eSpark plug replacement for CSC go or 139QMB Chinese Scooter\u003c\/p\u003e","brand":"Chicago Scooter Company","offers":[{"title":"Default Title","offer_id":46759841366296,"sku":"1100-4019","price":7.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1100-4019_1f1562cc-31a8-424e-a9ac-4cd4f5b82f1b.jpg?v=1695305124"},{"product_id":"intake-gasket-set-csc-go-qmb139-scooters-1100-4020","title":"Blue Line Insulator Gasket Set 139QMB Scooters","description":"\u003cp\u003eThis set of OEM intake manifold gaskets replaces stock equipment on CSC go, go MAX, Bella Classic 50, Nitro Sport 50, Pug 50 and other 50 cc 139QMB scooters. \u003c\/p\u003e\u003cp\u003eOriginal Parts For Scooters SKU 151-7\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInner Diameter: 18mm\u003c\/li\u003e\n\u003cli\u003eBolt Hole Spacing: 45mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width: 99.9255%;\" width=\"100%\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 47.8055%;\"\u003eCSC Bella Classic 50\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 51.8171%;\"\u003eCSC Nitro Sport 50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 47.8055%;\"\u003eCSC Pug 50\u003c\/td\u003e\n\u003ctd style=\"width: 51.8171%;\"\u003e CSC go \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 47.8055%;\"\u003eCSC go MAX\u003c\/td\u003e\n\u003ctd style=\"width: 51.8171%;\"\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003e139QMB-based 50cc \/ 80cc engines with the following engine codes:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width: 87.0908%;\" height=\"100\" width=\"463\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e139QMA\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e1P39QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e1P39QMA-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eYN139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eJJ1P39QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e139FMA-2\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eBD1P39QMB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eBN139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e147QMD\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eOther QMA models\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eOther QMB models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eDon't see your engine listed? If the engine code includes \"QM\" or \"FM\", this product is compatible with your vehicle.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eAbout CSC: \u003c\/strong\u003eChicago Scooter Company embodies the spirit of urban mobility with its innovative and stylish lineup of scooters. Designed for city living, their scooters blend functionality, reliability, and modern design, making them the perfect choice for navigating busy streets. Experience the freedom of effortless commuting and explore the city in style with Chicago Scooter Company.\u003c\/span\u003e\u003c\/p\u003e","brand":"Chicago Scooter Company","offers":[{"title":"Default Title","offer_id":46759841988888,"sku":"1100-4020","price":1.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1100-4020_491bd6cb-7f58-49b1-a510-3dabe4425f6f.jpg?v=1695305133"},{"product_id":"intake-manifold-csc-go-qmb139-scooters-1100-4021","title":"Intake Manifold; CSC go., 139QMB Scooters","description":"\u003cp\u003eThis intake manifold replaces the original equipment on your CSC go, go MAX, Bella Classic, Nitro Sport, and Pug scooters, as well as 139QMB bikes.\u003c\/p\u003e\u003cp\u003eOriginal Parts For Scooters SKU 151-9\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1 Vacuum Port\u003c\/li\u003e\n\u003cli\u003eEngine Mount Side Inner Diameter: 17mm\u003c\/li\u003e\n\u003cli\u003eCarb Mount Side Inner Diameter: 26mm\u003c\/li\u003e\n\u003cli\u003eBolt Hole Spacing: 45mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable width=\"100%\" style=\"width: 100%;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50.277%;\"\u003eChicago Scooter Company go\u003c\/td\u003e\n\u003ctd style=\"width: 49.5084%;\"\u003eChicago Scooter Company go MAX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50.277%;\"\u003eChicago Scooter Company Bella Classic 50\u003c\/td\u003e\n\u003ctd style=\"width: 49.5084%;\"\u003eChicago Scooter Company Nitro Sport 50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50.277%;\"\u003eChicago Scooter Company Pug 50\u003c\/td\u003e\n\u003ctd style=\"width: 49.5084%;\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003e139QMB-based 50cc \/ 80cc engines with the following engine codes:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable width=\"463\" height=\"100\" style=\"width: 87.0908%;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e139QMA\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e1P39QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e1P39QMA-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eYN139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eJJ1P39QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e139FMA-2\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eBD1P39QMB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eBN139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e147QMD\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eOther QMA models\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eOther QMB models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eDon't see your engine listed? If the engine code includes \"QM\" or \"FM\", this product is compatible with your vehicle.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout CSC: \u003c\/strong\u003eChicago Scooter Company embodies the spirit of urban mobility with its innovative and stylish lineup of scooters. Designed for city living, their scooters blend functionality, reliability, and modern design, making them the perfect choice for navigating busy streets. Experience the freedom of effortless commuting and explore the city in style with Chicago Scooter Company.\u003c\/p\u003e","brand":"Chicago Scooter Company","offers":[{"title":"Default Title","offer_id":46759842644248,"sku":"1100-4021","price":9.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1100-4021_d9596660-734f-4476-a8a8-29c19bc45e83.jpg?v=1695305141"},{"product_id":"cylinder-cover-slip-assembly-csc-go-qmb139-scooters-1100-4022","title":"Cylinder Cover Slip Assembly; CSC go., 139QMB Scooters","description":"\u003cp\u003eOEM cylinder cover slip assembly for CSC go, or 139QMB Chinese\u003c\/p\u003e","brand":"Chicago Scooter Company","offers":[{"title":"Default Title","offer_id":46759843234072,"sku":"1100-4022","price":2.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1100-4022_4a28b94a-5401-44a1-9c10-f94cf767225d.jpg?v=1695305149"},{"product_id":"cylinder-head-valve-assembly-csc-go-qmb139-scooters-1100-4063","title":"Cylinder Head \u0026 Valve Assembly; CSC go., 139QMB Scooters","description":"\u003cp\u003eThis assembled PAIR-style cylinder head fits CSC go, go MAX and Pug scooters and bikes running 50cc 4-stroke 139QMB engines. Pulsed Secondary Air Injection System (PAIR) is an emissions control system used to lower hydrocarbon (HC) and carbon monoxide (CO) emissions by allowing air into the exhaust flow. \u003c\/p\u003e\u003cp\u003eOriginal Parts For Scooters SKU 151-240\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIntake Port Diameter: 17mm  \u003c\/li\u003e\n\u003cli\u003eExhaust Port Diameter: 17mm\u003c\/li\u003e\n\u003cli\u003eValve Length: 69mm  \u003c\/li\u003e\n\u003cli\u003eEmission Control System: PAIR\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility: \u003c\/strong\u003e\u003c\/p\u003e\u003ctable width=\"100%\" style=\"width: 100%;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 48.8586%;\"\u003eChicago Scooter Company go\u003c\/td\u003e\n\u003ctd style=\"width: 50.9269%;\"\u003eChicago Scooter Company go MAX \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 48.8586%;\"\u003eChicago Scooter Company Pug50\u003c\/td\u003e\n\u003ctd style=\"width: 50.9269%;\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003e139QMB-based 50cc \/ 80cc engines with the following engine codes:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable width=\"463\" height=\"100\" style=\"width: 87.0908%; height: 81.2px;\"\u003e\u003ctbody\u003e\n\u003ctr style=\"height: 20.325px;\"\u003e\n\u003ctd style=\"width: 24.6905%; height: 20.325px;\"\u003e139QMA\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%; height: 20.325px;\"\u003e139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%; height: 20.325px;\"\u003e1P39QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%; height: 20.325px;\"\u003e1P39QMA-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 20.325px;\"\u003e\n\u003ctd style=\"width: 24.6905%; height: 20.325px;\"\u003eYN139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%; height: 20.325px;\"\u003eJJ1P39QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%; height: 20.325px;\"\u003e139FMA-2\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%; height: 20.325px;\"\u003eBD1P39QMB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40.55px;\"\u003e\n\u003ctd style=\"width: 24.6905%; height: 40.55px;\"\u003eBN139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%; height: 40.55px;\"\u003e147QMD\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%; height: 40.55px;\"\u003eOther QMA models\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%; height: 40.55px;\"\u003eOther QMB models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eDon't see your engine listed? If the engine code includes \"QM\" or \"FM\", this product is compatible with your vehicle.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout CSC: \u003c\/strong\u003eChicago Scooter Company embodies the spirit of urban mobility with its innovative and stylish lineup of scooters. Designed for city living, their scooters blend functionality, reliability, and modern design, making them the perfect choice for navigating busy streets. Experience the freedom of effortless commuting and explore the city in style with Chicago Scooter Company.\u003c\/p\u003e","brand":"Chicago Scooter Company","offers":[{"title":"Default Title","offer_id":46759955366168,"sku":"1100-4063","price":68.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1100-4063_7cf683cb-a7d6-437d-94af-b6a5b3cde90c.jpg?v=1780542267"},{"product_id":"naraku-qmb139-52-4mm-performance-cylinder-head-kit-137-4","title":"Naraku 139GMB 52.4mm Big Bore Cylinder \u0026 Head Kit | 89.3cc","description":"\u003cp\u003eUnlock serious performance gains with the \u003cstrong\u003eNaraku QMB139 52.4mm Big Bore Cylinder \u0026amp; Head Kit\u003c\/strong\u003e. Engineered for QMB139 4-stroke 50cc engines, this complete kit bumps displacement to \u003cstrong\u003e89.3cc\u003c\/strong\u003e with a stock 41.4mm stroke — or all the way to \u003cstrong\u003e94.9cc\u003c\/strong\u003e when paired with a 44mm stroker crank. Everything you need for the swap is included.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCylinder (52.4mm bore)\u003c\/li\u003e\n\u003cli\u003ePiston, rings, piston pin \u0026amp; circlips\u003c\/li\u003e\n\u003cli\u003eCylinder head\u003c\/li\u003e\n\u003cli\u003eHead gasket \u0026amp; base gasket\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBig Bore Upgrade:\u003c\/strong\u003e Increases displacement from 50cc to 89.3cc (stock stroke) or 94.9cc (44mm stroker crank).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRacing-Grade Head:\u003c\/strong\u003e Non-emissions style head with larger intake (23mm) and exhaust (20mm) valves for improved flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShort Valve Stem Design:\u003c\/strong\u003e Replaces cylinder heads with 64mm short-style valve stems. See related items if you need 64mm valves separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Porting:\u003c\/strong\u003e 20.8mm intake port and 18.7mm exhaust port for optimized airflow.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCylinder Bore:\u003c\/strong\u003e 52.4mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCylinder Sleeve Outer Diameter:\u003c\/strong\u003e 54.4mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrist Pin Diameter:\u003c\/strong\u003e 13mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Piston Height:\u003c\/strong\u003e 36.3mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompression Height:\u003c\/strong\u003e 20mm (center of wrist pin to top of piston)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntake Valve:\u003c\/strong\u003e 23mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Valve:\u003c\/strong\u003e 20mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntake Port Diameter:\u003c\/strong\u003e 20.8mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Port Diameter:\u003c\/strong\u003e 18.7mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Stem Length:\u003c\/strong\u003e 64mm (short style)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplacement (stock stroke):\u003c\/strong\u003e 89.3cc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplacement (44mm stroker):\u003c\/strong\u003e 94.9cc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Engine:\u003c\/strong\u003e QMB139 49cc\/50cc 4-stroke\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 137-4\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment Notes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCompatible with 139QMB 50cc\/49cc engines and various unlisted makes\/models.\u003c\/li\u003e\n\u003cli\u003eYou may need to modify your engine case to accommodate the larger cylinder.\u003c\/li\u003e\n\u003cli\u003eReplaces cylinder heads with 64mm short-style valve stems only.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cblockquote\u003e\n\u003cstrong\u003e?? Off-Road Use Only:\u003c\/strong\u003e This product is not intended for use on public roads or land.\u003c\/blockquote\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003e?? California Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including lead, carbon monoxide, and other engine combustion byproducts, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit \u003ca href=\"https:\/\/www.p65warnings.ca.gov\" target=\"_blank\"\u003ewww.p65warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e","brand":"Naraku","offers":[{"title":"Default Title","offer_id":49985985216792,"sku":"137-4","price":300.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/files\/450236.jpg?v=1744827319"},{"product_id":"naraku-63cc-42mm-replacement-piston-for-sym-4-stroke-137-70","title":"Naraku 63cc (42mm) Replacement Piston for SYM 4-Stroke","description":"\u003cp\u003eThis Naraku Piston Kit is compatible with engines running NK101.65 (42mm) SYM 4T cylinders, including Genuine and CSC 50cc scooters and other 50cc 4T 139QMB bikes. \u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePiston Diameter: 42mm\u003c\/li\u003e\n\u003cli\u003eWrist Pin Diameter: 10mm\u003cspan style=\"color: #0000ff; font-size: medium;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eIncludes piston rings and circlips\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e \u003c\/p\u003e\u003ctable width=\"100%\" style=\"width: 99.9255%;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50.7138%;\"\u003eGenuine Brio 50i\u003c\/td\u003e\n\u003ctd style=\"width: 48.9089%;\"\u003eGenuine Urbano 50i\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50.7138%;\"\u003eCSC Bella Classic 50\u003c\/td\u003e\n\u003ctd style=\"width: 48.9089%;\"\u003eCSC go\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50.7138%;\"\u003eCSC go MAX\u003c\/td\u003e\n\u003ctd style=\"width: 48.9089%;\"\u003eCSC Nitro Sport 50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50.7138%;\"\u003eCSC Pug 50\u003c\/td\u003e\n\u003ctd style=\"width: 48.9089%;\"\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003e139QMB-based 50cc \/ 80cc engines with the following engine codes:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable width=\"463\" height=\"100\" style=\"width: 87.0908%;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e139QMA\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e1P39QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e1P39QMA-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eYN139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eJJ1P39QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e139FMA-2\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eBD1P39QMB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eBN139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e147QMD\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eOther QMA models\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eOther QMB models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eDon't see your engine listed? If the engine code includes \"QM\" or \"FM\",  this product is compatible with your vehicle.\u003c\/span\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eAbout Naraku:\u003c\/strong\u003e NARAKU is a professional supplier of motorcycle parts from Taiwan. We’ve sold various motorcycle parts, scooter parts and accessories for more than 10 years. Our quality products are sold to Europe, Asia and America. We supply engine parts and accessories for modern scooters and mopeds. With our advanced technologies and the superb quality of our products, we can offer everything your ride needs.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003ch3 style=\"color:#983D3C;\"\u003eThis product is not intended for use on public roads or land.\u003c\/h3\u003e","brand":"Naraku","offers":[{"title":"Default Title","offer_id":50254686552344,"sku":"137-70","price":50.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/files\/574389_559f9f8b-ca68-44e6-89aa-6fb345b36634.jpg?v=1748967184"},{"product_id":"rdr-chrome-silicon-steel-alloy-valve-springs-169-513","title":"RDR Chrome Silicon Steel Alloy Valve Springs","description":"\u003cp\u003eRDR's Chrome Silicon Steel Alloy Valve Springs for 139QMB 50cc 4-stroke  and 125\/150cc GY6 and GY6B 4-stroke engines are rated for 12,000 RPM. The lighter your valve train components, the quicker the engine revs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIncludes 2 Inner and 2 Outer Valve Springs\u003c\/li\u003e\n\u003cli\u003eOuter Spring Weight: 14g\u003c\/li\u003e\n\u003cli\u003eInner Spring Weight: 7g\u003c\/li\u003e\n\u003cli\u003eCoil Diameter Outer Spring: 2.54mm\u003c\/li\u003e\n\u003cli\u003eCoil Diameter Inner Spring: 1.95mm\u003c\/li\u003e\n\u003cli\u003eOuter Spring Height: 37.3mm\u003c\/li\u003e\n\u003cli\u003eInner Spring Height: 27.3mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e 139QMB 50cc 4-stroke  and 125\/150cc GY6 and GY6B 4-stroke engines\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e139QMB-based 50cc \/ 80cc engines with the following engine codes:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable width=\"463\" height=\"100\" style=\"width: 87.0908%;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e139QMA\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e1P39QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e1P39QMA-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eYN139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eJJ1P39QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e139FMA-2\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eBD1P39QMB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eBN139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e147QMD\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eOther QMA models\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eOther QMB models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003e157QMJ-based 125cc \/ 150cc \/ 169cc engines with the following engine codes:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable width=\"463\" height=\"100\" style=\"width: 87.0908%; height: 92.3437px;\"\u003e\u003ctbody\u003e\n\u003ctr style=\"height: 26.5781px;\"\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e157QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e161QMK\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e152QMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e1P61QMK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 26.5781px;\"\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003eYN1P57QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e1P52FMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e154FMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003eJJ157QMJ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 24.7892%; height: 39.1875px;\"\u003e1P57QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 39.1875px;\"\u003eBN157QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 39.1875px;\"\u003eBN161QMK-A\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 39.1875px;\"\u003eOther QMJ, QMK, and QMI models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eDon't see your engine listed? If the engine code includes \"QM\" or \"FM\" and your bike is a 4T, this product is compatible with your vehicle.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout RDR:\u003c\/strong\u003e RDR is a Taiwanese manufacturer who specializes in performance and styling parts for scooters and motorcycles.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003ch3 style=\"color:#983D3C;\"\u003eThis product is not intended for use on public roads or land.\u003c\/h3\u003e","brand":"RDR","offers":[{"title":"Default Title","offer_id":50254756184344,"sku":"169-513","price":28.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/files\/453009.jpg?v=1748983343"},{"product_id":"universal-parts-qmb139-non-emissions-head-69mm-valves-151-249","title":"Universal Parts QMB139 Non Emissions Head - 69mm Valves","description":"\u003cp\u003eUniversal Parts Completely Assembled Non Emissions Style Cylinder Head \u003cb\u003ewith 69mm Valves\u003c\/b\u003e for 50cc 4-stroke 139QMB engines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIntake Port Diameter: 17mm\u003c\/li\u003e\n\u003cli\u003eExhaust Port Diameter: 18mm\u003c\/li\u003e\n\u003cli\u003eValve Length: 69mm\u003cspan style=\"color: #0000ff; font-family: Tahoma; font-size: medium;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e139QMB-based 50cc \/ 80cc engines with the following engine codes:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable width=\"463\" height=\"100\" style=\"width: 87.0908%;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e139QMA\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e1P39QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e1P39QMA-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eYN139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eJJ1P39QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e139FMA-2\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eBD1P39QMB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eBN139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e147QMD\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eOther QMA models\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eOther QMB models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003e157QMJ-based 125cc \/ 150cc \/ 169cc engines with the following engine codes:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable width=\"463\" height=\"100\" style=\"width: 87.0908%; height: 92.3437px;\"\u003e\u003ctbody\u003e\n\u003ctr style=\"height: 26.5781px;\"\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e157QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e161QMK\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e152QMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e1P61QMK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 26.5781px;\"\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003eYN1P57QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e1P52FMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e154FMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003eJJ157QMJ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 24.7892%; height: 39.1875px;\"\u003e1P57QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 39.1875px;\"\u003eBN157QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 39.1875px;\"\u003eBN161QMK-A\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 39.1875px;\"\u003eOther QMJ, QMK, and QMI models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eDon't see your engine listed? If the engine code includes \"QM\" or \"FM\", this product is compatible with your vehicle.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eAbout Universal Parts: \u003c\/strong\u003eUniversal Parts is a line of quality and affordable replacement parts for Chinese scooters! From basic items like bearings and cables all the way up to complete engine assemblies and affordable big bore kits, the comprehensive Universal Parts line can help you get your scooter riding again.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003ch3 style=\"color:#983D3C;\"\u003eThis product is not intended for use on public roads or land.\u003c\/h3\u003e","brand":"Universal Parts","offers":[{"title":"Default Title","offer_id":50254780498200,"sku":"151-249","price":52.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/files\/556890.jpg?v=1749566781"}],"url":"https:\/\/www.scooterworks.com\/collections\/qmb139-cylinder-head-camshaft.oembed","provider":"Scooterworks USA, LLC","version":"1.0","type":"link"}