{"title":"GO MAX CYLINDER HEAD CAMSHAFT","description":"","products":[{"product_id":"ncy-performance-cylinder-head-50mm-81cc-alloy-qmb139-1100-1239","title":"NCY Performance Cylinder Head (50mm, 81cc, Alloy); 139QMB","description":"\u003cp\u003eThis NCY 81cc Aluminum Performance Cylinder Head is compatible with 50cc 139QMB engines. Use this cylinder head with NCY's \u003ca title=\"ncy 81cc cylinder kit\" href=\"https:\/\/www.scooterworks.com\/products\/ncy-cylinder-kit-81cc-iron-50mm-qmb139?variant=46756515414296\"\u003e81mm Cylinder Kit\u003c\/a\u003e to give your bike the power to handle today's city traffic.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCylinder Head Stud Space: 50mm \/ H: 60mm \/ Intake Port: 24mm \/ Exhaust Port: 22mm\u003c\/li\u003e\n\u003cli\u003eValves: 21.5x64mm Intake \/ 19x64mm Exhaust \/ Stem: 5mm \/ (w\/intake valves) H: 66.1\u0026lt;67.3mm\u003c\/li\u003e\n\u003cli\u003eValve stem length: 64mm\u003c\/li\u003e\n\u003cli\u003e6mm Intake Threads\u003c\/li\u003e\n\u003cli\u003e6mm Exhaust Threads\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong style=\"font-size: 0.875rem;\"\u003eNOTE: \u003c\/strong\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eMost 139QMB stock cylinder heads have valves that are 69mm high and use a 69mm rocker arm. This cylinder head has 64mm high valves and will only work with a \u003ca href=\"https:\/\/www.scooterworks.com\/products\/rocker-arm-assembly-type-1-64mm-qmb139\" title=\"64mm rocker arm assembly GY6\"\u003e64mm rocker arm\u003c\/a\u003e. \u003c\/span\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003ePlease check the stock valve stem height before ordering.\u003c\/span\u003e\u003c\/p\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\u003cspan style=\"font-size: 0.875rem;\"\u003eDon't see your engine listed? If the engine code includes \"QM\" or \"FM\" and you've ensured the valve height and rocker arm on your bike are 64mm, this product is compatible with your vehicle.\u003c\/span\u003e\u003c\/p\u003e\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003eAbout NCY:\u003c\/strong\u003e NCY is the aftermarket performance parts leader for most popular scooter brands including Honda, Yamaha, Genuine, Vespa, SYM, Lance, KYMCO, and GY6 \/ QMB powered scooters. Made in Taiwan with strict quality standards since 1997, NCY is ISO 9001 certified.\u003c\/p\u003e\u003cp class=\"MsoNormal\"\u003eMade in Taiwan.\u003c\/p\u003e\u003ch4 style=\"color: #983d3c;\"\u003eThis product is intended for off-road use only.\u003c\/h4\u003e\u003ch4 style=\"color: #983d3c;\"\u003eThis product is not intended for use on public roads or land.\u003c\/h4\u003e\u003ch4 style=\"color: #983d3c;\"\u003eThis product is not legal for use in California on pollution-controlled vehicles. Check local laws before installing.\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003e*Performance upgrades are considered racing parts and are not covered by warranty.\u003c\/strong\u003e\u003c\/p\u003e","brand":"NCY","offers":[{"title":"Default Title","offer_id":46756516069656,"sku":"1100-1239","price":168.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1100-1239_1ec7c4bb-e27f-496a-b8f3-7cd1c594c333.jpg?v=1695268827"},{"product_id":"ncy-performance-camshaft-qmb139-1100-1250","title":"NCY Performance Camshaft 139QMB GY6 50cc","description":"\u003cp\u003eUnlock the hidden power potential of your 4-stroke scooter with the \u003cstrong\u003eNCY Performance Camshaft\u003c\/strong\u003e. Designed specifically for the GY6 139QMB engine platform, this high-lift cam profile increases valve duration and lift, allowing your engine to breathe deeper and rev higher. This is the recommended essential upgrade whenever you install a 72cc, 82cc, or 100cc big-bore cylinder kit to ensure your engine can fully utilize the increased displacement.\u003c\/p\u003e\u003cp\u003eBy optimizing the intake and exhaust timing, this camshaft shifts your power band upward, resulting in significantly improved acceleration and higher top-end performance. \u003c\/p\u003e\u003ch3\u003eProduct Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Lobe Geometry:\u003c\/strong\u003e Increased lift and duration profiles significantly improve volumetric efficiency compared to restrictive OEM stock cams.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision-Machined Sprocket:\u003c\/strong\u003e Includes a factory-indexed 34-tooth timing sprocket for precise valve-to-piston synchronization.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Steel Core:\u003c\/strong\u003e Constructed from high-strength, wear-resistant steel to withstand the sustained high-RPM heat and stress of modified performance builds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-Play Fitment:\u003c\/strong\u003e Designed for drop-in installation into stock 139QMB cylinder heads (no machining required).\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntake Lobe:\u003c\/strong\u003e 25.8mm x 21mm x 10.3mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Lobe:\u003c\/strong\u003e 25.5mm x 21mm x 10.2mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSprocket Teeth:\u003c\/strong\u003e 34\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearings:\u003c\/strong\u003e 2 TPI #16002C3 (18x32x8mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU Reference:\u003c\/strong\u003e 1100-1250\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eComprehensive Engine Fitment Matrix\u003c\/h3\u003e\u003cp\u003eThis camshaft is a direct fit for 139QMB-based 50cc, 72cc, 82cc, and 100cc 4-stroke engines using the following factory designations:\u003c\/p\u003e\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background-color: #f8f8f8;\"\u003e\n\u003cth style=\"text-align: left; padding: 10px; border: 1px solid #ddd;\"\u003eEngine Series Code\u003c\/th\u003e\n\u003cth style=\"text-align: left; padding: 10px; border: 1px solid #ddd;\"\u003eCompatible 139QMB \/ GY6 50cc Variants\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCommon Codes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e139QMA, 139QMB, 1P39QMB, 1P39QMA-2, YN139QMB, JJ139QMB, 139FMA-2, BD1P39QMB, BN139QMB, 147QMD\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cdiv style=\"background-color: #fffaf0; padding: 15px; border-left: 5px solid #f0ad4e; margin: 20px 0;\"\u003e\n\u003cstrong\u003eTuning Mechanic's Advice \u0026amp; Safety Warning:\u003c\/strong\u003e When installing any high-performance camshaft alongside a big-bore kit, you \u003cstrong\u003emust\u003c\/strong\u003e manually verify valve-to-piston clearance by rotating the crankshaft by hand before attempting a startup. If you do not have adequate clearance, you risk catastrophic engine failure. Additionally, ensure your valve lash (clearance) is set to manufacturer performance specifications (typically 0.003\"–0.004\" for intake\/exhaust on modified engines) immediately upon installation.\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.p65warnings.ca.gov\" target=\"_blank\"\u003eCalifornia Prop 65 Warning\u003c\/a\u003e\u003c\/p\u003e\u003ch4 style=\"color: #983d3c;\"\u003eThis product is intended for off-road use only.\u003c\/h4\u003e\u003ch4 style=\"color: #983d3c;\"\u003eThis product is not intended for use on public roads or land.\u003c\/h4\u003e\u003ch4 style=\"color: #983d3c;\"\u003eThis product is not legal for use in California on pollution-controlled vehicles. Check local laws before installing.\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003e*Performance upgrades are considered racing parts and are not covered by warranty.\u003c\/strong\u003e\u003c\/p\u003e","brand":"NCY","offers":[{"title":"Default Title","offer_id":46756517937432,"sku":"1100-1250","price":72.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1100-1250_1d7d662d-80fe-4749-b173-b03d5c034eb9.jpg?v=1695268876"},{"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; 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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"}],"url":"https:\/\/www.scooterworks.com\/collections\/go-max-cylinder-head-camshaft.oembed","provider":"Scooterworks USA, LLC","version":"1.0","type":"link"}