{"title":"Engine Cases \u0026 Covers","description":"","products":[{"product_id":"qmb139-right-crankcase-cover-33-tooth-gear","title":"Universal Parts Right Crankcase Cover - QMB139 Type 1","description":"\u003cp\u003eThis \u003cstrong\u003eUniversal Parts right crankcase cover\u003c\/strong\u003e is a Type 1 replacement for compatible 50cc four-stroke QMB139 engines using a 33-tooth oil-pump gear. It gives you a replacement for a cracked or damaged cover while retaining the matching engine layout, with an integrated oil-filler neck, central crankshaft opening, and mounting points.\u003c\/p\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType 1 configuration:\u003c\/strong\u003e For matching QMB139 engines equipped with a 33-tooth oil-pump gear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRight-side replacement:\u003c\/strong\u003e Replaces the right crankcase cover, not the left CVT belt cover.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated filler neck:\u003c\/strong\u003e Incorporates the threaded oil-fill opening into the cover.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOriginal-layout fit check:\u003c\/strong\u003e Compare the mounting holes, internal passages, and shaft opening to your existing cover.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Universal Parts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 151-78\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart type:\u003c\/strong\u003e Right crankcase cover\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Type 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine application:\u003c\/strong\u003e QMB139 \/ 139QMB, 50cc four-stroke\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRequired oil-pump gear configuration:\u003c\/strong\u003e 33 teeth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e Integrated threaded oil-filler neck, central shaft opening, and mounting holes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eModel Fitment\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eCompatible QMB139 \/ 139QMB 50cc four-stroke engines using the Type 1 cover and a 33-tooth oil-pump gear\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eConfirm your oil-pump gear has 33 teeth and compare the cover's mounting pattern, internal passages, shaft opening, and filler-neck position before ordering. Engine code alone does not establish fit. The 33-tooth specification identifies the required engine configuration; this listing is for the cover, not an oil-pump gear.\u003c\/p\u003e","brand":"Universal Parts","offers":[{"title":"Default Title","offer_id":67964487762241,"sku":"151-78","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/450070_d92d32ff-a7eb-4bd7-80a6-95ccb85ac420.jpg?v=1792993071"},{"product_id":"left-crankcase-type-2","title":"Universal Parts Left Crankcase - QMB139 w\/12\" Wheel","description":"Universal Parts Left Crankcase, Type-2 for 50cc 4-stroke QMB139 engines.\u003cbr\u003e \u003cbr\u003eThere are 3 versions of this crankcase, please check measurements before ordering.\u003cul\u003e \n\n\u003cli\u003eFor 12 inch rear wheel\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003eQMB139 50cc\/49cc , Various unlisted makes\/models","brand":"Universal Parts","offers":[{"title":"Default Title","offer_id":67964487991617,"sku":"151-231","price":85.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/151-231_8c9e31e6-5331-4a3e-9642-a081e7c6930d.webp?v=1792993068"},{"product_id":"oil-decompression-tube-genuine-gy6-150cc-ncy-brand","title":"NCY Crankcase Decompression Kit - Genuine\/GY6","description":"\u003cp\u003eReduce crankcase pressure and free up power with the \u003cstrong\u003eNCY Crankcase Decompression Kit\u003c\/strong\u003e. Designed for Genuine Buddy and GY6-based engines, this kit replaces your factory dipstick with a high-flow breather system. By venting excess blow-by gases, crankcase air density drops — allowing the piston to move more freely through less resistant air on each stroke. The result is reduced parasitic drag on the crankshaft, more free-revving engine character, and lower risk of oil burn, blown seals, and gasket leaks. A straightforward upgrade for any performance build or high-WOT application.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIntended for off-road \/ performance use only. Not for use on public roads.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces Crankcase Air Density:\u003c\/strong\u003e Venting blow-by gases lowers crankcase pressure, letting the piston travel through less resistant air for measurable power gains.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces Parasitic Drag:\u003c\/strong\u003e Less crankcase pressure means less drag on the crankshaft and freer engine revving.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtects Seals and Gaskets:\u003c\/strong\u003e Proper venting reduces the risk of blown oil seals, oil burn, and gasket leaks under sustained WOT.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e27\" Oil and Fuel-Resistant Tubing:\u003c\/strong\u003e 12mm ID \/ 18mm OD for flexible routing options.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC Billet Aluminum Cap:\u003c\/strong\u003e Anodized 17mm filler cap\/adapter with 18mm thread.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Kit:\u003c\/strong\u003e Tube, billet cap, stainless steel hose clamps, and zip ties included.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Tip:\u003c\/strong\u003e Route the breather tube upward toward the frame before pointing it down to prevent oil mist from escaping.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 1100-1282\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e 633U02H\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size:\u003c\/strong\u003e 18mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube Length:\u003c\/strong\u003e 27\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube ID\/OD:\u003c\/strong\u003e 12mm \/ 18mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCap Material:\u003c\/strong\u003e Anodized billet aluminum\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eModel Fitment\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eEngine Family\u003c\/th\u003e\n\u003cth\u003eCompatible Models\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eGenuine Scooter Co.\u003c\/td\u003e\n\u003ctd\u003eBuddy 125, Buddy 150, Buddy 170i, Hooligan, Blur\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGY6 50cc (QMB139)\u003c\/td\u003e\n\u003ctd\u003e139QMA, 139QMB, 1P39QMB, 147QMD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGY6 150cc (QMJ157)\u003c\/td\u003e\n\u003ctd\u003e157QMJ, 152QMI, 161QMK, 1P61QMK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOther Brands\u003c\/td\u003e\n\u003ctd\u003eTaoTao, Wolf, Icebear, Bintelli, SYM, KYMCO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e \u003c\/p\u003e","brand":"NCY","offers":[{"title":"Default Title","offer_id":67964572434753,"sku":"1100-1282","price":37.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/az-p012-6823-1-1100-1282_a_3c060f64-6124-4ddc-af62-7ea54a2824a2.jpg?v=1792557859"},{"product_id":"gy50-qmb139-cylinder-head-cover","title":"Cylinder Head Cover; 139QMB","description":"","brand":"BLUE LINE","offers":[{"title":"Default Title","offer_id":67964579184961,"sku":"1100-1298","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/az-p012-6831-0-1100-1298_15709033-afee-4d88-8e32-cbd8146fd31b.jpg?v=1792557868"},{"product_id":"crank-case-cover-right-125-150cc-gy6","title":"Crank Case Cover Right (125-150cc) ; GY6","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003eRight Side Crankcase Cover for 150cc and 125cc GY6 4T engines and 150cc GY6B 4T ZNEN engines.\u003c\/p\u003e\u003cp\u003eOriginal Parts For Scooters SKU 164-113\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eOverall Length: Approx. 8.5 Inches\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e157QMJ-based 125cc \/ 150cc \/ 169cc engines with the following engine codes:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e157QMJ\u003c\/td\u003e\n\u003ctd\u003e161QMK\u003c\/td\u003e\n\u003ctd\u003e152QMI\u003c\/td\u003e\n\u003ctd\u003e1P61QMK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYN1P57QMJ\u003c\/td\u003e\n\u003ctd\u003e1P52FMI\u003c\/td\u003e\n\u003ctd\u003e154FMI\u003c\/td\u003e\n\u003ctd\u003eJJ157QMJ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1P57QMJ\u003c\/td\u003e\n\u003ctd\u003eBN157QMJ\u003c\/td\u003e\n\u003ctd\u003eBN161QMK-A\u003c\/td\u003e\n\u003ctd\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\", this product is compatible with your vehicle.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout AZScooterParts:\u003cspan\u003e  \u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003eSince the beginning in 1989, AZScooterParts has become a major supplier of parts and accessories for vintage and modern scooters. We have everything you need, from wear-and-tear items like tires and oil filters to after-market parts from brands like Malossi, NCY, Prima, YSS, Dr. Pulley, and more.\u003c\/span\u003e\u003c\/p\u003e\u003ch2\u003eModel Fitment\u003c\/h2\u003e\u003cp\u003eBrands: Amstar, Amigo, Ascend, Baotian, Bashan, Blade, Boom, Chicago Scooter Company, Dongfang, Roketa, Baotian, Bashan, BMS, Cool Sports, E Ton, Fly Wing, Eagle, Fly, Italica, Riya, Ice Bear, Jackel, Jet Moto, JCL, Taotao, Peace, JM Star, Jonway, Kazuma, Keeway, KMD, Kymco, Lance, Lifan, Linhai, Loncin, Longbo, Fuxin, Jiajue, Tao Tao, Tao Motors, Trailmaster, Maxtrade, Meitien, Motofino, Motorino, NST, Panterra, Panther, Qlink, Yiben, Red Streak, Redcat, Roketa, Schwinn, Strada, SYM, Tank, Terminator ,Tomberlin, TNG, United Motors, Vento, Vitacci, Wildfire, Wolf, X-Treme, X-Pro, Yongfu, ZNEN, Zhongneng , Zhilong, Geely, Wangye, ZH and more Manufactured by: Taizhou Zhongneng Motorcycle Co.; Jiangsu Zhongneng Motorcycle Co.; Jiangsu Meijunte Technology Co.; Taizhou Qianxin Vehicle Co.; Ningbo Dongfang Lingyun Vehicle Made Co.; Taizhou Zhilong Technology Co.; Zhejiang Jiajue Motorcycle Manufacturing Co.; Zhejiang Gelly Ming Industrial Co.; Taizhou City Senglong Motorcycle Manufacture Co.; Jiangsu Sacin Motorcycle Co.; Jiangsu Linhai Power Machinery Group Co.; Zheijiang TaoTao Vehicles Co.; Zhejiang Senling Motorcycle Co.; Sanmen County Yongfu Machine Co; Taizhou Jiaojiang Zhiwei Motorcycle Manufacture Co.; Huzhou Daixi Zhenhua Technology Trade Co.; Taizhou Zhongneng Motorcycle Co.; Zhejiang Riya Motorcycle Co.; Ningbo Longjia Motorcycle Co.; Taizhou Zhongneng Motorcycle Co.; and more\u003c\/p\u003e\u003ch2\u003eProduct Diagrams\u003c\/h2\u003e\u003cul class=\"az-content-resources\"\u003e\u003cli\u003e\n\u003ca href=\"\/search?view=az-assembly\u0026amp;q=254\"\u003eGY6 RH CRANKCASE COVER\u003c\/a\u003e \u003cspan\u003eCallout 1\u003c\/span\u003e\n\u003c\/li\u003e\u003c\/ul\u003e","brand":"Brand not specified","offers":[{"title":"Default Title","offer_id":67964595700033,"sku":"1100-1097","price":44.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/1100-1097_8f21eb76-88cd-4826-a39a-e55506eccbc2.jpg?v=1792793651"},{"product_id":"right-crankcase-qmb139","title":"Right Crankcase; 139QMB","description":"\u003cp\u003eThis right side crankcase replaces the stock equipment on 139QMB bikes. \u003c\/p\u003e\u003cp\u003eOriginal Parts For Scooters SKU 151-129\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eUses a 33 tooth oil pump, available online\n\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eModel Fitment\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e139QMB-based 50cc \/ 80cc engines with the following engine codes:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e139QMA\u003c\/td\u003e\n\u003ctd\u003e139QMB\u003c\/td\u003e\n\u003ctd\u003e1P39QMB\u003c\/td\u003e\n\u003ctd\u003e1P39QMA-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYN139QMB\u003c\/td\u003e\n\u003ctd\u003eJJ1P39QMB\u003c\/td\u003e\n\u003ctd\u003e139FMA-2\u003c\/td\u003e\n\u003ctd\u003eBD1P39QMB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBN139QMB\u003c\/td\u003e\n\u003ctd\u003e147QMD\u003c\/td\u003e\n\u003ctd\u003eOther QMA models\u003c\/td\u003e\n\u003ctd\u003eOther QMB models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cspan\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 AZScooterParts:\u003c\/strong\u003e Since the beginning in 1989, AZScooterParts has become a major supplier of parts and accessories for vintage and modern scooters. We have everything you need, from wear-and-tear items like tires and oil filters to after-market parts from brands like Malossi, NCY, Prima, YSS, Dr. Pulley, and more.\u003c\/p\u003e","brand":"Blue Line","offers":[{"title":"Default Title","offer_id":67964596420929,"sku":"1100-1314","price":33.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/az-p012-8941-0-1100-1314_3dce4413-5b4b-4f4c-884b-514fa43431dc.jpg?v=1792557925"},{"product_id":"left-crankcase-qmb139","title":"Left Crankcase; 139QMB","description":"\u003cp\u003eStock crank case replacement, includes hardware\u003c\/p\u003e","brand":"Brand not specified","offers":[{"title":"Default Title","offer_id":67964621652289,"sku":"1100-1313","price":61.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/az-p012-9703-0-1100-1313_dc2328e4-a28d-4bdb-a2e4-081a7582757d.jpg?v=1792558011"},{"product_id":"left-side-crankcase-cover-csc-go-qmb139-scooters","title":"Left Side Crankcase Cover; CSC go., 139QMB Scooters","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003eReplacement CVT cover for the CSC go. and 139QMB scooters\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=6\"\u003eQMB139 ENGINE CASE\u003c\/a\u003e \u003cspan\u003eCallout 13\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/search?view=az-assembly\u0026amp;q=74\"\u003eGO MAX ENGINE CASE\u003c\/a\u003e \u003cspan\u003eCallout 13\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Chicago Scooter Company","offers":[{"title":"Default Title","offer_id":67964625944897,"sku":"1100-4062","price":39.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/az-p012-9777-0-1100-4062_5574ea79-ca8e-4c2a-a5a1-655f07af958d.jpg?v=1792558015"},{"product_id":"crankcase-cover-right-side-csc-go-qmb139-scooters","title":"Crankcase Cover Right Side; CSC go., 139QMB Scooters","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003eThis right-side crank case cover fits CSC go, go MAX, Bella Classic, Nitro Sport and Pug scooters and bikes running 50cc 4-stroke 139QMB engines.  \u003c\/p\u003e\u003cp\u003eOriginal Parts For Scooters SKU 151-248\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eFor bikes running a 47-tooth pump gear\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eModel Fitment\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eChicago Scooter Company go\u003c\/td\u003e\n\u003ctd\u003eChicago Scooter Company go MAX  \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChicago Scooter Company Pug50\u003c\/td\u003e\n\u003ctd\u003eChicago Scooter Company Bella Classic 50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChicago Scooter Company Nitro Sport 50\u003c\/td\u003e\n\u003ctd\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\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e139QMA\u003c\/td\u003e\n\u003ctd\u003e139QMB\u003c\/td\u003e\n\u003ctd\u003e1P39QMB\u003c\/td\u003e\n\u003ctd\u003e1P39QMA-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYN139QMB\u003c\/td\u003e\n\u003ctd\u003eJJ1P39QMB\u003c\/td\u003e\n\u003ctd\u003e139FMA-2\u003c\/td\u003e\n\u003ctd\u003eBD1P39QMB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBN139QMB\u003c\/td\u003e\n\u003ctd\u003e147QMD\u003c\/td\u003e\n\u003ctd\u003eOther QMA models\u003c\/td\u003e\n\u003ctd\u003eOther QMB models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cspan\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\u003ch2\u003eProduct Diagrams\u003c\/h2\u003e\u003cul class=\"az-content-resources\"\u003e\n\u003cli\u003e\n\u003ca href=\"\/search?view=az-assembly\u0026amp;q=119\"\u003eQMB139 CRANKCASE COVER-RIGHT\u003c\/a\u003e \u003cspan\u003eCallout 1\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/search?view=az-assembly\u0026amp;q=37\"\u003eBELLA CLASSIC 50 CRANKCASE COVER-RIGHT\u003c\/a\u003e \u003cspan\u003eCallout 1\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/search?view=az-assembly\u0026amp;q=89\"\u003eGO MAX CRANKCASE COVER RIGHT\u003c\/a\u003e \u003cspan\u003eCallout 1\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Chicago Scooter Company","offers":[{"title":"Default Title","offer_id":67964633448769,"sku":"1100-4037","price":22.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/1100-4037_f7ecd4bd-ebb6-461a-8cea-624f88210deb.jpg?v=1792793683"},{"product_id":"right-crankcase-gy6","title":"Right Crankcase; GY6","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003eRight hand crankcase on GY6 125 - 150cc engines.\u003c\/p\u003e\u003cp\u003eOriginal Parts For Scooters SKU 164-151\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eOverall dimensions: 9.5 x 7 x 4\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eModel Fitment\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e157QMJ-based 125cc \/ 150cc \/ 169cc engines with the following engine codes:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e157QMJ\u003c\/td\u003e\n\u003ctd\u003e161QMK\u003c\/td\u003e\n\u003ctd\u003e152QMI\u003c\/td\u003e\n\u003ctd\u003e1P61QMK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYN1P57QMJ\u003c\/td\u003e\n\u003ctd\u003e1P52FMI\u003c\/td\u003e\n\u003ctd\u003e154FMI\u003c\/td\u003e\n\u003ctd\u003eJJ157QMJ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1P57QMJ\u003c\/td\u003e\n\u003ctd\u003eBN157QMJ\u003c\/td\u003e\n\u003ctd\u003eBN161QMK-A\u003c\/td\u003e\n\u003ctd\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\", this product is compatible with your vehicle.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout AZScooterParts:\u003c\/strong\u003e Since the beginning in 1989, AZScooterParts has become a major supplier of parts and accessories for vintage and modern scooters. We have everything you need, from wear-and-tear items like tires and oil filters to after-market parts from brands like Malossi, NCY, Prima, YSS, Dr. Pulley, and more.\u003c\/p\u003e\u003ch2\u003eProduct Diagrams\u003c\/h2\u003e\u003cul class=\"az-content-resources\"\u003e\u003cli\u003e\n\u003ca href=\"\/search?view=az-assembly\u0026amp;q=242\"\u003eGY6 CRANKCASE\u003c\/a\u003e \u003cspan\u003eCallout 1\u003c\/span\u003e\n\u003c\/li\u003e\u003c\/ul\u003e","brand":"Brand not specified","offers":[{"title":"Default Title","offer_id":67964639183169,"sku":"1100-1166","price":49.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/az-p012-9803-0-1100-1166_e8908f38-bed7-4d21-9b48-ef2e8f43f026.jpg?v=1792558031"},{"product_id":"left-side-crankcase-standard-gy6","title":"Blue Line GY6 Left Engine Case \/ Crankcase","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003eReplace a cracked, stripped, or damaged engine block with this \u003cstrong\u003eGY6 Left Side Crankcase (Standard)\u003c\/strong\u003e. A direct OEM-spec replacement for the left half of the engine case on 125cc and 150cc GY6-based scooters, this crankcase fits the widely used 157QMJ engine family and its many variants — covering a broad range of Chinese-manufactured scooters and mopeds.\u003c\/p\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDirect OEM-spec replacement for GY6 left engine case\u003c\/li\u003e\n\u003cli\u003eFits 157QMJ family and all major QMJ\/QMI\/QMK variants\u003c\/li\u003e\n\u003cli\u003eCompatible with 125cc, 150cc, and 169cc standard GY6 engines\u003c\/li\u003e\n\u003cli\u003eBroad fitment across Chinese-manufactured scooters and mopeds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e GY6 125cc \/ 150cc standard engines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length:\u003c\/strong\u003e 20 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 5.375 lbs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 164-150 \/ 164-321\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e China\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eModel Fitment\u003c\/h2\u003e\u003cp\u003eFits \u003cstrong\u003e157QMJ-based 125cc, 150cc, and 169cc engines\u003c\/strong\u003e with the following engine codes:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eEngine Code\u003c\/th\u003e\n\u003cth\u003eEngine Code\u003c\/th\u003e\n\u003cth\u003eEngine Code\u003c\/th\u003e\n\u003cth\u003eEngine Code\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e157QMJ\u003c\/td\u003e\n\u003ctd\u003e161QMK\u003c\/td\u003e\n\u003ctd\u003e152QMI\u003c\/td\u003e\n\u003ctd\u003e1P61QMK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYN1P57QMJ\u003c\/td\u003e\n\u003ctd\u003e1P52FMI\u003c\/td\u003e\n\u003ctd\u003e154FMI\u003c\/td\u003e\n\u003ctd\u003eJJ157QMJ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1P57QMJ\u003c\/td\u003e\n\u003ctd\u003eBN157QMJ\u003c\/td\u003e\n\u003ctd\u003eBN161QMK-A\u003c\/td\u003e\n\u003ctd\u003eOther QMJ \/ QMK \/ QMI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cblockquote\u003e\n\u003cstrong\u003eDon't see your engine code?\u003c\/strong\u003e If your engine code contains \"QM\" or \"FM\", this crankcase is likely compatible with your vehicle.\u003c\/blockquote\u003e\u003cp\u003eCalifornia Prop 65 Warning: www.p65warnings.ca.gov\u003c\/p\u003e\u003ch2\u003eProduct Diagrams\u003c\/h2\u003e\u003cul class=\"az-content-resources\"\u003e\u003cli\u003e\n\u003ca href=\"\/search?view=az-assembly\u0026amp;q=242\"\u003eGY6 CRANKCASE\u003c\/a\u003e \u003cspan\u003eCallout 4\u003c\/span\u003e\n\u003c\/li\u003e\u003c\/ul\u003e","brand":"Brand not specified","offers":[{"title":"Default Title","offer_id":67964639969601,"sku":"1100-1169","price":89.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/az-p012-9804-0-1100-1169_1.jpg?v=1792558031"},{"product_id":"complete-case-set-csc-go-qmb139-scooters","title":"Complete Case Set; CSC go., 139QMB Scooters","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003eMatching engine case set for the CSC go. and 139QMB engines.\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=6\"\u003eQMB139 ENGINE CASE\u003c\/a\u003e \u003cspan\u003eCallout 6\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/search?view=az-assembly\u0026amp;q=74\"\u003eGO MAX ENGINE CASE\u003c\/a\u003e \u003cspan\u003eCallout 6\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Chicago Scooter Company","offers":[{"title":"Default Title","offer_id":67964648685889,"sku":"1100-4061","price":127.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/az-p012-9389-0-1100-4061_82dabe64-ffe7-4125-9507-16b8ceff8750.jpg?v=1792558044"},{"product_id":"blue-line-gy6-engine-case-assembly-short-complete","title":"Blue Line GY6 Engine Case Assembly | Short Case 125\/150cc","description":"\u003cp\u003eBlue Line OEM-sourced complete short engine case assembly for GY6 125\/150cc scooters (SKU: 1100-1500). Buffers and bearings are already pressed into the case halves — just bolt on your engine components and build from scratch. All hardware included. A cost-effective solution when OEM cases are unavailable or prohibitively expensive.\u003c\/p\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eComplete short engine case assembly — ready to build\u003c\/li\u003e\n\u003cli\u003eBuffers and bearings pre-pressed in from the factory\u003c\/li\u003e\n\u003cli\u003eAll hardware included\u003c\/li\u003e\n\u003cli\u003eOEM-equivalent fit for GY6 125\/150cc short case engines (10\" wheel scooters)\u003c\/li\u003e\n\u003cli\u003eSKU: 1100-1500 | Brand: Blue Line\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrand: Blue Line\u003c\/li\u003e\n\u003cli\u003eSKU: 1100-1500\u003c\/li\u003e\n\u003cli\u003eEngine type: GY6 short case (157QMJ-based)\u003c\/li\u003e\n\u003cli\u003eDimensions: 20\" L x 12\" W x 5\" H\u003c\/li\u003e\n\u003cli\u003eIncludes: Hardware, pre-pressed buffers, and bearings\u003c\/li\u003e\n\u003cli\u003eCountry of origin: China\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eModel Fitment\u003c\/h2\u003e\u003cp\u003eFits GY6 125\/150\/169cc short case engines with the following engine codes:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eEngine Code\u003c\/th\u003e\n\u003cth\u003eEngine Code\u003c\/th\u003e\n\u003cth\u003eEngine Code\u003c\/th\u003e\n\u003cth\u003eEngine Code\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e157QMJ\u003c\/td\u003e\n\u003ctd\u003e161QMK\u003c\/td\u003e\n\u003ctd\u003e152QMI\u003c\/td\u003e\n\u003ctd\u003e1P61QMK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYN1P57QMJ\u003c\/td\u003e\n\u003ctd\u003e1P52FMI\u003c\/td\u003e\n\u003ctd\u003e154FMI\u003c\/td\u003e\n\u003ctd\u003eJJ157QMJ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1P57QMJ\u003c\/td\u003e\n\u003ctd\u003eBN157QMJ\u003c\/td\u003e\n\u003ctd\u003eBN161QMK-A\u003c\/td\u003e\n\u003ctd\u003eOther QMJ\/QMK\/QMI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e \u003c\/p\u003e","brand":"BLUE LINE","offers":[{"title":"Default Title","offer_id":67964663660865,"sku":"1100-1500","price":118.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/az-p012-12386-0-1100-1500_8356fa3e-3ebe-467f-ac30-ab7c9da25943.jpg?v=1792558764"},{"product_id":"chicago-scooter-company-right-crank-case-for-csc-bella-pug-nitro-sport","title":"Right Crank Case; CSC Bella, Pug, Nitro Sport","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003eRight Crank Case; CSC Bella, Pug\u003c\/p\u003e\u003cp\u003eOriginal ZNEN Part Number: 11100-SQ5A-9000\u003cbr\u003eIn addtion to CSC Bella, this fits 50cc versions of Wolf Lucky and Amigo Avenza, \u003c\/p\u003e\u003ch2\u003eProduct Diagrams\u003c\/h2\u003e\u003cul class=\"az-content-resources\"\u003e\u003cli\u003e\n\u003ca href=\"\/search?view=az-assembly\u0026amp;q=15\"\u003eBELLA CLASSIC 50 GEAR BOX\u003c\/a\u003e \u003cspan\u003eCallout 6\u003c\/span\u003e\n\u003c\/li\u003e\u003c\/ul\u003e","brand":"Chicago Scooter Company","offers":[{"title":"Default Title","offer_id":67964679160129,"sku":"1100-4107","price":44.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/az-p012-15723-0-1100-4107_cc6c168c-d7f5-4cba-9dd3-16d11bd7e770.jpg?v=1792558781"},{"product_id":"chicago-scooter-company-epa-head-cover-assembly-for-csc-bella-pug-nitro-sport","title":"EPA Head Cover Assembly; CSC Bella, Pug, Nitro Sport","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003eEPA Head Cover Assembly; CSC Bella, Pug\u003c\/p\u003e\u003cp\u003eOriginal ZNEN Part Number: 1231A-SQ5A-9000\u003cbr\u003eIn addtion to CSC Bella, this fits 50cc versions of Wolf Lucky and Amigo Avenza, \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=211\"\u003ePUG 50 CYLINDER HEAD AND CAMSHAFT\u003c\/a\u003e \u003cspan\u003eCallout 14\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/search?view=az-assembly\u0026amp;q=38\"\u003eBELLA CLASSIC 50 CYLINDER HEAD AND CAMSHAFT\u003c\/a\u003e \u003cspan\u003eCallout 14\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Chicago Scooter Company","offers":[{"title":"Default Title","offer_id":67964696461633,"sku":"1100-4106","price":46.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/az-p012-16373-0-1100-4106_8eca8a21-519b-4be7-90a5-77552c66b778.jpg?v=1792558843"},{"product_id":"genuine-scooters-crank-case-assy-clutch-side-for-stella-4t","title":"Crank Case Assy Clutch Side; Stella 4T","description":"\u003cp\u003eGenuine Scooters Crank Case Assy Clutch Side for Stella 4T.\u003c\/p\u003e","brand":"Genuine Scooters","offers":[{"title":"Default Title","offer_id":67964707897665,"sku":"SF513-0191","price":474.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/az-p012-16388-0-AC3A9577.jpg?v=1792558855"},{"product_id":"chicago-scooter-company-long-left-side-crankcase-cover-for-csc-pug","title":"Left Side Crankcase Cover (Long); CSC Pug","description":"\u003cp\u003eLeft Side Crankcase Cover (Long); CSC Pug\u003c\/p\u003e\u003cp\u003eOriginal ZNEN Part Number: 11340-SQ5A-9100\u003cbr\u003e\u003c\/p\u003e","brand":"Chicago Scooter Company","offers":[{"title":"Default Title","offer_id":67964708454721,"sku":"1100-4113","price":57.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/az-p012-15855-0-1100-4113_fcd60cae-e7be-409c-bd76-6ccafc58cf37.jpg?v=1792558856"},{"product_id":"genuine-scooters-crank-case-flywheel-side-for-stella-4t","title":"Crank Case Flywheel Side; Stella 4T","description":"\u003cp\u003eGenuine Scooters Crank Case Flywheel Side for Stella 4T.\u003c\/p\u003e","brand":"Genuine Scooters","offers":[{"title":"Default Title","offer_id":67964709699905,"sku":"SF512-0219","price":149.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/az-p012-16390-0-AC3A9572.jpg?v=1792558857"},{"product_id":"genuine-scooters-cover-cylinder-head-lh-for-stella-4t","title":"Cover Cylinder Head LH; Stella 4T","description":"\u003cp\u003eGenuine Scooters Cover Cylinder Head LH for Stella 4T.\u003c\/p\u003e","brand":"Genuine Scooters","offers":[{"title":"Default Title","offer_id":67964710781249,"sku":"SF513-0098","price":9.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/az-p012-16122-0-08C469EE-7B03-46E6-82D5-6EC578B87BEF.jpg?v=1792558858"},{"product_id":"chicago-scooter-company-left-crank-case-for-csc-bella-nitro-sport","title":"Left Crank Case; CSC Bella, Nitro Sport","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003eLeft Crank Case; CSC Bella, Pug\u003c\/p\u003e\u003cp\u003eOriginal ZNEN Part Number: 11200-SQ5C-9000\u003cbr\u003eIn addtion to CSC Bella, this fits 50cc versions of Wolf Lucky and Amigo Avenza, \u003c\/p\u003e\u003ch2\u003eProduct Diagrams\u003c\/h2\u003e\u003cul class=\"az-content-resources\"\u003e\u003cli\u003e\n\u003ca href=\"\/search?view=az-assembly\u0026amp;q=19\"\u003eBELLA CLASSIC 50 ENGINE CASE\u003c\/a\u003e \u003cspan\u003eCallout 7\u003c\/span\u003e\n\u003c\/li\u003e\u003c\/ul\u003e","brand":"Chicago Scooter Company","offers":[{"title":"Default Title","offer_id":67964712255809,"sku":"1100-4108","price":77.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/az-p012-16300-0-1100-4108_b9f4a3b3-4972-4a69-bd44-44d855ae3945.jpg?v=1792558860"},{"product_id":"chicago-scooter-company-short-left-side-crankcase-cover-for-csc-bella-nitro-sport","title":"Left Side Crankcase Cover (Short); CSC Bella, Nitro Sport","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003eLeft Side Crankcase Cover (Short); CSC Bella\u003c\/p\u003e\u003cp\u003eOriginal ZNEN Part Number: 11340-SQ5A-9200\u003cbr\u003eIn addtion to CSC Bella, this fits 50cc versions of Wolf Lucky and Amigo Avenza, \u003c\/p\u003e\u003ch2\u003eProduct Diagrams\u003c\/h2\u003e\u003cul class=\"az-content-resources\"\u003e\u003cli\u003e\n\u003ca href=\"\/search?view=az-assembly\u0026amp;q=19\"\u003eBELLA CLASSIC 50 ENGINE CASE\u003c\/a\u003e \u003cspan\u003eCallout 13\u003c\/span\u003e\n\u003c\/li\u003e\u003c\/ul\u003e","brand":"Chicago Scooter Company","offers":[{"title":"Default Title","offer_id":67964713238849,"sku":"1100-4112","price":57.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/az-p012-15861-0-1100-4112_355f15ad-578c-422a-9199-f5be9270d500.jpg?v=1792558861"},{"product_id":"genuine-scooters-cover-cylinder-head-comp-for-stella-auto","title":"Cover, Cylinder Head Comp.; Stella Auto","description":"\u003cp\u003eGenuine Scooters Cover, Cylinder Head Comp. for Stella Auto.\u003c\/p\u003e","brand":"Genuine Scooters","offers":[{"title":"Default Title","offer_id":67964714713409,"sku":"SF112-0052","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/az-p012-16399-0-4A92DFA0-79E7-4C6F-A2F7-E4D8869B158F.jpg?v=1792558864"},{"product_id":"genuine-scooters-crank-case-comp-right-for-stella-auto","title":"Crank Case Comp., Right; Stella Auto","description":"\u003cp\u003eGenuine Scooters Crank Case Comp., Right for Stella Auto.\u003c\/p\u003e","brand":"Genuine Scooters","offers":[{"title":"Default Title","offer_id":67964731883841,"sku":"SF110-0059","price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/SF110-0059.webp?v=1792793645"},{"product_id":"right-side-blue-line-complete-crankcase-cover-for-gy6-150","title":"Blue Line Complete Crankcase Cover (Right Side); GY6 150","description":"\u003cp\u003eOEM style complete right crankcase cover for Series A crankcases on 125\/150cc GY6 engines. Not sure whether you have a Series A or Series B GY6? Remove the valve cover and measure the stud spacing. Series A = 54mm, Series B = 57mm.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOverall dimensions: 9\"L x 7.5\"W x 2\"H\u003c\/li\u003e\n\u003cli\u003eIncludes right-side crankcase and assorted hardware.  See photos.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe stock GY6 dipstick can be found here.\u003c\/p\u003e\u003cp\u003eThe crankcase gasket can be found here. \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e157QMJ-based 125cc \/ 150cc \/ 169cc engines with the following engine codes:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e157QMJ\u003c\/td\u003e\n\u003ctd\u003e161QMK\u003c\/td\u003e\n\u003ctd\u003e152QMI\u003c\/td\u003e\n\u003ctd\u003e1P61QMK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYN1P57QMJ\u003c\/td\u003e\n\u003ctd\u003e1P52FMI\u003c\/td\u003e\n\u003ctd\u003e154FMI\u003c\/td\u003e\n\u003ctd\u003eJJ157QMJ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1P57QMJ\u003c\/td\u003e\n\u003ctd\u003eBN157QMJ\u003c\/td\u003e\n\u003ctd\u003eBN161QMK-A\u003c\/td\u003e\n\u003ctd\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\", this product is compatible with your vehicle.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Blue Line:\u003c\/strong\u003e Blue Line offers OEM equivalent replacement parts for on-road scooters. Blue Line parts are a direct-fit replacement when OEM parts are unavailable or overly expensive for your scooter. Since 2018, Blue Line has provided quality parts at great prices.\u003c\/p\u003e\u003ch2\u003eModel Fitment\u003c\/h2\u003e\u003cp\u003eBrands: Amstar, Amigo, Ascend, Baotian, Bashan, Blade, Boom, Chicago Scooter Company, Dongfang, Roketa, Baotian, Bashan, BMS, Cool Sports, E Ton, Fly Wing, Eagle, Fly, Italica, Riya, Ice Bear, Jackel, Jet Moto, JCL, Taotao, Peace, JM Star, Jonway, Kazuma, Keeway, KMD, Kymco, Lance, Lifan, Linhai, Loncin, Longbo, Fuxin, Jiajue, Tao Tao, Tao Motors, Trailmaster, Maxtrade, Meitien, Motofino, Motorino, NST, Panterra, Panther, Qlink, Yiben, Red Streak, Redcat, Roketa, Schwinn, Strada, SYM, Tank, Terminator ,Tomberlin, TNG, United Motors, Vento, Vitacci, Wildfire, Wolf, X-Treme, X-Pro, Yongfu, ZNEN, Zhongneng , Zhilong, Geely, Wangye, ZH and more Manufactured by: Taizhou Zhongneng Motorcycle Co.; Jiangsu Zhongneng Motorcycle Co.; Jiangsu Meijunte Technology Co.; Taizhou Qianxin Vehicle Co.; Ningbo Dongfang Lingyun Vehicle Made Co.; Taizhou Zhilong Technology Co.; Zhejiang Jiajue Motorcycle Manufacturing Co.; Zhejiang Gelly Ming Industrial Co.; Taizhou City Senglong Motorcycle Manufacture Co.; Jiangsu Sacin Motorcycle Co.; Jiangsu Linhai Power Machinery Group Co.; Zheijiang TaoTao Vehicles Co.; Zhejiang Senling Motorcycle Co.; Sanmen County Yongfu Machine Co; Taizhou Jiaojiang Zhiwei Motorcycle Manufacture Co.; Huzhou Daixi Zhenhua Technology Trade Co.; Taizhou Zhongneng Motorcycle Co.; Zhejiang Riya Motorcycle Co.; Ningbo Longjia Motorcycle Co.; Taizhou Zhongneng Motorcycle Co.; and more\u003c\/p\u003e","brand":"BLUE LINE","offers":[{"title":"Default Title","offer_id":67964749906241,"sku":"1100-1546","price":39.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/E2110D0D-723C-4CE1-873D-B0A75677B6E3.jpg?v=1792793707"},{"product_id":"universal-parts-left-crankcase-cover-qmb139-extra-long-magento-18263","title":"Left Crankcase Cover - QMB139 Extra Long","description":"Universal Parts extra long left crankcase cover for 50cc 4-stroke QMB139 engines. Overall length: 18.25 inches, 12 mounting holes. There are 3 versions of this cover, please check measurements before ordering.\u003cul\u003e \r\n\u003cli\u003eOverall Length: 18.25 inches \r\n\u003c\/li\u003e\n\u003cli\u003e12 Bolt Holes\u003c\/li\u003e\n\u003c\/ul\u003eQMB139 50cc\/49cc , Various unlisted makes\/models","brand":"Universal Parts","offers":[{"title":"Black","offer_id":68032442040641,"sku":"151-223   BK","price":45.0,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":67964775596353,"sku":"151-223   SIL","price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/450538.jpg?v=1792806495"},{"product_id":"universal-parts-left-crankcase-cover-qmb139-50cc-shortcase-magento-18423","title":"Left Crankcase Cover - QMB139 50cc Shortcase — SIL","description":"Left Crankcase Cover for 50cc 4-stroke QMB139 engines - Overall Length: 15.75 inches, 8 mounting holes. \u003cbr\u003e \u003cp\u003eThere are multiple versions of this cover, please check measurements before ordering\u003c\/p\u003e\u003cul\u003e \n\n\u003cli\u003eOverall Length: 15.75 inches  \n\n\u003c\/li\u003e\n\u003cli\u003eTotal Mounting Holes: 10\u003c\/li\u003e\n\u003cli\u003eBolt Holes : 8\u003c\/li\u003e\n\u003cli\u003eDowel Holes: 2\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003ctd\u003eSIL\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Universal Parts","offers":[{"title":"Default Title","offer_id":67964777562433,"sku":"151-77    SIL","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/151-77_c19be494-a3b8-402a-878d-a693da2ed39a.webp?v=1792993070"},{"product_id":"crankcase-assembly-left-long-gy6-chinese","title":"Crankcase Assembly (Left, Long) GY6, Chinese","description":"\u003cp\u003eLeft hand crankcase assembly for GY6 125-150cc long engines\u003c\/p\u003e","brand":"Brand not specified","offers":[{"title":"Default Title","offer_id":67964786508097,"sku":"1100-1216","price":73.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/1100-1216_3b535ddb-c039-42b7-a7cd-e70fc5db90b3.jpg?v=1792793696"},{"product_id":"50cc-2-stroke-right-crankcase-local-2673","title":"50cc 2-stroke, Right Crankcase","description":"\u003cp\u003eRight Crankcase for 50cc 2-stroke Minarelli 1PE40QMB Jog engines.\u003c\/p\u003e\u003cp\u003ePlease note, all sales on clearance items are final.\u003c\/p\u003e\u003cp\u003eAll sales on clearance items are final\u003c\/p\u003e","brand":"Universal Parts","offers":[{"title":"Default Title","offer_id":68171694408001,"sku":"161-153","price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/img161-153-640_1.jpg?v=1793826768"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/collections\/az-p051-crankcases.png?v=1793858279","url":"https:\/\/azscooterparts.com\/collections\/scooter-crankcases.oembed?page=2","provider":"AZScooterParts","version":"1.0","type":"link"}