{"product_id":"1100-1326","title":"Rocker Arm Assembly (Type 1, 64mm); QMB139","description":"\u003cp\u003eOEM rocker arm 64mm two-valve assembly for Type 1 139QMB engines, including Chicago Scooter Company go, go MAX, Pug 50, Nitro Sport 50 and Bella Classic 50 scooters.\u003c\/p\u003e\n\u003cp\u003eType 1 engines have a shorter head and 64mm long valve stems. If you have 69mm valve stems and a taller cylinder head, you have the Type 2 engine made by Zhejiang ZhongNeng aka ZNEN. This product does not work with Type 2 engines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRocker Arm Holder L: 66mm \/ W: 66mm \/ H: 26mm \/ Holes: 7.4\u0026lt;9mm \/ Space: 50mm\u003c\/li\u003e\n\u003cli\u003eShaft Inlet L: 51.3mm \/ OD: 8.8\u0026lt;12.9mm \/ ID: M5\u003c\/li\u003e\n\u003cli\u003eShaft Outlet L: 43.5mm \/ OD: 10mm \/ ID: M5\u003c\/li\u003e\n\u003cli\u003e2 Rocker Arms L: 52.7mm \/ W: 22.2mm \/ H: 18.6mm\u003c\/li\u003e\n\u003cli\u003e2 Tappets L: 18.53mm \/ OD: M5x0.5mm\u003c\/li\u003e\n\u003cli\u003e2 Nuts L: 4.2mm \/ ID: M5x0.5mm \/ OD: 9mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCSC Bella Classic 50\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eCSC Nitro Sport 50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCSC Pug 50\u003c\/td\u003e\n\u003ctd\u003eCSC go\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCSC go MAX\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e139QMB-based 50cc \/ 80cc engines with the following engine codes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable height=\"100\" width=\"463\"\u003e\n\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\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDon't see your engine listed? If the engine code includes \"QM\" or \"FM\", and you're running a Type 1 engine, this product is compatible with your vehicle.\u003c\/span\u003e\u003c\/p\u003e","brand":"Chicago Scooter Company","offers":[{"title":"Default Title","offer_id":32973199900812,"sku":"1100-1326","price":22.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0371\/8188\/2508\/files\/1100-1326_a_c43c77db-1f6a-4279-97cf-72d31a74212f_1.jpg?v=1767065516","url":"https:\/\/primoscootercompany.com\/products\/1100-1326","provider":"Primo Scooter Company","version":"1.0","type":"link"}