{"product_id":"naraku-qmb139-47mm-72cc-performance-cylinder-kit-137-13","title":"Naraku QMB139 47mm 72cc Performance Cylinder Kit","description":"Naraku 50cc QMB139 4-stroke 47mm Big Bore Cylinder Kit. Kit includes cylinder, piston, rings, piston pin, cir clips, head gasket, base gasket, exhaust gasket and cam chain tensioner gasket.\u003cbr\u003e\u003cbr\u003eThis is a drop in cylinder kit, no crank case modifications required! When used in conjunction with a stock stroke of 41.4mm the total displacement comes out to 72cc.\u003cbr\u003e \u003cbr\u003e\u003cul\u003e \n\n\u003cli\u003eUpgrades to 72cc  \n\n\u003c\/li\u003e\n\u003cli\u003eCylinder Bore: 47mm  \n\n\u003c\/li\u003e\n\u003cli\u003eCylinder Sleeve Outer Diameter: 53.1mm   \n\n\u003c\/li\u003e\n\u003cli\u003eWrist Pin Diameter: 13mm  \n\n\u003c\/li\u003e\n\u003cli\u003eTotal Piston Height: 34.1mm  \n\n\u003c\/li\u003e\n\u003c\/ul\u003eQMB139 50cc\/49cc , Various unlisted makes\/models\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":49985985184024,"sku":"137-13","price":149.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/files\/451104_4a04d8b6-94ed-4304-b024-eec5777ea9a9.jpg?v=1744827318","url":"https:\/\/www.scooterworks.com\/products\/naraku-qmb139-47mm-72cc-performance-cylinder-kit-137-13","provider":"Scooterworks USA, LLC","version":"1.0","type":"link"}