{"product_id":"naraku-qmb139-47mm-72cc-performance-cylinder-kit","title":"Naraku QMB139 47mm 72cc Performance Cylinder Kit","description":"\u003cp\u003eNaraku 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. This 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. Upgrades to 72cc Cylinder Bore: 47mm Cylinder Sleeve Outer Diameter: 53.1mm Wrist Pin Diameter: 13mm Total Piston Height: 34.1mm QMB139 50cc\/49cc , Various unlisted makes\/models This product is not intended for use on public roads or land.\u003c\/p\u003e","brand":"naraku","offers":[{"title":"Default Title","offer_id":48045668040891,"sku":"137-13","price":149.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/thriftyscooters.com\/products\/naraku-qmb139-47mm-72cc-performance-cylinder-kit","provider":"Thrifty Scooters","version":"1.0","type":"link"}