{"product_id":"50cc-72cc-high-performance-scooter-engine-kit","title":"72cc 47 mm High Performance Big Bore Cylinder Kit for 50cc QMB139 Scooter Engines","description":"Our 72cc scooter big bore cylinder kit is great for increasing overall performance on small under-powered 50cc QMB139 scooter engines.\u003cbr\u003e\n\u003cbr\u003e\nEngine kit increases engine bore size from 50cc to 72cc and includes everything shown in the image; cylinder, rings, and gaskets.\u003cbr\u003e\u003cbr\u003e\nThis 72cc scooter engine kit increases low end acceleration as well as top speed.\u003cbr\u003e\n\u003cbr\u003e\nThis high performance scooter big bore engine kit is easy to install. Combine with a high performance carburetor and high performance exhaust and get peak performance from your 50cc gas scooter.\u003cbr\u003e\n\u003cbr\u003e\n\u003cb\u003eNote:\u003c\/b\u003e This high performance cylinder kit is only compatible with 4-stroke 50cc QMB139 engines.","brand":"Monster Scooter Parts","offers":[{"title":"Default Title","offer_id":44337105830050,"sku":"K72-7916","price":38.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/6943\/0690\/files\/k72-7916.jpg?v=1774816261","url":"https:\/\/monstorscooterparts.shop\/products\/50cc-72cc-high-performance-scooter-engine-kit","provider":"Monster Scooter Parts","version":"1.0","type":"link"}