{"title":"Engines","description":"We have complete replacement 50cc 2-stroke Minarelli-style 1PE40QMB, 4-stroke GY6 139QMB, and 150cc 4-stroke GY6 157QMJ scooter engines with automatic CVT are now available. These Chinese built replacement GY6 and Minarelli-style engines are a direct replacement for many brands and models of scooters, ATVs, and buggies that use a standard short or long case GY6 engine.\u003cbr\u003e\u003cbr\u003eA complete Minarelli or GY6 replacement engine will save you money on repairs and extend the life of your street scooter, ATV, or buggy. The replacement 50cc 4-stroke GY6 139QMB and 150cc 4-stroke GY6 157QMJ engines are high quality and meet US EPA standards for emissions. Both the 50cc and 150cc engine comes complete with CVT transmission so installation can be as easy as removing the old engine and bolting in the new engine. They are compatible with scooters, ATVs, and buggies that have rear drum brakes. They will not work on scooters, ATVs, and buggies that use rear disc brakes.\u003cbr\u003e\u003cbr\u003e","products":[{"product_id":"150cc-gy6-scooter-go-kart-engine-crankcase-cover","title":"150cc GY6 Scooter \u0026 Go-Kart Engine Crankcase Cover","description":"Do you need a replacement a 150cc GY6 scooter \u0026amp; go-kart engine crankcase cover? The 150cc GY6 engine is a very common scooter and go-kart engine, and sports a nice black finish.\u003cbr\u003e\u003cbr\u003e\nThis case is designed for use with 10\" or 11\" diameter rear rims. \u003cbr\u003e\u003cbr\u003e Please use your rear rims to determine correct fitment.","brand":"Monster Scooter Parts","offers":[{"title":"Default Title","offer_id":44337004445858,"sku":"E88-9574","price":34.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/6943\/0690\/files\/e88-9574_1.jpg?v=1774790566"},{"product_id":"50cc-139qmb-scooter-go-kart-engine-crankcase-cover","title":"50cc 139QMB Scooter \u0026 Go-Kart Engine Crankcase Cover","description":"Here is a 50cc 139QMB scooter \u0026amp; go-kart engine crankcase cover for those popular 4-stroke 139QMB engines that put the power to so many of today's 49\/50cc motor scooters. These are probably the most common scooter and go-kart engines, and many millions have been made over the years.\nTwo styles are available, the long case and the short case versions. Both sport a nice black finish.\u003cbr\u003e\u003cbr\u003e\nThe \u003cb\u003eshort case\u003c\/b\u003e engine is designed for use with 10\" diameter rear rims. This would correspond to a tire size of 2.75-10 through 3.50-10. A short case engine will not accommodate rear tires that are larger than 3.50-10.\u003cbr\u003e\u003cbr\u003e\nThe \u003cb\u003elong case\u003c\/b\u003e engine is designed to allow the use of 12\" rear rims. This would correspond to a tire size of 110\/70-12 through 140\/70-12. Please use your rear tire size to determine which crankcase cover is right for your go-kart or street-legal motor scooter.","brand":"Monster Scooter Parts","offers":[{"title":"Long Case","offer_id":44393189245090,"sku":"X98-6746-001","price":18.99,"currency_code":"USD","in_stock":false},{"title":"Short Case","offer_id":44393189277858,"sku":"X98-6746-002","price":18.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/6943\/0690\/files\/x98-6746_1.jpg?v=1774839896"}],"url":"https:\/\/monstorscooterparts.shop\/collections\/street-scooters-engines.oembed","provider":"Monster Scooter Parts","version":"1.0","type":"link"}