{"product_id":"qingqi-qm50qt-b2-50cc-piston-ring-set-for-scooters-mopeds","title":"Qingqi QM50QT-B2 50cc Piston Ring Set for Scooters \u0026 Mopeds","description":"\u003ch2\u003e50cc Piston Ring Set for Qingqi QM50QT-B2 Scooters\u003c\/h2\u003e\u003cp\u003eThis piston ring set is made for the Qingqi QM50QT-B2, a 50cc 2-stroke scooter. Its job is to seal the combustion chamber so the engine runs properly. When the rings wear down, you may notice smoke, higher oil use, and lower compression, which is why replacing them can be necessary. They are one of the \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003escooter pistons \u0026amp; piston rings\u003c\/a\u003e worth checking during routine maintenance.\u003c\/p\u003e\u003ch3\u003eFunction of This Part\u003c\/h3\u003e\u003cp\u003eThe piston rings help keep the combustion chamber sealed. Once they wear out, problems such as oil leaking into the chamber and reduced engine efficiency can follow. Fitting a new set is an important step in bringing back the scooter's performance.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Diameter:\u003c\/strong\u003e 42mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompressed Diameter:\u003c\/strong\u003e 40.7mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRing Thickness:\u003c\/strong\u003e 1.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInside Diameter:\u003c\/strong\u003e 39.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRing Width:\u003c\/strong\u003e 1.6mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Qingqi QM50QT-B2 50cc 2-stroke scooters and mopeds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eQingqi QM50QT-B2 50cc 2-stroke scooter (42mm bore piston rings)\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Check your piston's bore. The ring set's total diameter is 42mm, so it is meant for a 42mm bore.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51135748866105,"sku":"TT-16418","price":6.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/qingqi-qm50qt-b2-50cc-piston-ring-set-1.jpg?v=1794349681","url":"https:\/\/www.trendtimes.com\/products\/qingqi-qm50qt-b2-50cc-piston-ring-set-for-scooters-mopeds","provider":"Trend Times Toy Stores","version":"1.0","type":"link"}