{"product_id":"piston-pin-for-scooters-mopeds","title":"Piston Pin for Scooters \u0026 Mopeds","description":"\u003ch2\u003ePiston Pin for 50cc 4-Stroke Scooters and Mopeds\u003c\/h2\u003e\u003cp\u003eThis piston pin is designed specifically for 50cc 4-stroke QMB139 engines, making it an important component for maintaining engine performance. It plays a key role in sealing the combustion chamber, which is necessary for proper operation. As one of the \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003escooter pistons \u0026amp; piston rings\u003c\/a\u003e, it helps prevent issues such as excessive smoke and oil consumption due to worn rings. Selecting the correct diameter and size ensures compatibility with your cylinder, promoting efficient engine function.\u003c\/p\u003e\u003ch3\u003eWhat This Part Does\u003c\/h3\u003e\u003cp\u003eReplacing a worn piston pin is necessary to restore proper compression and engine efficiency. If the piston rings are damaged or worn out, it can lead to increased oil consumption and smoke emissions. Regular inspection and timely replacement of this part can help prevent further engine damage.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 31mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e 13mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e QMB139 50cc\/49cc engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eThis piston pin is compatible with various scooters and mopeds equipped with the QMB139 engine.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e50cc 4-stroke scooters\u003c\/li\u003e\n\u003cli\u003e49cc mopeds\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNot sure it fits? Contact us with your scooter's make, model and year and we'll confirm the fit before you order.\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-hardware\"\u003eScooter Bolts, Screws \u0026amp; Hardware\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Magic Cars","offers":[{"title":"Default Title","offer_id":52795145093351,"sku":"25-901818","price":3.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2245\/9711\/files\/piston-pin-1.jpg?v=1791583963","url":"https:\/\/www.magiccars.com\/products\/piston-pin-for-scooters-mopeds","provider":"MagicCars","version":"1.0","type":"link"}