{"product_id":"polini-contessa-72cc-big-bore-kit-for-minarelli-2t","title":"Polini Contessa 72cc Big Bore Kit for Minarelli 2T","description":"\u003ch2\u003ePolini Contessa 72cc Big Bore Kit for Minarelli 2T Scooters\u003c\/h2\u003e\u003cp\u003eThe Polini Contessa 72cc Big Bore Kit is a solid performance upgrade for 2-stroke horizontal Minarelli engines. This kit allows riders to boost their engine's displacement from 50cc to 72cc, resulting in increased power. It is designed for straightforward setup and tuning, making it a great choice for those looking to improve their ride. This product is one of the \u003ca href=\"\/collections\/minarelli-50cc-parts\"\u003eMinarelli 50cc \/ Yamaha jog scooter parts\u003c\/a\u003e that can significantly improve performance without extensive modifications.\u003c\/p\u003e\u003ch3\u003eConstruction and Features\u003c\/h3\u003e\u003cp\u003eThis big bore kit includes a cast-iron cylinder which provides durability and effective heat retention. The aluminum piston comes with two piston rings and a 10mm wrist pin with circlips, ensuring a reliable fit. The kit also includes two 6mm exhaust studs for secure assembly.\u003c\/p\u003e\u003ch3\u003ePerformance Benefits and Tuning\u003c\/h3\u003e\u003cp\u003eWith a simple design, this kit is straightforward to set up and tune, allowing for a meaningful performance increase. Riders can enjoy improved acceleration and overall responsiveness without needing complex jetting or engine modifications. It’s advisable to break in the engine by riding 200–300 miles before pushing it to full throttle for extended periods.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplacement:\u003c\/strong\u003e 72cc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Diameter:\u003c\/strong\u003e 47mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Rings:\u003c\/strong\u003e 2x 47mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrist Pin:\u003c\/strong\u003e 10mm (with circlips)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCylinder:\u003c\/strong\u003e Cast iron\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Studs:\u003c\/strong\u003e 2x M6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 7.5\" L x 6\" W x 5\" H\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eThis big bore kit is compatible with various models of scooters featuring Minarelli horizontal 2T engines, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eYamaha Zuma 50 (2T)\u003c\/li\u003e\n\u003cli\u003eYamaha BWS 50 (2T)\u003c\/li\u003e\n\u003cli\u003eYamaha Vino 50 (2T)\u003c\/li\u003e\n\u003cli\u003eYamaha Jog 50 (2T)\u003c\/li\u003e\n\u003cli\u003eGenuine Buddy 50\u003c\/li\u003e\n\u003cli\u003eGenuine RoughHouse 50\u003c\/li\u003e\n\u003cli\u003eGenuine Rattler 50\u003c\/li\u003e\n\u003cli\u003eAprilia SR (Pre-2000)\u003c\/li\u003e\n\u003cli\u003eAdly: Various models\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\/minarelli-50cc-parts\"\u003eMinarelli 50cc \/ Yamaha Jog Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-cylinder-kits\"\u003eScooter Big Bore \u0026amp; Cylinder Kits\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":52800294781159,"sku":"25-912358","price":322.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2245\/9711\/files\/polini-contessa-72cc-big-bore-kit-for-minarelli-2t-1.jpg?v=1791665232","url":"https:\/\/www.magiccars.com\/products\/polini-contessa-72cc-big-bore-kit-for-minarelli-2t","provider":"MagicCars","version":"1.0","type":"link"}