{"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 offers a practical power upgrade for horizontal Minarelli 2-stroke engines. It raises engine displacement from 50cc to 72cc, which adds power. The kit is built for simple installation and tuning, so it suits riders who want a better ride. It is one of the \u003ca href=\"\/collections\/minarelli-50cc-parts\"\u003eMinarelli 50cc \/ Yamaha Jog scooter parts\u003c\/a\u003e that can boost performance without a lot of extra work.\u003c\/p\u003e\u003ch3\u003eBuild and Components\u003c\/h3\u003e\u003cp\u003eThe kit uses a cast-iron cylinder, which offers long wear life and good heat retention. Its aluminum piston ships with two piston rings and a 10mm wrist pin with circlips for a dependable fit. Two 6mm exhaust studs are included for a firm mount.\u003c\/p\u003e\u003ch3\u003ePerformance and Tuning Notes\u003c\/h3\u003e\u003cp\u003eThe design is uncomplicated, so setup and tuning are fairly direct, and the kit delivers a noticeable gain in output. You can expect quicker acceleration and better response without complicated jetting or further engine changes. Before running the engine at full throttle for long periods, ride it for 200–300 miles to break it in.\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\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Minarelli horizontal 2T engines: Yamaha Zuma, BWS, Vino, Jog 50 and Buddy, RoughHouse, Rattler 50\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eFits:\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\u003eBuddy 50\u003c\/li\u003e\n\u003cli\u003eRoughHouse 50\u003c\/li\u003e\n\u003cli\u003eRattler 50\u003c\/li\u003e\n\u003cli\u003eAprilia SR (pre-2000)\u003c\/li\u003e\n\u003cli\u003eAdly (various models)\u003c\/li\u003e\n\u003cli\u003eUniversal (Minarelli horizontal 2T engines)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Confirm that your engine is a 2-stroke Minarelli horizontal unit with a 47mm bore, which is the size this kit is designed for. The stock 50cc engine is the starting point that this kit enlarges to 72cc.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBrowse 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":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51138186838073,"sku":"TT-24707","price":321.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/polini-contessa-72cc-big-bore-kit-for-minarelli-2t-1.jpg?v=1794372568","url":"https:\/\/www.trendtimes.com\/products\/polini-contessa-72cc-big-bore-kit-for-minarelli-2t","provider":"Trend Times Toy Stores","version":"1.0","type":"link"}