{"product_id":"polini-corsa-70cc-racing-cylinder-kit-for-yamaha-zuma-right-buddy-50","title":"Polini Corsa 70cc Racing Cylinder Kit for Yamaha Zuma, Roughhouse \u0026 Buddy 50","description":"\u003ch2\u003ePolini Corsa 70cc Cylinder Kit for Yamaha Zuma and Similar Scooters\u003c\/h2\u003e\u003cp\u003eThe Polini Corsa 70cc Racing Cylinder Kit is built to raise performance on scooters such as the Yamaha Zuma. It suits riders who want quicker throttle response and a higher RPM range. It is one of the \u003ca href=\"\/collections\/yamaha-zuma-parts\"\u003eYamaha Zuma scooter parts\u003c\/a\u003e that can lift your ride's output while still holding up for daily riding.\u003c\/p\u003e\u003ch3\u003eFactory Ported for Added Power\u003c\/h3\u003e\u003cp\u003eThe cylinder comes factory ported, which helps improve scavenging and gives more top-end power than standard kits. Its thermal-resistant cast iron body handles heat well, so it is suited to hard riding. The kit also includes chrome-plated piston rings, which lower friction and help maintain a tight seal at higher speeds.\u003c\/p\u003e\u003ch3\u003eCompatibility and Setup Notes\u003c\/h3\u003e\u003cp\u003eThis kit is made for 2-stroke engines built on the Minarelli design. Riders should raise the oil-to-fuel ratio to avoid engine trouble. For the best results, pair it with a 17.5mm or 19.1mm carburetor and a suitable mid-race expansion chamber exhaust.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplacement:\u003c\/strong\u003e 70cc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore Diameter:\u003c\/strong\u003e 47mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrist Pin Size:\u003c\/strong\u003e 10mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Cast Iron Cylinder \/ Aluminum Piston\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling:\u003c\/strong\u003e Air Cooled\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Genuine Roughhouse 50 and Genuine Buddy 50 horizontal Minarelli 50cc 2-stroke engines (10mm wrist pin)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGenuine Roughhouse 50\u003c\/li\u003e\n\u003cli\u003eGenuine Buddy 50\u003c\/li\u003e\n\u003cli\u003eGenuine Rattler 50\u003c\/li\u003e\n\u003cli\u003eGenuine Black Jack 50\u003c\/li\u003e\n\u003cli\u003eYamaha Zuma 50 (2002-2011)\u003c\/li\u003e\n\u003cli\u003eYamaha Vino 50\u003c\/li\u003e\n\u003cli\u003eYamaha Jog (horizontal)\u003c\/li\u003e\n\u003cli\u003eAprilia SR50 (pre-2000 Minarelli engine)\u003c\/li\u003e\n\u003cli\u003eMalaguti F12 Phantom\u003c\/li\u003e\n\u003cli\u003eMalaguti F15 Firefox\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Confirm that your engine is a horizontal Minarelli-based 2-stroke with a 10mm wrist pin. This kit does not work with AF05E engines (pre-1994 model years).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/yamaha-zuma-parts\"\u003eYamaha Zuma Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/genuine-buddy-parts\"\u003eGenuine Buddy 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":51134345084985,"sku":"TT-14783","price":396.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/polini-corsa-70cc-racing-cylinder-kit-for-zuma-rh-buddy-50-1.jpg?v=1794342619","url":"https:\/\/www.trendtimes.com\/products\/polini-corsa-70cc-racing-cylinder-kit-for-yamaha-zuma-right-buddy-50","provider":"Trend Times Toy Stores","version":"1.0","type":"link"}