{"product_id":"sym-42mm-performance-cylinder-kit","title":"SYM 42mm Performance Cylinder Kit","description":"\u003ch2\u003e42mm Cylinder Kit for SYM and Peugeot Models\u003c\/h2\u003e\u003cp\u003eThis 42mm performance cylinder kit is made for 50cc 4-stroke scooters from SYM and Peugeot. Everything needed for fitting comes in the box, including the cylinder, piston, rings, and assorted gaskets. It belongs to our \u003ca href=\"\/collections\/scooter-cylinder-kits\"\u003erange of scooter big bore and cylinder kits\u003c\/a\u003e, and it raises engine displacement to 63.7cc without any crankcase work. It suits riders who want more power while keeping the original factory setup.\u003c\/p\u003e\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\u003cp\u003eThe kit supplies the main parts needed for a simple fitting: a cylinder, piston, piston rings, a piston pin, circlips, and every gasket required, namely the head, base, and exhaust gaskets. With these items you can swap out and upgrade the cylinder without hunting for extra pieces.\u003c\/p\u003e\u003ch3\u003eFitting Notes\u003c\/h3\u003e\u003cp\u003eNo changes to the crankcase are needed, so this is a drop-in kit. It is built around the factory stroke of 46mm, and the bore increase to 42mm is what delivers the extra performance. It is a good option for riders who want an upgrade without major mechanical work.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCylinder Bore:\u003c\/strong\u003e 42mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCylinder Sleeve Outer Diameter:\u003c\/strong\u003e 45.7mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrist Pin Diameter:\u003c\/strong\u003e 10mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Piston Height:\u003c\/strong\u003e 33mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e SYM 50cc 4-stroke scooters (Mio, Fiddle II, Orbit II, Jet4, Allo, Cello, Symphony), Lance 50cc models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible Models\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSYM Mio 50\u003c\/li\u003e\n\u003cli\u003eSYM Fiddle II 50\u003c\/li\u003e\n\u003cli\u003eSYM Orbit II 50\u003c\/li\u003e\n\u003cli\u003eSYM Jet4\u003c\/li\u003e\n\u003cli\u003eSYM Allo 50\u003c\/li\u003e\n\u003cli\u003eSYM Cello 50\u003c\/li\u003e\n\u003cli\u003eSYM Symphony 50\u003c\/li\u003e\n\u003cli\u003eLance Cabo 50\u003c\/li\u003e\n\u003cli\u003eLance Cali 50\u003c\/li\u003e\n\u003cli\u003eLance Havana 50\u003c\/li\u003e\n\u003cli\u003eLance PCH 50\u003c\/li\u003e\n\u003cli\u003eLance Soho 50\u003c\/li\u003e\n\u003cli\u003ePeugeot Vivacity\u003c\/li\u003e\n\u003cli\u003ePeugeot Speedfight 3\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e This kit is meant for a 4-stroke engine with a stock stroke of 46mm, since that stroke is what produces the 63.7cc displacement.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\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":51135853985849,"sku":"TT-16562","price":191.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/42mm-performance-cylinder-kit-for-sym-1.webp?v=1794349893","url":"https:\/\/www.trendtimes.com\/products\/sym-42mm-performance-cylinder-kit","provider":"Trend Times Toy Stores","version":"1.0","type":"link"}