{"product_id":"polini-big-bore-kit-vespa-primavera-lx-50-fly-50-p50-1100-1467","title":"Polini Big Bore Kit; 4T Vespa Primavera, LX 50, Fly 50 \u0026 P50","description":"\u003cp\u003ePolini big bore kit for four valve, 4T, 49cc Piaggio engines including modern Vespa LX 50, Primavera 50, Fly 50, and the P50 Scootcoupe vehicles. This kit increases the displacement to 78.8cc!\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAluminum alloy cylinder\u003c\/li\u003e\n\u003cli\u003eDisplacement increase: 78.8cc\u003c\/li\u003e\n\u003cli\u003eCompression ratio: 11.6:1\u003c\/li\u003e\n\u003cli\u003eGear up ratio: 14:43, 60% increase over stock 11:54\u003c\/li\u003e\n\u003cli\u003eIncludes everything in the photo\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable width=\"100%\" style=\"width: 100%;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 48.8197%;\"\u003eVespa LX 50 (2006-2009) - 4-Stroke 2-Valve\u003c\/td\u003e\n\u003ctd style=\"width: 50.9657%;\"\u003eVespa LX 50 (2010-2014) - 4-Stroke 4-Valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 48.8197%;\"\u003eVespa S 50 (2009-2014) - 4-Stroke 4-Valve\u003c\/td\u003e\n\u003ctd style=\"width: 50.9657%;\"\u003eVespa Primavera 50 4V Carb (2015-2019)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 48.8197%;\"\u003eVespa Sprint 50 4V Carb (2015-2019)\u003c\/td\u003e\n\u003ctd style=\"width: 50.9657%;\"\u003eScootcoupe P50 \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eAbout Polini:\u003c\/strong\u003e For over 50 years, Polini has stood unparalleled in the racing and tuning scene. Polini has powered both off-road and road racing legends to multiple MXGP and MotoGP world championships including the legendary Valentino Rossi. Polini sets the standard for high-end tuning and top-quality performance components.\u003c\/p\u003e","brand":"Polini","offers":[{"title":"Default Title","offer_id":46760198406424,"sku":"1100-1467","price":308.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1100-1467_6b28e493-f667-4445-8af5-20d499914367.jpg?v=1695308498","url":"https:\/\/www.scooterworks.com\/products\/polini-big-bore-kit-vespa-primavera-lx-50-fly-50-p50-1100-1467","provider":"Scooterworks USA, LLC","version":"1.0","type":"link"}