{"product_id":"cilindro-polini-bigevolution-d-57mm-carrera-52-8-vespa-125cc","title":"Cylinder Polini Big Evolution 130cc Vespa Primavera 125 2T stroke 52mm","description":"\u003cp\u003eCompetition cylinder kit designed for the Italian championship, nicasil-coated aluminum cylinder with direct intake that houses a large 0.4mm carbon reed valve with 6 petals, cylinder head with additional cooling fins, 57mm bore, 52.8mm stroke.\u003c\/p\u003e\n\u003cp\u003eIt is installed with the 210.0034 crankshaft and 102mm connecting rod (specially designed for this cylinder), 280.0031 bearings and 285.0111 seals; achieving a displacement of \u003cstrong\u003e135cc, 6 transfer ports and bridged exhaust port\u003c\/strong\u003e, piston coated with a layer of molybdenum disulfide with a 1.5mm chrome ring, compression ratio of 13.5:1. The kit includes the reed valve, the intake manifold, and mounting accessories.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003ePolini Evolution 2 P200.0291 exhaust\u003c\/strong\u003e is recommended.\u003c\/p\u003e","brand":"Polini Motori s.p.a.","offers":[{"title":"Default Title","offer_id":54304702792065,"sku":"140.0212","price":427.49,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0860\/6223\/5959\/files\/p140.0212.jpg?v=1751380133","url":"https:\/\/motoscoot.net\/en\/products\/polini-cylinder-bigevolution-d-57mm-stroke-52-8-vespa-125cc","provider":"Motoscoot","version":"1.0","type":"link"}