{"product_id":"muelle-de-contraste-polini-honda-sh-300i","title":"Honda SH 300 Polini clutch spring","description":"\u003cp\u003e\u003cstrong\u003e25% spring at the origin\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe hardness of the contrast spring plays \u003cstrong\u003ean important role\u003c\/strong\u003e in transmitting the engine's power to the rear wheel. \u003cbr\u003eIt exerts \u003cstrong\u003eback pressure on the rear pulleys\u003c\/strong\u003e and therefore has a considerable influence on the operation of the variator. The contrast spring is usually harder if the belt tends to slip, if the variator does not \u003cstrong\u003eoperate at the optimal RPM level\u003c\/strong\u003e, or if the engine, despite light weights, continues to run below the optimal RPM.\u003cbr\u003e What negatively affects engine performance is a twisted contrast spring.\u003c\/p\u003e","brand":"Polini Motori s.p.a.","offers":[{"title":"Default Title","offer_id":54304524468609,"sku":"243.082","price":15.88,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0860\/6223\/5959\/files\/u243.077_63b432b9-8c94-4f77-a178-e559d7064995.jpg?v=1751379279","url":"https:\/\/motoscoot.net\/en\/products\/polini-contrast-spring-honda-sh-300i","provider":"Motoscoot","version":"1.0","type":"link"}