{"product_id":"kit-4-marcha-25t-25t-msx-sf-yuminashi","title":"4th Gear Kit 25T\/25T MSX\/SF Yuminashi","description":"\u003cp\u003e\u003cstrong\u003e4th Gear Kit 25T\/25T MSX\/SF Yuminashi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWith the 4th gear 25T\/25T sports gear set, \u003cstrong\u003eyou transform\u003c\/strong\u003e the \u003cstrong\u003eoriginal gearbox\u003c\/strong\u003e with overdrive, \u003cstrong\u003einto\u003c\/strong\u003e a \u003cstrong\u003eclose-ratio transmission\u003c\/strong\u003e with a \u003cstrong\u003e4th gear\u003c\/strong\u003e in a \u003cstrong\u003esporty\u003c\/strong\u003e ratio of \u003cstrong\u003e1:1\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eOn 125 motorcycles, you can \u003cstrong\u003einstall\u003c\/strong\u003e a \u003cstrong\u003e16-tooth\u003c\/strong\u003e front \u003cstrong\u003esprocket,\u003c\/strong\u003e which will \u003cstrong\u003elengthen\u003c\/strong\u003e the \u003cstrong\u003e1st, 2nd, and 3rd gears\u003c\/strong\u003e, and most importantly, a 4th gear that immediately gains speed for a \u003cstrong\u003ehigher top speed\u003c\/strong\u003e in \u003cstrong\u003e4th gear than in 3rd\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWith the change, you will get an \u003cstrong\u003eengine\u003c\/strong\u003e that \u003cstrong\u003ewill run\u003c\/strong\u003e at a \u003cstrong\u003elower temperature,\u003c\/strong\u003e capable of \u003cstrong\u003ewithstanding\u003c\/strong\u003e a \u003cstrong\u003ehigher\u003c\/strong\u003e \u003cstrong\u003ecompression\u003c\/strong\u003e ratio and, again, \u003cstrong\u003ewithout\u003c\/strong\u003e any \u003cstrong\u003edrop\u003c\/strong\u003e in \u003cstrong\u003eperformance\u003c\/strong\u003e when shifting from 3rd to 4th gear\u003c\/p\u003e\n\u003cp\u003eYou also get a \u003cstrong\u003esignificant reduction\u003c\/strong\u003e in engine \u003cstrong\u003eknocking\u003c\/strong\u003e (\u003cstrong\u003edetonation\u003c\/strong\u003e).\u003c\/p\u003e","brand":"Yuminashi","offers":[{"title":"Default Title","offer_id":54305602699649,"sku":"23471-K26-025S","price":65.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0860\/6223\/5959\/files\/23471-k26-025s.jpg?v=1750265977","url":"https:\/\/motoscoot.net\/en\/products\/kit-4-gear-25t-25t-msx-sf-yuminashi","provider":"Motoscoot","version":"1.0","type":"link"}