{"product_id":"caixa-de-lamelas-yamaha-yz-85-vforce4r","title":"Yamaha YZ 85 VFORCE4R Reed Valve System","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eThe unique design of the VForce4R reed valve system for Yamaha YZ 85 features double the reed valve area of conventional reed valves. This has two advantages:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-mce-fragment=\"1\"\u003eThe reeds only open half the distance of conventional reeds to achieve the same flow.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eBy only opening halfway, there's a better chance of them being fully open and a better chance of sealing completely. By only opening halfway, they last longer as they don't experience as much pressure as conventional reeds opening as wide.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eImprovements with VForce4:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNew resin, carbon fiber and lay-up reed system\u003c\/li\u003e\n\u003cli\u003ePre-curved reed ensures better sealing at the tip\u003c\/li\u003e\n\u003cli\u003eWider reed cage for maximum mixture flow\u003c\/li\u003e\n\u003cli\u003eReed tip area increased by 10.5% resulting in increased total mixture flow\u003c\/li\u003e\n\u003cli\u003eAirfoil shape added to the tip of the cage to increase air speed to external ports\u003c\/li\u003e\n\u003cli\u003eLonger reed stops to progressively decrease the speed of the reed tip movement, for increased durability.\u003c\/li\u003e\n\u003cli\u003eReduced central wing front area by 15.6% combined with a more aerodynamic shape.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eNew VForce4R features:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-mce-fragment=\"1\"\u003eRubber over-mould on the reed tip surface to further improve petal life.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003ePre-curved reed ensures a better seal at the tip.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eATTENTION\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e: This product is not a direct fit for the Yamaha DT LC 50. You will need to use, for example, an Athena 115cc cylinder or open the cylinder's intake.\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"tags_desc\"\u003e\u003cdiv field=\"Compatibilidade\"\u003e\n\u003cstrong\u003eCompatibility\u003c\/strong\u003e motocross_yamaha_yz_85_2002, motocross_yamaha_yz_85_2003, motocross_yamaha_yz_85_2004, motocross_yamaha_yz_85_2005, motocross_yamaha_yz_85_2006, motocross_yamaha_yz_85_2007, motocross_yamaha_yz_85_2008, motocross_yamaha_yz_85_2009, motocross_yamaha_yz_85_2010, motocross_yamaha_yz_85_2011, motocross_yamaha_yz_85_2012, motocross_yamaha_yz_85_2013, motocross_yamaha_yz_85_2014, motocross_yamaha_yz_85_2015, motocross_yamaha_yz_85_2016, motocross_yamaha_yz_85_2017, motocross_yamaha_yz_85_2018, motocross_yamaha_yz_85_2019, motocross_yamaha_yz_85_2020, motocross_yamaha_yz_85_2021, motocross_yamaha_yz_85_2022, motocross_yamaha_yz_85_2023, motocross_yamaha_yz_85_2024, 50cc_yamaha_dt50lc_1996, 50cc_yamaha_dt50lc_1997, 50cc_yamaha_dt50lc_1998, 50cc_yamaha_dt50lc_1999, 50cc_yamaha_dt50lc_2000, 50cc_yamaha_dt50lcd_1998, 50cc_yamaha_dt50lcd_1999, 50cc_yamaha_dt50lcd_2000, 50cc_yamaha_dt50lcd_2001, 50cc_yamaha_dt50lcd_2002\u003c\/div\u003e\u003c\/div\u003e","brand":"VFORCE","offers":[{"title":"Default Title","offer_id":46892627788104,"sku":"V4R82A-I","price":189.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0649\/0449\/5321\/products\/V4R82A-I.jpg?v=1731440974","url":"https:\/\/megamotopecas.com\/en\/products\/caixa-de-lamelas-yamaha-yz-85-vforce4r","provider":"Mega Moto Peças - Armazém de Peças e Acessórios","version":"1.0","type":"link"}