{"product_id":"naraku-66mm-cylinder-head-for-yamaha-125cc","title":"Naraku 66mm Cylinder Head For Yamaha 125cc","description":"\u003cp\u003eUnlock the full potential of your Yamaha 125cc engine with the Naraku Racing 4-Valve Cylinder Head. This high-performance cylinder head is designed to deliver increased power and improved airflow for maximum performance. If you're looking to take your big bore kit to the next level, this is the upgrade you need.\u003c\/p\u003e\n\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe Naraku 66mm Cylinder Head is engineered for enthusiasts seeking a significant boost in engine performance. Featuring a 66mm combustion chamber, increased intake capacity, reinforced valve springs, and larger valves (25mm inlet, 23mm outlet), this cylinder head optimizes airflow and combustion efficiency. It's specifically designed for Yamaha X-MAX, WR, YZF-R 125, and other 125cc mopeds utilizing the YI-3 engine. To ensure optimal performance, it's essential to adjust the fuel jets or injection system, such as with a Malossi Force Master. This cylinder head is ideally suited for use with the Naraku big bore cylinder NK600.76, creating a potent combination for maximum power output.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures \u0026amp; highlights\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eMaximize engine performance with a 4-valve design.\u003c\/li\u003e\n  \u003cli\u003eIncreased intake capacity for improved airflow and combustion.\u003c\/li\u003e\n  \u003cli\u003eReinforced valve springs ensure reliable operation at high RPMs.\u003c\/li\u003e\n  \u003cli\u003eOversized 25mm inlet and 23mm outlet valves enhance cylinder filling.\u003c\/li\u003e\n  \u003cli\u003e66mm combustion chamber optimized for big bore applications.\u003c\/li\u003e\n  \u003cli\u003eDirect fit for Yamaha X-MAX, WR, YZF-R 125 (YI-3 engine).\u003c\/li\u003e\n  \u003cli\u003eDesigned for use with Naraku NK600.76 big bore cylinder.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eBrand: Naraku\u003c\/li\u003e\n  \u003cli\u003eCombustion chamber: 66mm\u003c\/li\u003e\n  \u003cli\u003eInlet valve size: 25mm\u003c\/li\u003e\n  \u003cli\u003eOutlet valve size: 23mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImportant to know\u003c\/h2\u003e\n\u003cp\u003eThis cylinder head requires adjustments to the fuel jets or injection system (e.g., Malossi Force Master) to ensure proper air\/fuel mixture. It is designed to work optimally with a 66mm big bore cylinder, such as the Naraku NK600.76.\u003c\/p\u003e","brand":"Naraku","offers":[{"title":"Default Title","offer_id":53644911378762,"sku":"09300218","price":506.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0016\/9546\/files\/704f0e2c5bf850eed567dc3995e511b3.webp?v=1766434530","url":"https:\/\/partsdenmark.de\/products\/naraku-66mm-cylinder-head-for-yamaha-125cc","provider":"Parts Denmark","version":"1.0","type":"link"}