{"product_id":"naraku-racing-cylinder-head-yamaha-cygnus-4v","title":"Naraku Racing Cylinder Head - Yamaha Cygnus 4v","description":"\u003cp\u003eUpgrade your Yamaha Cygnus or BWs 5ML engine with the Naraku Racing Cylinder Head. This high-performance cylinder head is designed to maximize airflow and combustion efficiency, delivering a significant boost in power and torque. Experience enhanced acceleration and top-end performance with this premium aftermarket upgrade.\u003c\/p\u003e\n\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe Naraku Racing Cylinder Head is specifically engineered for use with big bore cylinders on Yamaha 5ML 4-valve engines. Featuring larger, stiffer valves and upgraded valve springs, this cylinder head optimizes valve control at high RPMs, preventing valve float and ensuring consistent performance. The 23mm inlet valves and 21mm exhaust valves provide increased flow capacity, allowing your engine to breathe more freely. The optimized port design further enhances airflow and combustion efficiency. Installation is straightforward, making it a perfect upgrade for enthusiasts and professionals alike. Increase horsepower and unlock the full potential of your Yamaha engine with the Naraku Racing Cylinder Head.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures \u0026amp; highlights\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eMaximizes airflow and combustion efficiency for increased power and torque.\u003c\/li\u003e\n  \u003cli\u003eEquipped with larger, stiffer valves and upgraded valve springs for improved high-RPM performance.\u003c\/li\u003e\n  \u003cli\u003e23mm inlet and 21mm exhaust valves enhance flow capacity.\u003c\/li\u003e\n  \u003cli\u003eOptimized port design for superior airflow.\u003c\/li\u003e\n  \u003cli\u003eDesigned for Yamaha Cygnus and BWs 5ML 4-valve engines with big bore cylinders.\u003c\/li\u003e\n  \u003cli\u003eProvides noticeable improvements in acceleration and top-end speed.\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\u003eInlet Valve Diameter: 23 mm\u003c\/li\u003e\n  \u003cli\u003eExhaust Valve Diameter: 21 mm\u003c\/li\u003e\n  \u003cli\u003eInlet Connection Diameter: 27 mm\u003c\/li\u003e\n  \u003cli\u003eExhaust Connection Cross Section: 26 mm\u003c\/li\u003e\n  \u003cli\u003eEngine Code: 5ML\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImportant to know\u003c\/h2\u003e\n\u003cp\u003eThis cylinder head is designed for use with big bore cylinders and is not compatible with the original 125cc cylinders. Ensure compatibility before purchase.\u003c\/p\u003e","brand":"Naraku","offers":[{"title":"Default Title","offer_id":53644913115466,"sku":"09300223","price":1710.0,"currency_code":"PLN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0016\/9546\/files\/b9ae9eabd477adb768a40ac47981f85c.webp?v=1766434558","url":"https:\/\/partsdenmark.pl\/products\/naraku-racing-cylinder-head-yamaha-cygnus-4v","provider":"Parts Denmark","version":"1.0","type":"link"}