{"product_id":"cylinder-works-yamaha-yz125-2005-2014-cylinder-head-kit-part-ch2005-k01","title":"CYLINDER WORKS Yamaha YZ125 2005-2014 Cylinder Head Kit - Part #CH2005-K01","description":"\u003cp\u003eUpgrade your Yamaha YZ125 with the Cylinder Works Cylinder Head Kit designed for models from 2005 to 2014. Crafted with precision, this replacement cylinder head features a new design that enhances performance and durability. The kit includes cam caps and cam cap bolts for straightforward installation, ensuring a secure fit. It also comes equipped with C630 valve seats and guides made from nickel, aluminum, and bronze, which provide excellent wear resistance and thermal stability. The competition valve job improves airflow and combustion efficiency, helping your bike achieve optimal power output. Shortened valve guides are included to accommodate higher lift cams, enabling more aggressive valve profiles for increased performance. The unshrouded combustion chamber and blended bowl design promote better airflow, while the stock-shaped ports maintain familiar flow characteristics for reliable operation. Please note, this kit does not include valves, springs, or lifters, allowing you to customize your setup based on your specific riding needs. This Cylinder Head Kit is a vital upgrade for riders seeking to maximize their Yamaha YZ125's performance with a reliable, professionally engineered component designed for racing and high-performance use.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eNew replacement cylinder head for Yamaha YZ125 (2005-2014)\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes cam caps and cam cap bolts for easy installation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eC630 valve seats and guides made from nickel, aluminum, and bronze for durability\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCompetition valve job to boost airflow and combustion efficiency\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eShortened valve guides to support higher lift cams\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eUnshrouded combustion chamber for improved airflow\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eBlended bowl design enhances combustion and flow\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eStock-shaped ports for reliable airflow characteristics\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\nFits,\u003cbr\u003e\nYamaha YZ125 2005\u003cbr\u003e\nYamaha YZ125 2006\u003cbr\u003e\nYamaha YZ125 2007\u003cbr\u003e\nYamaha YZ125 2008\u003cbr\u003e\nYamaha YZ125 2009\u003cbr\u003e\nYamaha YZ125 2010\u003cbr\u003e\nYamaha YZ125 2011\u003cbr\u003e\nYamaha YZ125 2012\u003cbr\u003e\nYamaha YZ125 2013\u003cbr\u003e\nYamaha YZ125 2014\u003cbr\u003e\nYamaha YZ125 2015\u003cbr\u003e\nYamaha YZ125 2016\u003cbr\u003e\nYamaha YZ125 2017\u003cbr\u003e\nYamaha YZ125 2018\u003cbr\u003e\nYamaha YZ125 2019\u003cbr\u003e\nYamaha YZ125 2020\u003cbr\u003e\nYamaha YZ125 2021","brand":"CYLINDER WORKS","offers":[{"title":"Default Title","offer_id":54032699916483,"sku":"422-2005HD","price":145.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/6052\/2435\/files\/6a9e-60ac0210deecc.png?v=1781433987","url":"https:\/\/kellymotorsport.com\/products\/cylinder-works-yamaha-yz125-2005-2014-cylinder-head-kit-part-ch2005-k01","provider":"Kelly Motorsports","version":"1.0","type":"link"}