{"product_id":"eibach-eib904-054-1-ems-fork-spring-kit-for-yamaha-yz250f-and-yz450f","title":"Eibach EIB904.054.1 EMS Fork Spring Kit for Yamaha YZ250F and YZ450F","description":"With a range of spring rate options available, you can fine-tune your suspension to deliver the perfect balance of comfort and performance. And, with a precise fit and easy installation, you'll be back on the road in no time, enjoying the benefits of your upgraded suspension.\n\u003cul\u003e\n  \u003cli\u003eEibach EMS Springs Available in a Full Range of Rates to Fine Tune Suspension to each Rider.\u003c\/li\u003e\n  \u003cli\u003eHighest Linearity and Guaranteed Consistency\u003c\/li\u003e\n  \u003cli\u003eUltra-Lightweight for Reduced Unsprung Mass\u003c\/li\u003e\n  \u003cli\u003eEach Spring Individually Tested\u003c\/li\u003e\n  \u003cli\u003eMade In U.S.A.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade your motorcycle suspension with the Eibach EMS Fork Spring Kit, designed to help riders fine-tune front-end performance for improved control, comfort, and consistency. This kit offers a carefully engineered spring rate solution for select Yamaha motocross models, helping optimize suspension response based on rider preference and riding conditions.\u003c\/p\u003e\u003cp\u003eEibach EMS springs are manufactured with a focus on linear performance and repeatable quality. Each spring is individually tested to help ensure consistent operation, while the lightweight construction reduces unsprung mass for responsive suspension action. The precision fit supports straightforward installation and dependable integration with the original fork assembly.\u003c\/p\u003e\u003cp\u003eThe Eibach EIB904.054.1 spring kit fits select 2014–2018 Yamaha YZ250F and YZ450F models. It is made in the USA and is intended for powersports suspension applications. Verify model year and motorcycle configuration before installation. Professional suspension setup may be recommended to match the spring rate to rider weight, riding style, and terrain.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOne Eibach EMS fork spring kit\u003c\/li\u003e\n\u003cli\u003eInstallation-ready suspension spring components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits 2014–2018 Yamaha YZ250F and Yamaha YZ450F models, including 2014, 2015, 2016, 2017, and 2018 applications where specified. Confirm exact fitment before purchase.\u003c\/p\u003e\u003ch3\u003eKey Product Specifications and Technical Data\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBrand: Eibach\u003c\/li\u003e\n\u003cli\u003ePart Number: EIB904.054.1\u003c\/li\u003e\n\u003cli\u003eProduct Type: EMS fork spring kit\u003c\/li\u003e\n\u003cli\u003eApplication: Powersports motorcycle suspension\u003c\/li\u003e\n\u003cli\u003eSpring Design: Linear-rate suspension spring\u003c\/li\u003e\n\u003cli\u003eConstruction: Lightweight performance design\u003c\/li\u003e\n\u003cli\u003eManufacturing Origin: Made in the USA\u003c\/li\u003e\n\u003cli\u003eInstallation: Direct-fit suspension component for compatible applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFull range of available spring rates helps riders fine-tune suspension performance to suit individual needs.\u003c\/li\u003e\n\u003cli\u003eHigh linearity promotes predictable suspension response and consistent handling.\u003c\/li\u003e\n\u003cli\u003eLightweight construction helps reduce unsprung mass for improved suspension reaction.\u003c\/li\u003e\n\u003cli\u003eEach spring is individually tested to support dependable quality and repeatable performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitments:\u003cbr\u003e\n2014 Yamaha YZ250F Base\u003cbr\u003e\n2014 Yamaha YZ450F Base\u003cbr\u003e\n2015 Yamaha YZ250F Base\u003cbr\u003e\n2015 Yamaha YZ450F Base\u003cbr\u003e\n2016 Yamaha YZ250F Base\u003cbr\u003e\n2016 Yamaha YZ450F Base\u003cbr\u003e\n2017 Yamaha YZ250F Base\u003cbr\u003e\n2017 Yamaha YZ450F Base\u003cbr\u003e\n2018 Yamaha YZ250F Base\u003cbr\u003e\n2018 Yamaha YZ450F Base\u003cbr\u003e\n2019 Yamaha WR450F Base\u003cbr\u003e\n2019 Yamaha YZ250F Base\u003cbr\u003e\n2019 Yamaha YZ450F Base\u003cbr\u003e\n2019 Yamaha YZ450FX Base\u003cbr\u003e\n2020 Kawasaki KX250 Base\u003cbr\u003e\n2020 Yamaha WR250F Base\u003cbr\u003e\n2020 Yamaha WR450F Base\u003cbr\u003e\n2020 Yamaha YZ250F Base\u003cbr\u003e\n2020 Yamaha YZ250FX Base\u003cbr\u003e\n2020 Yamaha YZ450F Base\u003cbr\u003e\n2020 Yamaha YZ450FX Base\u003cbr\u003e\n2021 Kawasaki KX250 Base\u003cbr\u003e\n2021 Kawasaki KX250X Base\u003cbr\u003e\n2021 Yamaha WR250F Base\u003cbr\u003e\n2021 Yamaha WR450F Base\u003cbr\u003e\n2021 Yamaha YZ250F Base\u003cbr\u003e\n2021 Yamaha YZ250FX Base\u003cbr\u003e\n2021 Yamaha YZ450F Base\u003cbr\u003e\n2021 Yamaha YZ450FX Base\u003cbr\u003e\n2022 Kawasaki KX250 Base\u003cbr\u003e\n2022 Kawasaki KX250X Base\u003cbr\u003e\n2022 Yamaha WR250F Base\u003cbr\u003e\n2022 Yamaha WR450F Base\u003cbr\u003e\n2022 Yamaha YZ125 Base\u003cbr\u003e\n2022 Yamaha YZ250 Base\u003cbr\u003e\n2022 Yamaha YZ250F Base\u003cbr\u003e\n2022 Yamaha YZ250FX Base\u003cbr\u003e\n2022 Yamaha YZ450F Base\u003cbr\u003e\n2022 Yamaha YZ450FX Base\u003cbr\u003e\n2023 Kawasaki KX250 Base\u003cbr\u003e\n2023 Kawasaki KX250X Base\u003cbr\u003e\n2023 Yamaha WR250F Base\u003cbr\u003e\n2023 Yamaha YZ125 Base\u003cbr\u003e\n2023 Yamaha YZ125X Base\u003cbr\u003e\n2023 Yamaha YZ250 Base\u003cbr\u003e\n2023 Yamaha YZ250F Base\u003cbr\u003e\n2023 Yamaha YZ250FX Base\u003cbr\u003e\n2023 Yamaha YZ450F Base\u003cbr\u003e\n2023 Yamaha YZ450FX Base\u003cbr\u003e\n2024 Kawasaki KX250 Base\u003cbr\u003e\n2024 Kawasaki KX250X Base\u003cbr\u003e\n2024 Yamaha WR250F Base\u003cbr\u003e\n2024 Yamaha YZ125 Base\u003cbr\u003e\n2024 Yamaha YZ125X Base\u003cbr\u003e\n2024 Yamaha YZ250 Base\u003cbr\u003e\n2024 Yamaha YZ250F Base\u003cbr\u003e\n2024 Yamaha YZ250FX Base\u003cbr\u003e\n2024 Yamaha YZ450F Base\u003cbr\u003e\n2024 Yamaha YZ450FX Base\u003cbr\u003e\n2025 Kawasaki KX250X Base\u003cbr\u003e\n2025 Yamaha WR250F Base\u003cbr\u003e\n2025 Yamaha YZ125 Base\u003cbr\u003e\n2025 Yamaha YZ125X Base\u003cbr\u003e\n2025 Yamaha YZ250 Base\u003cbr\u003e\n2025 Yamaha YZ250F Base\u003cbr\u003e\n2025 Yamaha YZ250FX Base\u003cbr\u003e\n2025 Yamaha YZ450F Base\u003cbr\u003e\n2025 Yamaha YZ450FX Base\u003cbr\u003e\n2026 Kawasaki KX250X Base\u003cbr\u003e\n2026 Yamaha WR250F Base\u003cbr\u003e\n2026 Yamaha YZ125 Base\u003cbr\u003e\n2026 Yamaha YZ125X Base\u003cbr\u003e\n2026 Yamaha YZ250 Base\u003cbr\u003e\n2026 Yamaha YZ250F Base\u003cbr\u003e\n2026 Yamaha YZ250FX Base\u003cbr\u003e\n2026 Yamaha YZ450F Base\u003cbr\u003e\n2026 Yamaha YZ450FX Base\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; 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