Eibach EMS Fork Spring Kit EIB904.050.1 for Yamaha YZ250F and YZ450F

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.

• Eibach EMS Springs Available in a Full Range of Rates to Fine Tune Suspension to each Rider.
• Highest Linearity and Guaranteed Consistency
• Ultra-Lightweight for Reduced Unsprung Mass
• Each Spring Individually Tested
• Made In U.S.A.

Upgrade the front suspension of your Yamaha motocross motorcycle with the Eibach EMS Fork Spring Kit, part number EIB904.050.1. Designed to help riders fine-tune suspension performance, this spring kit provides a carefully engineered balance of comfort, control, and responsiveness. Eibach EMS springs are available in a broad range of spring rates, allowing suspension settings to be matched more closely to rider preferences, riding conditions, and overall setup.

Each Eibach spring is individually tested to support consistent performance and dependable suspension behavior. High linearity helps maintain predictable force throughout the spring's operating range, while the lightweight design reduces unsprung mass for improved suspension response. The result is a front-end setup that can react more effectively to changing terrain while maintaining controlled handling during aggressive riding.

The Eibach EMS Fork Spring Kit is manufactured in the United States and engineered for precise fitment and straightforward installation. This application fits select 2014–2018 Yamaha YZ250F and YZ450F models, making it a practical suspension upgrade for riders seeking more refined front-fork performance. Verify model year and motorcycle application before installation.

• What's Included: One Eibach EMS fork spring kit.
• Fitment: 2014–2018 Yamaha YZ250F and YZ450F models as listed below.

Fitment: 2014 Yamaha YZ250F, 2014 Yamaha YZ450F, 2015 Yamaha YZ250F, 2015 Yamaha YZ450F, 2016 Yamaha YZ250F, 2016 Yamaha YZ450F, 2017 Yamaha YZ250F, 2017 Yamaha YZ450F, 2018 Yamaha YZ250F, and 2018 Yamaha YZ450F.

Features:

• Spring Rate Selection: Available in a full range of rates to help fine-tune suspension performance for each rider.
• Consistent Performance: High linearity provides predictable spring behavior throughout the suspension stroke.
• Reduced Unsprung Mass: Lightweight construction helps improve fork response and suspension control.
• Individually Tested: Every spring is tested to support dependable quality and consistent performance.
• U.S. Manufacturing: Made in the United States for reliable production quality.
• Application-Specific Fit: Designed for precise fitment on select Yamaha YZ250F and YZ450F motorcycles.
• Installation Benefit: Engineered for straightforward installation during a front suspension upgrade.
• Technical Data: Eibach EMS fork spring kit, part number EIB904.050.1, powersports application, one spring kit per package.

Fitments:
2014 Yamaha YZ250F Base
2014 Yamaha YZ450F Base
2015 Yamaha YZ250F Base
2015 Yamaha YZ450F Base
2016 Yamaha YZ250F Base
2016 Yamaha YZ450F Base
2017 Yamaha YZ250F Base
2017 Yamaha YZ450F Base
2018 Yamaha YZ250F Base
2018 Yamaha YZ450F Base
2019 Yamaha WR450F Base
2019 Yamaha YZ250F Base
2019 Yamaha YZ450F Base
2019 Yamaha YZ450FX Base
2020 Kawasaki KX250 Base
2020 Yamaha WR250F Base
2020 Yamaha WR450F Base
2020 Yamaha YZ250F Base
2020 Yamaha YZ250FX Base
2020 Yamaha YZ450F Base
2020 Yamaha YZ450FX Base
2021 Kawasaki KX250 Base
2021 Kawasaki KX250X Base
2021 Yamaha WR250F Base
2021 Yamaha WR450F Base
2021 Yamaha YZ250F Base
2021 Yamaha YZ250FX Base
2021 Yamaha YZ450F Base
2021 Yamaha YZ450FX Base
2022 Kawasaki KX250 Base
2022 Kawasaki KX250X Base
2022 Yamaha WR250F Base
2022 Yamaha WR450F Base
2022 Yamaha YZ125 Base
2022 Yamaha YZ250 Base
2022 Yamaha YZ250F Base
2022 Yamaha YZ250FX Base
2022 Yamaha YZ450F Base
2022 Yamaha YZ450FX Base
2023 Kawasaki KX250 Base
2023 Kawasaki KX250X Base
2023 Yamaha WR250F Base
2023 Yamaha YZ125 Base
2023 Yamaha YZ125X Base
2023 Yamaha YZ250 Base
2023 Yamaha YZ250F Base
2023 Yamaha YZ250FX Base
2023 Yamaha YZ450F Base
2023 Yamaha YZ450FX Base
2024 Kawasaki KX250 Base
2024 Kawasaki KX250X Base
2024 Yamaha WR250F Base
2024 Yamaha YZ125 Base
2024 Yamaha YZ125X Base
2024 Yamaha YZ250 Base
2024 Yamaha YZ250F Base
2024 Yamaha YZ250FX Base
2024 Yamaha YZ450F Base
2024 Yamaha YZ450FX Base
2025 Kawasaki KX250X Base
2025 Yamaha WR250F Base
2025 Yamaha YZ125 Base
2025 Yamaha YZ125X Base
2025 Yamaha YZ250 Base
2025 Yamaha YZ250F Base
2025 Yamaha YZ250FX Base
2025 Yamaha YZ450F Base
2025 Yamaha YZ450FX Base
2026 Kawasaki KX250X Base
2026 Yamaha WR250F Base
2026 Yamaha YZ125 Base
2026 Yamaha YZ125X Base
2026 Yamaha YZ250 Base
2026 Yamaha YZ250F Base
2026 Yamaha YZ250FX Base
2026 Yamaha YZ450F Base
2026 Yamaha YZ450FX Base

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: powersports
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: false
Units Per Sku: 1