Eibach Eib904.042.1 EMS Fork Spring Kit 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 your motorcycle suspension with the Eibach EMS Fork Spring Kit, part number Eib904.042.1. Designed for riders who want more precise suspension tuning, this spring kit helps optimize the balance between comfort, control, and performance. Eibach offers a broad range of spring rates, allowing the suspension to be matched more closely to rider weight, riding style, and terrain.

Each spring is individually tested to help ensure reliable performance and consistent spring behavior. The high-linearity design provides predictable suspension response throughout the stroke, while the lightweight construction helps reduce unsprung mass for improved suspension action. The springs are manufactured in the United States and engineered for precise fitment and straightforward installation.

• Spring Rate Selection: Available in multiple rates to help fine-tune suspension performance for individual rider requirements.
• High Linearity: Delivers predictable, consistent suspension response across the operating range.
• Lightweight Construction: Helps reduce unsprung mass for improved suspension movement and control.
• Individual Testing: Every spring is tested to support dependable quality and consistency.

Specifications and Technical Data:

• Brand: Eibach
• Part Number: Eib904.042.1
• Product Type: EMS fork spring kit
• Application: Powersports motorcycle suspension
• Material: High-performance spring steel
• Manufacturing Origin: Made in the U.S.A.
• Installation: Direct-fit suspension replacement
• Package Quantity: One fork spring kit

What's Included: One Eibach EMS Fork Spring Kit. Verify the required spring rate and motorcycle application before installation. This kit fits 2014-2018 Yamaha YZ250F models and 2014-2018 Yamaha YZ450F models, including the listed model years. Professional installation and suspension setup are recommended for best results.

Features:

• Spring rate options help fine-tune suspension performance for rider weight, riding style, and terrain.
• High-linearity design provides predictable and consistent suspension response.
• Ultra-lightweight construction helps reduce unsprung mass and improve suspension action.
• Each spring is individually tested for dependable quality and consistent performance.
• Made in the U.S.A. for reliable manufacturing quality.
• Designed for precise fitment and straightforward installation.
• Fits select 2014-2018 Yamaha YZ250F and YZ450F models.
• Supports improved suspension balance, control, comfort, and performance.

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