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Yamaha Front Fork Seal Kit YZ125 1998-2003 OEM 5ET-W003B-00-00

Yamaha Front Fork Seal Kit YZ125 1998-2003 OEM 5ET-W003B-00-00

Regular price $72.44 USD
Regular price Sale price $72.44 USD
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Genuine OEM Yamaha Front Fork Seal & Bushing Kit 5ET-W003B-00-00 KYB Rebuild 8pc
Keep your suspension performing at its best with this Genuine Yamaha OEM Front Fork Seal Kit (Part # 5ET-W003B-00-00). This complete 8-piece factory rebuild kit features original KYB components designed to refresh both front forks simultaneously.
Unlike cheap aftermarket seals that leak prematurely or increase stiction, genuine factory parts guarantee a perfect fit, superior oil retention, and reduced friction drag for smooth suspension travel.

📌 Product Specifications
  • Brand: Yamaha OEM (Original Equipment Manufacturer)
  • Part Number: 5ET-W003B-00-00 (Supersedes older variants)
  • Component Manufacturer: KYB (Kayaba)
  • Condition: Brand New in Original Packaging
  • Placement on Vehicle: Front Suspension (Left & Right Forks)

📦 What’s Included in the Box (Complete 8-Piece Kit)
This comprehensive kit includes everything required to completely overhaul two front forks:
  • (2) OEM Oil Seals – High-durability rubber prevents oil weeping.
  • (2) OEM Dust Seals – Keeps dirt, mud, and water out of your fork sliders.
  • (2) OEM Metal Slides (Upper Bushings) – Reduces friction and keeps the inner fork tube true.
  • (2) OEM Piston Slides (Lower Bushings) – Restores factory tolerances for precise handling.

🏍️ Fitment & Vehicle Compatibility
This kit fits a wide range of Yamaha YZ motocross and WR off-road/dual-sport models equipped with factory KYB forks. Please verify your exact year below:
Yamaha YZ (Motocross Models)
  • Yamaha YZ125 (1998, 1999, 2000, 2001, 2002, 2003)
  • Yamaha YZ250 (1998, 1999, 2000, 2001, 2002, 2003)
  • Yamaha YZ250F (2001, 2002, 2003)
  • Yamaha YZ400F (1998, 1999)
  • Yamaha YZ426F (2000, 2001, 2002)
  • Yamaha YZ450F (2003)
Yamaha WR / Dual-Sport (Off-Road Models)
  • Yamaha WR250F (2001, 2002, 2003, 2004)
  • Yamaha WR250R (2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020)
  • Yamaha WR250X (2008, 2009, 2010, 2011)
  • Yamaha WR400F (1998, 1999, 2000)
  • Yamaha WR426F (2001, 2002)
  • Yamaha WR450F (2003, 2004)
Note: Please double-check your owner’s manual or part diagram to ensure compatibility with your specific VIN configuration before purchasing.

Thank you for shopping with us!


You will only receive items shown in the pictures. Any hardware or extra items that are not shown in the photos are not included with the listing. 


Return Policy

Before making a purchase, please review all product images, descriptions, and fitments carefully to ensure the item meets your needs and expectations. If you have any questions or need additional verification, please reach out to us - our team will be happy to assist you. Please, examine and verify the condition of items when received. Buyer assumes all liability once items are used or installed.

  • 30-Day Return Policy: We offer a 30-day return window for items that are listed or shipped incorrectly, at no charge.

  • Return Conditions: Returned items must be in their original, undamaged packaging. We cannot accept returns for items that are damaged, modified (including writing or marks), missing parts or have been used/installed. 

  • Damaged or Missing Items: All shipments are protected by insurance. If your item(s) are received in damaged packaging, there are steps as the customer, you are responsible for in order for the reimbursement/replacement process to be fulfilled. The proper steps to take for damaged packages are below.

  • Return Policy: Buyer pays for the return shipping. If you use an eBay shipping label, it will be deducted from your refund amount. 

Shipping Policy

  • Please note: Orders are processed and shipped Monday through Friday, excluding holidays. Orders placed on weekends will be processed and shipped on the next business day. Tracking information will be emailed and in the eBay sale.

  • International Shipments: International orders are processed through eBay’s Global Shipping Program. Once your purchase is completed, the items are shipped to the eBay International facility. When the items leave this facility, the tracking, escalation, and customer service process is handled by eBay directly. Please, reach out to them if there are issues with shipping or Customs. 

  • Combined Shipping: We make every effort to combine multiple purchases into one shipment to reduce costs when possible. However, large, heavy, or fragile items may not be eligible for combined shipping due to the risk of damage. Certain countries may also restrict oversized item shipping. Please contact us for more information.

Damaged Shipments

All our shipments are protected by insurance. If your item arrives in damaged packaging, please follow these steps to ensure a smooth replacement or reimbursement process:

  1. Report the Damage: Notify the shipping company directly (UPS, FedEx, USPS, etc.).

  2. Document the Condition: Take clear photos of the damaged packaging and keep all original materials.

  3. Follow Carrier Instructions: Complete the claim process as required by the shipping provider.

If you have any concerns with your order, please reach out to us directly. We truly value your business and will do everything we can to resolve any issues quickly and professionally.


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