1998‑2002 Yamaha YZ250F YZ400F YZ426F complete seat 5SF‑24710‑00‑00 – Full Review & Fitment Guide

The 1998‑2002 Yamaha YZ250F YZ400F YZ426F complete seat 5SF‑24710‑00‑00 is an essential replacement part designed specifically for older Yamaha motocross bikes. Riders restoring or maintaining classic YZ models need a seat that matches OEM specifications for durability, comfort, and perfect fit. In this comprehensive review, we cover compatibility details, construction features, installation guidance, comparisons with similar seats, and why this seat remains a top choice for Yamaha enthusiasts.

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Product Overview – What Is the 1998‑2002 Yamaha YZ250F YZ400F YZ426F complete seat 5SF‑24710‑00‑00?

The 1998‑2002 Yamaha YZ250F YZ400F YZ426F complete seat 5SF‑24710‑00‑00 is a direct OEM replacement seat manufactured to match the original design specifications used on Yamaha YZ motocross bikes from 1998 to 2002. This complete seat includes seat foam, cover, and base — all engineered for long‑lasting performance on trail and track. Whether you’re restoring a vintage YZ or replacing a worn‑out saddle, this seat provides the comfort, grip, and reliability riders expect from Yamaha parts.

Key Features & Specifications

OEM‑Grade Construction

The 1998‑2002 Yamaha YZ250F YZ400F YZ426F complete seat 5SF‑24710‑00‑00 is built with high‑quality materials that match the original factory seat. The foam density is tuned for motocross demands, providing support during hard accelerations and jumps.

Perfect Fitment

Designed explicitly for the YZ250F (1998‑2002), YZ400F (1998‑2002), and YZ426F (2000‑2002) models, this seat aligns precisely with the stock seat frame and mounting points. Riders don’t need to modify any components before installation.

Durable Cover Material

The seat cover on the 1998‑2002 Yamaha YZ250F YZ400F YZ426F complete seat 5SF‑24710‑00‑00 resists abrasion and tearing, even in aggressive riding conditions. The texture also offers excellent grip between the rider and bike, improving control in corners and rough terrain.

Exact OEM Part Number

This seat carries the Yamaha OEM part number 5SF‑24710‑00‑00, ensuring authenticity and compatibility. For owners restoring their bikes to original specifications, this precision‑matched part is a valuable asset.

Performance & Riding Benefits

Comfort for Extended Sessions

The 1998‑2002 Yamaha YZ250F YZ400F YZ426F complete seat 5SF‑24710‑00‑00 uses foam that balances softness and support. While motocross seats are inherently firm compared to street bikes, this complete seat helps reduce fatigue during long rides or back‑to‑back laps.

Improved Grip

The seat cover’s textured surface offers grip that helps riders stay stable during aggressive riding. Whether cutting berms or launching over jumps, the 1998‑2002 Yamaha YZ250F YZ400F YZ426F complete seat 5SF‑24710‑00‑00 gives confident traction where it matters most.

Authentic Yamaha Feel

Because this seat is an OEM replacement, riders experience the same feel and contour as the original equipment. This consistency is important when maintaining the bike’s handling and ergonomics.

Installation & Fitment Guide

The 1998‑2002 Yamaha YZ250F YZ400F YZ426F complete seat 5SF‑24710‑00‑00 installs using the factory mounting points and hardware. Installation requires minimal tools and mechanical experience:

Remove the old seat by loosening the rear bolt and sliding off.
Align the new seat with the seat frame.
Tighten the mounting bolt to manufacturer torque specifications.
Check that the seat is secure and stable before riding.

Comparing with Related Seats

Aftermarket Gel Seat Covers

Some riders upgrade with aftermarket gel seat covers for added comfort. While gel covers improve cushioning, they often don’t match the exact contour and fit of the 1998‑2002 Yamaha YZ250F YZ400F YZ426F complete seat 5SF‑24710‑00‑00. An OEM seat provides precise fitting and consistent performance.

Seat Foam Replacement Only

Replacing just the foam can be cheaper, but it often means reusing a worn seat cover. In contrast, the 1998‑2002 Yamaha YZ250F YZ400F YZ426F complete seat 5SF‑24710‑00‑00 offers a full rebuild with foam and cover, ensuring long‑lasting result and improved longevity.

Universal Motocross Seats

Universal seats can fit many bikes but lack the specific mounting design and contour optimized for Yamaha YZ models. The OEM 1998‑2002 Yamaha YZ250F YZ400F YZ426F complete seat 5SF‑24710‑00‑00 ensures perfect fitment and avoids modification hassles.

Pros & Cons – Balanced Evaluation

Pros

Exact OEM part for Yamaha YZ250F, YZ400F, YZ426F from 1998 to 2002
Includes seat foam, cover, and base
Durability and grip for motocross use
Maintains original bike ergonomics and handling

Cons

Specific to 1998‑2002 YZ models (not compatible with newer YZ bikes)
Firmer feel than luxury aftermarket seats

Who Should Buy the 1998‑2002 Yamaha YZ250F YZ400F YZ426F complete seat 5SF‑24710‑00‑00?

This complete seat is ideal for:

Riders restoring classic Yamaha YZ motocross bikes
Owners needing a genuine OEM fit and finish
Motocross racers who want a seat that matches original handling
Enthusiasts maintaining authenticity in vintage off‑road bikes

Final Summary

For anyone owning a YZ250F, YZ400F, or YZ426F from 1998 to 2002, the 1998‑2002 Yamaha YZ250F YZ400F YZ426F complete seat 5SF‑24710‑00‑00 is a top‑quality replacement that delivers comfort, durability, and perfect OEM fitment. Whether restoring a project bike or replacing aged components, this seat preserves your Yamaha’s performance and heritage.

1998-2002 Yamaha YZ250F YZ400F YZ426F complete seat 5SF-24710-00-00