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Description
Wiseco Yamaha YZ400 98-99/WR400F 98-00 13.51 Piston kitThe Wiseco team has remained at the forefront of powersports performance through every era and evolution, including the development of high performance 4 strokes. Today, Wiseco's forged 4 stroke pistons are designed for each specific engine application and built to the tightest tolerances for the ultimate combination of performance and strength. Proven at every level of riding, Wiseco 4 stroke pistons are ready to deliver the power and reliability
The Wiseco team has remained at the forefront of powersports performance through every era and evolution, including the development of high-performance 4-strokes. Today, Wiseco's forged 4-stroke pistons are designed for each specific engine application and built to the tightest tolerances for the ultimate combination of performance and strength. Proven at every level of riding, Wiseco 4-stroke pistons are ready to deliver the power and reliability you're looking for.
- Complete Package: Each piston includes a wrist pin, rings, and circlips, providing everything needed for installation
- Forged Material: Optimizes strength and service life, ensuring durability under high-stress conditions
- Performance-Enhancing Features: Varied across applications to maximize both durability and power
- Improved tensile strength of forged material optimizes strength and service life
- Designed and built for each specific 4-stroke powersports engine
- Dedicated forgings allow for optimized strength-to-weight ratio
- Includes high-quality piston rings, wrist pin(s), and circlips
- Engineered, forged, and machined in the USA in Mentor, OH
- 94.00 mm Bore, 13.5:1 CR
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1998-2000 | Yamaha | WR400F | Base |
| 1998-1999 | Yamaha | YZ400F | Base |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
Windows OS only, Software Sketchy but works. Use with precautions and do a security scan afterwards.
Ok, I was really annoyed when I found out this waste ink pad causes the printer to be "end of life."
I currently have the ET2800, and after 15,500 pages, I got this message. I own a small stationery business, which is why I print a lot.
However, I used to work on large multi-function printers that had user-replaceable waste ink cartridges.
I called Epson in hopes that they would just send me the part and be done with it. BUT NOPE, they wanted me to send in pictures, then I had to either send the printer in or get a certified technician to work on it.
I looked online and found this, along with several videos on how a regular user can replace it themselves. It was easy, with no issues. You do need to physically plug the printer into your computer. OH, and the SOFTWARE is only compatible ON WINDOWS; it does not work on MAC OS and GOOGLE OS. Just FYI.
The only problem I had was that the software, which is usually offered by third-party products from Amazon, has a sketchy website attached to it. BUT this was the best one to use because you DO NOT NEED A KEY to reset the waste ink counter. You simply use their application, and that's it.
One tip I suggest is to uninstall or delete the application and its folder after you have finished resetting. Also, empty your recycle bin. Then run a quick Windows security scan.
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Reviewed in the United States on November 25, 2025
★★★★★ 5
Reset Software for Ecotank ET-4800
Excellent. Worked like a charm!
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Great Product - highly recommend
Worked great fixed problem….wonderful instructions easy to follow
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Reviewed in the United States on April 28, 2026
★★★★★ 5
Might Need to Turn Off Security Measures in Order to Download
I'm a 1st grade teacher and use my ET-2800 religiously. We own 4 of them, between home, my husband's and my classroom, and one for sublimation. I've printed over 15,000 copies on my school printer in the last few years and had no idea about the ink pad replacement until the error message popped up and wouldn't work anymore.
I originally purchased a different set and couldn't get it to work. I was in panic mode so I ordered this set, which also originally didn't work.
After really paying attention to the alerts that were popping up, I finally had to Google how to turn off my McAfee and Windows Security programs. They were blocking it from running.
Once I did that, it was able to install and it is back up and running again. It did make me very nervous to turn them off but as soon as I got it installed, I turned them right back on and ran scans. So far I haven't had any issues in the last few days.
The installation is extremely easy, it came with gloves, a screw driver, etc. Mine wasn't messy, so I didn't need the gloves or anything. It's also a 3-pack, so I left myself reminders for next time on how turn off the security.
If you are having installation problems, turn off all of your malware security and that will probably help. Just make sure you turn it back on and run scans, the whole process with all of these websites seems shady and scary at first, but this one appears to be legit. I did read that Windows 10 and 11 tend to block sites that are deemed safe.
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Reviewed in the United States on December 13, 2025
★★★★★ 5
works great for great price
they are getting a great deal for three
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Reviewed in the United States on June 1, 2026