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Ships within 48 hours · Estimated delivery Jul 23 - Jul 28
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Wiseco Yamaha 2005-12 12.51 CR 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
- 82.00 mm Bore, 12.5:1 CR
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008-2012 | Yamaha | FX10 FX Nytro | Base |
| 2012 | Yamaha | FX10M FX Nytro MTX 153 | Base |
| 2010-2012 | Yamaha | FX10M FX Nytro MTX SE 153 | Base |
| 2010-2012 | Yamaha | FX10M FX Nytro MTX SE 162 | Base |
| 2008-2010 | Yamaha | FX10MT FX Nytro MTX | Base |
| 2008 | Yamaha | FX10MTRA FX Nytro MTX 40th Anniv | Base |
| 2008 | Yamaha | FX10RT FX Nytro RTX Non-Reverse | Base |
| 2008-2012 | Yamaha | FX10RTR FX Nytro RTX | Base |
| 2008 | Yamaha | FX10RTRA FX Nytro RTX 40th Anniv | Base |
| 2009-2012 | Yamaha | FX10XT FX Nytro XTX | Base |
| 2005-2008 | Yamaha | RS90 RS Vector | Base |
| 2005-2007 | Yamaha | RS90M RS Vector Mountain | Base |
| 2006 | Yamaha | RS90N Nytro | Base |
| 2008 | Yamaha | RS90R RS Vector | Base |
| 2005-2007 | Yamaha | RSG90 RS Rage | Base |
| 2005-2009 | Yamaha | RST90 RS Venture | Base |
| 2006-2009 | Yamaha | VK10 Viking Professional | 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
4.0 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
Love being able to change with the seasons!
Size: 20 x 20 inches, Style: 4 Pack
I’ve been using the Amazon Basics Square Hypoallergenic Pillow Inserts with my seasonal pillow covers, and I absolutely love them. I like to switch out my covers each month or holiday, and these inserts make it so easy to keep my living room looking fresh and festive year-round.
They hold their shape really well and give my pillows a full, plush look without feeling too stiff. I also appreciate that they’re hypoallergenic, which is a big plus for my home.
Overall, these inserts are a great staple to have if you enjoy decorating with interchangeable covers. They’re comfortable, reliable, and perfect for keeping up with seasonal décor changes. Highly recommend!
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Reviewed in the United States on April 8, 2026
★★★★★ 3
If you like your pillows plump, these won't do it.
Size: 20 x 20 inches, Style: 4 Pack
Disappointed in this item. they do not have enough filling in them and what is there flattens out very quickly. Will not purchase this brand again.
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Reviewed in the United States on April 27, 2026
★★★★★ 5
Perfect inserts for a great price
Size: 20 x 20 inches, Style: 4 Pack, Size: 20 x 20 inches, Style: 4 Pack
Great inserts! (The cat’s judgement is of me, not the inserts)
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Reviewed in the United States on May 16, 2026
★★★★★ 5
Hands down best hammock accessory
Color: Green, Size: Medium
Tried many, this pillow is perfect. Not too big, not too small. Soft yet supportive. It’s also well made and super comfy. Plus it packs up nicely. I’m a new Wise Owl convert, everything I’ve ordered so far has been excellent quality. Just wish they kept the colors consistent so it all matched (minor annoyance). You need this.
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Reviewed in the United States on May 22, 2026
★★★★★ 5
Comfy, soft, packable, and cool
Color: Green, Size: Small
I absolutely love this pillow. It's well constructed but not OVER constructed - it is soft, comfortable to my neck and head - very packable and stays pretty cool - like the 'other side' of the pillow. I also appreciate the stuff sack that Wise Owl sends with it. I was able to get this down into my right side of my Redwing 50 pocket. This thing fits everywhere and while some folks think its a luxury, when you get to be my age - comfort is something that you take for granted. I feel well rested after a night on this bad boy.
Shape always fluffs back out. I think it's a great value at the price point it is at compared to other pillows in this range. Very very durable, like all Wise Owl products I own. Easily fits snugly into the bag, and can mold around you depending on how you want to adjust it. I don't use a sleeping pad, just this for my neck support and it really is worth every penny.
Water resistance - I'm not sure as I've not had the opportunity to see it but I feel like with the material it is, water would probably bead off in light amounts.
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Reviewed in the United States on December 20, 2025
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