Wiseco Piston KIT Yamaha STD for 2009-22 Yamaha YFZ450R

Wiseco Piston KIT Yamaha STD for 2009-22 Yamaha YFZ450R is built for reliable engine performance, rebuild confidence and long service life.

Key Features

All Wiseco 4 cycle pistons come complete with rings, wrist pins and circlips
Only Wiseco replacement ring sets can be used on Wiseco pistons
All Wiseco 2 cycle pistons are supplied with rings and circlips
Wiseco 2 cycle pistons are not supplied with a wrist pin unless noted in the description. Part Number: 4865M09500 Fitment Primary fitment: 2009-22 Yamaha YFZ450R (see full list below) Yamaha 2022 YFZ450R 2021 YFZ450R 2020 YFZ450R 2019 YFZ450R 2018 YFZ450R YFZ450R SE Note: 11. 4:1 Compression 2017 YFZ450R YFZ450R SE Note: 11. 4:1 Compression 2016 YFZ450R YFZ450R SE Note: 11. 4:1 Compression 2015 YFZ450R YFZ450R SE Note: 11. 4:1 Compression 2014 YFZ450R YFZ450R SE Note: 11. 4:1 Compression 2013 YFZ450 Note: 11. 4:1 Compression YFZ450R YFZ450R SE Note: 11. 4:1 Compression 2012 YFZ450 Note: 11. 4:1 Compression YFZ450R YFZ450R SE Note: 11. 4:1 Compression 2011 YFZ450R YFZ450R SE Note: 11. 4:1 Compression YFZ450X Note: 11. 4:1 Compression YFZ450X SE Note: 11. 4:1 Compression 2010 YFZ450R YFZ450R SE Note: 11. 4:1 Compression 2009 YFZ450 Note: 11. 4:1 Compression YFZ450R YFZ450R SE Note: 11. 4:1 Compression 2008 YFZ450 Note: 11. 4:1 Compression YFZ450 SE Note: 11. 4:1 Compression 2007 YFZ450 Note: 11. 4:1 Compression YFZ450 Bill Balance Edition Note: 11. 4:1 Compression YFZ450 SE Note: 11. 4:1 Compression 2006 YFZ450 Note: 11. 4:1 Compression YFZ450 Bill Balance Edition Note: 11. 4:1 Compression 2005 YFZ450 Note: 12:1 Standard Compression 2004 YFZ450 Note: 12:1 Standard Compression

Part Number: 4865M09500

Fitment

Primary fitment: 2009-22 Yamaha YFZ450R

Also fits select 2004-22 Yamaha YFZ450R SE, Yamaha YFZ450, Yamaha YFZ450X models, and 3 more applications. Verify exact application before ordering.

Handling: Ships in 1 business day. Returns: 30 days, new/unused.

Steel Steeds is an independent retailer; Wiseco® is a trademark of its respective owner.

Once your Steel Steeds gear leaves our warehouse, it typically arrives at your doorstep within 2–4 business days, unless otherwise noted. We partner with trusted shipping carriers to ensure your off-road essentials get to you fast and hassle-free. So gear up with confidence—your next big adventure is just around the corner!

We are committed to providing quality products and stand behind our items with a warranty. Exact coverage may vary, so please refer to our warranty page for more details!

FAQs

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Once your Steel Steeds gear leaves our warehouse, it typically arrives at your doorstep within 2–5 business days, unless otherwise noted. We partner with trusted shipping carriers to ensure your off-road essentials get to you fast and hassle-free. So gear up with confidence—your next big adventure is just around the corner!

Absolutely! Nearly every item we carry comes with a warranty tailored to that specific product. We stand behind the quality of the products we distribute and want you to ride with confidence. For full details, visit our dedicated warranty page—and rest assured, we’ve got you covered every step of the way!