Wiseco YAM. YZ 450F 12.5:1 97mm (40001M)

Wiseco YAM. YZ 450F 12.5:1 97mm (40001M) is built for quality powersports performance for service, maintenance and dependable use.

Key Features

Review specs below. Contains all the necessary components for overboring or rebuilding your top end Feature forged pistons, rings, wrist pins, circlips and top end gasket set Fitment: 2010 Yamaha YZ450F 2011 Yamaha YZ450F 2012 Yamaha YZ450F 2013 Yamaha YZ450F Part Number: PK1872
Quality powersports part built for dependable service
Designed for fit, function and long-lasting performance
A solid choice for repair, maintenance and upgrades

Part Number: PK1872

Fitment

Verify exact application details 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!