
Specifications
- Brand
- Cylinder Works
- Part #
- 20003

Cylinder Works 07-15 WR 450 F/2017 YFZ 450/09-24 YFZ 450 R Standard Bore Cylinder
$390.40
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Fits 2009-2019 Yamaha YFZ450R. This standard bore cylinder kit restores horsepower and performance with a durable, low-friction bore.
Key Features
- Fits 2009-2019 Yamaha YFZ450R, 2007-2015 Yamaha WR450F, and 2010-2011 Yamaha YFZ450X.
- Includes a Cylinder Works cast aluminum cylinder, Vertex piston, and necessary gaskets.
- Features a nickel silicon carbide (NSC) electroplate bore for reduced friction and improved durability.
- The bore is precision diamond honed to exact dimensions for proper ring seal and oil retention.
- Restores lost horsepower and performance at a competitive price point compared to OEM options.
Fits these vehicles
- Yamaha WR450F 2007-2015
- Yamaha YFZ450R 2009-2019
- Yamaha YFZ450X 2010-2011
Product Details
If you're looking to rebuild the top end of your 2009-2019 Yamaha YFZ450R, this standard bore cylinder kit from Cylinder Works is a solid option. It's designed to bring back lost horsepower and performance, giving your engine a new lease on life without breaking the bank compared to OEM replacements.
What sets this kit apart is the cylinder itself. It features a nickel silicon carbide (NSC) electroplate bore. This advanced plating allows for tighter tolerances, which means less friction as the piston moves. That translates to better efficiency and a more durable cylinder that can handle the demands of your ride. The bore is also precision diamond honed to exact dimensions, ensuring your piston rings seal properly and retain oil effectively, which is crucial for engine health and longevity.
This kit includes the Cylinder Works cylinder, a Vertex piston, and all the necessary gaskets to get your engine back up and running. It's a complete package aimed at restoring your ATV's power and performance.
Specifications
- Brand
- Cylinder Works
- Manufacturer Part #
- 20003
Frequently Asked Questions
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