Cylinder Works Big Bore Cylinder Kit 470cc - CW21012K01 - 2018-2020 Yamaha YZ450F, YZ450FX

Cylinder Works Big Bore Cylinder Kit 470cc - CW21012K01 - 2018-2019 Yamaha YZ450F, 2019-2020 YZ450FX

Cylinder Works provides a cost-effective solution to maximize the Power output of your Yamaha YZ450F, YZ450FX. For optimal results, the complete cylinder kit from Cylinder Works is designed with OEM quality at a great price. The kit also comes with a Vertex piston, engineered to ensure durability, performance optimization, and substantial reduction in engine noise.

Simple installation, these direct bolt-on cylinders and boast a striking resemblance to their original equipment manufacturer cylinder. 

Cylinder Works Big Bore Kit - Yamaha:

• Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders
• Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced engine noise
• Nickel Silicon Carbide plated for long life
• Kits come complete with gaskets, cylinder, piston, rings, pin and clips
• Big bore cylinders do not require machine work to install
• Fitment WR 450 F (2019-2020); YZ 450 F (2018-2019); YZ 450 FX (2019-2020)
• Made in the U.S.A.

Kit Part # CW21012K01

Cylinder Specs:

• Compression Ratio -12.8:1
• Cylinder Diameter - 99 mm
• Cylinder Kit Type - Big Bore
• Displacement - 470 cc
• Engine Type4-Cycle

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