CYLINDER WORKS offers a 470cc BIG BORE cylinder for your YAMAHA WRF 450cc and YAMAHA YZF 450cc motocrosser. This aluminum kit has the same characteristics as your original cylinder, except that it goes from Ø77mm 250cc to Ø79mm 270cc without any adaptation or modification to your engine. You'll be able to fit it with your original cylinder head and camshaft. This complete top motor is of the highest quality and finish. The coating is made of silicon carbide nickel to guarantee a minimum friction surface and increase the reliability and life of your cylinder. But it also delivers more torque and performance than the original engine. Let's talk about the piston: it's made by VERTEX, one of the world's leading manufacturers of top-of-the-range pistons. The piston head is shaped for excellent engine compression. It is also graphitized for better lubrication during passage. We recommend this top-of-the-range cylinder for those who want to give their machine more performance without having to make any modifications. This cylinder is of course sold complete. It includes cylinder, piston, ring, pin, clips and complete gasket pack. You won't need anything else to reassemble this product. A list of vehicles suitable for this kit can be found below. Contractual photo to come.

Fits on:

FANTIC XEF 450 2024

FANTIC XEF 450 2023

FANTIC XEF 450 2022

YAMAHA WR 450 F (RE45) 2020

YAMAHA WR 450 F 2023

YAMAHA WR 450 F 2022

YAMAHA WR 450 F 2021

YAMAHA YZ 450 F (CJ23) 2021

YAMAHA YZ 450 F (CJ23) 2020

YAMAHA YZ 450 FX 2020

YAMAHA YZ 450 F 2022