CYLINDER WORKS proposes you are cylinder identical has the origin for your motocross YAMAHA YZ450F, YZF 450cc of 2014 to 2017 and YAMAHA WRF, WRF450F 450cc 4 times of 2016 to 2017. This Ø97mm aluminum kit has the same characteristics as your original cylinder, it is however less expensive than in dealerships. This complete top engine is of a very high quality and finish. The coating is made of nickel and silicon carbide to guarantee a minimal friction surface and to increase the reliability and duration of your cylinder. But it also allows you to have more torque and performance than the original engine. Let's talk about the piston. It is manufactured by VERTEX which is one of the largest manufacturers of high-end pistons in the world. The head of the piston is worked to allow an excellent engine compression. It is moreover graphite to have a better lubrication during are passage. You will have understood that this kit is a quality cylinder, more powerful than your original kit and that will be more reliable has long therm. This cylinder is of course sold complete. It includes the cylinder, piston, ring, axle, clips as well as the complete seal pack. You will not need anything else to reassemble this product. A list of vehicle adaptable on this kit is below. Contractual photo to come.