The JE single piston for 2017 Honda CRF450 comes with a 14.5:1 compression ratio for applications requiring that specification. Offered as a single replacement piston, it simplifies one-cylinder engine work and provides the specified compression geometry needed when servicing or rebuilding a CRF450, keeping replacement choices clear and targeted to the model's requirements.
JE Pistons Honda M/C CRF 450 2017 14.5 to 1 Piston Single