Verify the part fits before purchasing Spec:Description: Standard Bore Cylinder KitCompression Ratio: 12.9:1Cylinder Diameter: 78mmCylinder Kit Type: Standard BoreDisplacement: 249ccEngine Type: 4-CycleKit Includes: Cylinder, Piston Kit, & Top-End Gasket KitNotes: Uses Vertex #22983.Replaces OEM Numbers:HONDA: 06113-KRN-700, 06113-KRN-710, 06113-KSC-700, 12100-KRN-672, 12100-KRN-730, 12100-KRN-731, 12100-KRN-732, 12191-KRN-671, 12191-KRN-731, 12251-KRN-671, 12251-KRN-731, 13011-KRN-670, 13011-KRN-850, 13101-KRN-670, 13101-KRN-850, 13111-KRN-670, 13111-KRN-850, 13115-KM7-700Fits:Honda CRF 250 R 2004-2007, CRF 250 X 2004-2017