Motorcycle Engine Cylinder Head Gasket For CRF150RB 2007-2023 CRF150R 2007-2014 12251-KSE-671 This cylinder head gasket is designed to fit the specified motorcycle models and years.It matches OEM code 12251-KSE-671 and is intended for use in engine applications requiring a seal between the cylinder head and engine block.The raw material color may vary as it is selected based on size requirements.Functional performance is consistent regardless of color variation.compatibility with your vehicle model and year before installation.