Motorcycle Cylinder Gasket Set End For CB 250 Twister Abs 2016-2019 CRF250F 12251-K31-901 12191K31900 This gasket set is designed for use with 250cc motorcycle engines. It is compatible with models from 2016 to 2019 including variants equipped with abs. The set supports engine rebuilds and cylinder replacements. Matches OEM specifications with part numbers 12251-K31-901 and 12191-K31-900. Suitable for use on CRF250F models from 2019 to 2020. Intended for installation on motorcycles requiring a complete cylinder gasket replacement. Compatibility Disclaimer: This is an aftermarket replacement part. Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.