This motorcycle starter clutch assembly is designed for YBR250 all models.It replaces OEM part numbers 1S4-15515-00-00 and 5BP-15590-00-00.Made of metal, it is built to withstand regular riding conditions.The one-way bearing design supports starter engagement.This part is engineered for direct replacement without modifications and fits all YBR250 models.Its construction ensures and consistent performance over time.Installation is straightforward and suitable for professional or DIY use.The product is manufactured to meet ISO9001 quality management standards.