One-Way Bearing for XG250 TRICKER XT250 Serow YZF R6 YZF600 R6 YFM250R 250 – 5BP-15590-00 The 5BP-15590-00 one-way bearing is a replacement component designed for use in motorcycle engines.It allows rotation in while preventing it in the opposite, making it essential for proper of the starter system.When the starter motor engages, the bearing transmits power to spin the engine during ignition.Once the engine starts running, the bearing disengages to prevent the engine from driving the starter, helping avoid damage and performance. This one-way bearing is compatible with several motorcycle models, including XG250 TRICKER, XT250 Serow, YZF R6, YZF600 R6, and YFM250R 250.It is built to fit directly into the designated housing without requiring modifications, supporting consistent function within the engine assembly. Constructed from materials, the bearing is designed to withstand mechanical stress and rotational forces typical in motorcycle applications.Its design supports smooth engagement, contributing to efficient power transfer and dependable starts.The unit is suitable for installation using standard hand tools and follows common procedures outlined in service manuals. Over time, normal wear and exposure to heat and vibration can degrade the performance of a one-way bearing.Symptoms of failure may include difficulty starting the engine, unusual noises during starter engagement, or the engine continuing to drive the starter after ignition.Replacing a worn bearing with the 5BP-15590-00 can restore proper starter function and support overall engine efficiency. This component plays a role in maintaining engine across various riding conditions, whether used on roads, trails, or other terrain.For riders seeking a functional replacement part that supports smooth and compatibility with specified models, the 5BP-15590-00 serves as a practical option for engine maintenance. This item is a compatible alternative.Use of brand identifiers is limited to showing which models it fits.