Starter Solenoid Relay for motorcycle models including YZF R1, YZF-R1 1998-2006 and 2009, YFZ450, YFZ 450 2004-2008, YZF-R6, R6, XT250, YX600, YZF1000, and YZF600.Designed as a replacement for worn or damaged units, this solenoid relay is constructed with plastic and metal components and operates at 12V.It features a plug-and-play design for straightforward installation.Compatible with various models using part numbers 5JW-81940-00, 5JW-81940-02, 4DN-81940-00, 4DN-81940-10, 4DN-81940-12, 4YR-81940-00, 4YR-81940-01, and 4YR-81940-02.The unit has a round terminal configuration and is intended for direct fitment on specified motorcycles.