Model Name: M550-A877 CD-ROM Read Speed: Not applicable Wire Configuration: 4-wire, 6-pole Compatibility: 250 300 380 SX EXC MXC (2K-1) 1998-1999 models Dimensions: Interior diameter: 28mm, Exterior diameter: 58mm, Length of wires stator to terminals: 600mm Replacement: 54739004000 Package Contents: 1x 4-Wire Ignition Stator Base Assy The 4-Wire Ignition Stator Base Assy is designed to restore the ignition system on select motorcycle models.Constructed with lamination materials, it supports and consistent power delivery.It fits models including the 250 SX, 300 SX, 380 SX, EXC, and MXC from 1998 to 1999.The 6-pole, 4-wire configuration allows direct integration into the existing electrical setup. Installation is straightforward due to the plug-and-play design.The unit includes a rubber grommet for added protection.Its dimensions are tailored to fit within the designated space in compatible models, proper alignment and function.Designed as a replacement 54739004000, it enables easy -referencing with components. This stator supports stable ignition performance under riding conditions.Prior to installation, verify AC output and inspect wiring and connectors for damage to proper system function. Compatibility Note: This is a third-party replacement component.Brand and model references are included solely to indicate fitment.