This carbon brush kit is a replacement for starter motors in select motorcycle models.It is compatible with OEM 55140002044 and fits the following models: 200 XC-W, 250 XC, 250 XC-W, 250 EXC, 250 EXC-E, 250 EXC Factory Edition, 300 EXC, 300 EXC-E, 300 EXC Factory Edition, and 300 XC-W.Constructed from grade carbon material, the brushes support electrical conductivity and efficient power delivery to the starter motor.The kit is designed to perform under typical off-road operating conditions and can withstand temperatures up to 105°C.Installation is straightforward, allowing for quick replacement with minimal downtime.Regular maintenance with this carbon brush kit helps support starting and sustained motor efficiency.