1 or 2 pieces 12 V starter relay for motorcycle models including XR125, XLR125, CBR125, CBR250, NSS300, CB350, CBR400, CB500, CBR600, FJS600, NT650, VFR750, VT750, and VFR800.Compatible with additional models such as SH125, SES125, NES125, CBR125RR, LTF250, SV650, VZ800, XV240, XV125, XV250, VSTAR250, CB750, RVF750R, XRV750, PC800, GSF1200, GSX1300R, TRX400, TRX450, and others listed in the fitment details.Constructed from metal, plastic, and aluminum.Designed for direct plug-in installation.Terminal markings indicate B for and M for motor; correct polarity must be observed during installation.