Motorcycle Starter Solenoid Relay compatible with models including 1098, 1198 S, R, SP, 848, Sport, GT 1000, GT1000, 1098S, 1198R.OEM code 39740031B, 397.4.003.1B.Constructed with copper, EPDM, and metal materials to support cranking power and reduce current on the startup switch.Designed for performance in motorcycle applications.Proper installation required: terminal B for connection, terminal M for motor connection; do not connect in opposite direction.If your model is not listed, verification may be needed for compatibility.