For Yamaha Models:
RADIAN YX600 1986-1990

Product Type Starter Relay Solenoid OEM Part Reference Number 3EN-81940-00-00, 4KD-81940-00-00 Rated Operating Voltage 12V DC Coil Internal Resistance 10-15 Ohms (at 20℃ ambient temperature) Housing Material High-impact flame-retardant ABS plastic Main Contact Material Pure copper silver-plated alloy Ingress Protection Rating IP65 dustproof and water-resistant Operating Ambient Temperature Range -40℃ to 125℃ Terminal Configuration 4 pin terminals (2 large power terminals, 2 small signal terminals) Instantaneous Load Current Rating 200A maximum instantaneous load capacity Service Life ≥100,000 switching cycles under rated load Mounting Hole Diameter 6mm standard mounting hole Compatibility Note Direct plug-and-play replacement, no modification required