The MSD Enhancer system for the Briggs & Stratton/Tecumseh is designed as a complete system. The system has 12 Volts DC operating voltage, 14,000 (1 Cylinder) rpm range, 100 MJ energy output maximum, 14° – 18° (1 Cylinder) multi spark duration, 1.5 AMPS @ 10,000 RPM current requirements, Primary 450 Volts voltage output, and 30,000+ VOLTS with MSD Coil secondary voltage. The following schematic shows the MSD Briggs & Stratton/Tecumseh Ignition System Wiring Diagram.