MaySpare 6 Pins DC CDI Box Variable Timing Performance For GY6 4-Stork Engine 125cc 150cc 250cc No Rev Limit

Product description <img alt="MaySpare" src="https://m.media-amazon.com/images/S/aplus-media/sc/fccde481-6579-4ec8-9c57-4cc630d9902a.__CR0,0,600,180_PT0_SX600_V1___.jpg"> <img alt="DC CDI BOX" src="https://m.media-amazon.com/images/S/aplus-media-library-service-media/93bdcebe-15ce-44fb-8f7e-b62547c32d4c.__CR0,0,970,600_PT0_SX970_V1___.jpg"> Type DC Fired CDI Pins 6 Pins Male Plug Material Type Plastic and Metal Model 125cc 200cc 250cc Atv Dirt Bike <img alt="ac cdi box" src="https://m.media-amazon.com/images/S/aplus-media/sc/c87b3b01-c9ff-4988-83b6-0e6edc9d674f.__CR0,0,970,600_PT0_SX970_V1___.jpg"> Difference of AC CDI & DC CDI AC CDI: The CDI Obtains it voltage solely form the current produced by the stator and is one of the most widely used basic in small enginesAC CDI : on the two plug part of the unit will always have 2 wire generally a black/red=stator power a white/black = engine killAC CDI : scooter engine will run without a battery or on a dead battery DC CDI: The DC CDI module is powered by the battery so an additional DC/AC inverter circuit is needed in the module to step up the voltage from 12VDC to a range 400-600VDCDC CDI: Is a lager unit due to the additional circuit and engine running with a DC-CDI set-up have a more precise timing and generally start better when the engine is cold.DC CDI: on most scooter is a 4 wire set-up but has been known a 5 wire set-up also, the sure way to know is to check its power source.