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AC-CDI

7/21/2010 , , ,
Inside an AC-CDI of a GY6 50cc-125cc engine. An AC-CDI is a type of ignition wherein it can be operated without a battery installed on a bike but needing a HIGH VOLTAGE GENERATOR that will charge the capacitor inside the cdi to discharge tthrough your ignition coil producing spark at the spark plug unlike, dc-cd wherein no HV generator is necessary for they have a built in converter inside.

The circuit below is from a gy6 based engine. it incorporate a pulse shaping circuit, unlike the cdi of yamaha DT125 posted here Yamaha DT125 cdi.

for more ac cdi circuits and schematic diagram click here
More Ac-cdi schematic for you...

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4 comments:

  1. AnonymousOctober 4, 2011 at 3:36 AM

    can you tell me the valus of Q1 to Q7.

    ReplyDelete
  2. MCircuitsOctober 20, 2011 at 11:01 AM

    any general purpose transistor will do....2n3904 and 2n3906 shall be enough...

    ReplyDelete
  3. albertoJune 9, 2014 at 9:17 PM

    can i use this instead of the DT 125 cdi you posted?

    ReplyDelete
    Replies
    1. MCircuitsJune 10, 2014 at 6:15 AM

      on what particular model of the bike you will be using this cdi.

      Delete

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