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Contact breaker or Cdi?

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  • #1

    Contact breaker or Cdi?

    Guys I'm planning on restoring my dad's yezdi D250 classic!!! I heard Cdi wouldn't give starting trouble and is efficient!!! as in roadking. But even CB ignition has its advantage!!!! I'm in a dilemma!!! Help me guys. Suggestions pls
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  • #2
    Re: Contact breaker or Cdi?

    Query Approved
    Biking is not about what you have between your legs, its all about how well you use it!!!!!!!

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    • #3
      Re: Contact breaker or Cdi?

      If you want to be maintenance free its better to have a CDi,
      if you want a complete stock product with out modern features and is keen on maintaining the contacts go for contacts.
      As simple as that


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      None of Us is as Smart as All of Us

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      • #4
        Yezdi

        Flower head for yezdi wanted!!! Help me guys!!!

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        • #5
          Re: Contact breaker or Cdi?

          But one of my friend told that CB ignition provides current according to acceleration

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          • #6
            Re: Contact breaker or Cdi?

            Originally posted by ashishdpinjar View Post
            But one of my friend told that CB ignition provides current according to acceleration
            if possible, stick to cdi , its advantages are, consistent performance, better fuel economy and low maintenance , can you please describe how the cb points provides current according to acceleration
            Kawasaki KB100/enduro/125 substitute parts list http://www.xbhp.com/talkies/508615-post105.html

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            • #7
              Re: Contact breaker or Cdi?

              Originally posted by kb100 View Post
              if possible, stick to cdi , its advantages are, consistent performance, better fuel economy and low maintenance , can you please describe how the cb points provides current according to acceleration
              I'm not sure man. As I said one of my friend said to me. He has three yezdi's. Has very good knowledge about Yezdi. He says in CDI the current remains constant, but in contact breaker current varies according to the throttle!! So better pick up while more acceleration. It's not jus about maintenance.

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              • #8
                Re: Contact breaker or Cdi?

                Originally posted by ashishdpinjar View Post
                He says in CDI the current remains constant, but in contact breaker current varies according to the throttle!! So better pick up while more acceleration. It's not jus about maintenance.
                if my knowledge is right, only a specific amount of spark is necessary for ignition. But the change we like to have is on the timing of the spark during high rpm. The advantage of the contact point is the timing can be adjusted.
                Initial weak current and moisture all affect the contact points. So starting is difficult esp during monsoons. Not to speak about adjusting the points.

                The timing on the normal CDi is constant.
                Here comes the advantage a digital CDi which advances or retards the spark according to the engine RPM.


                Originally posted by kb100 View Post
                can you please describe how the cb points provides current according to acceleration
                Maybe he is thinking like at higher RPM, higher the current from magneto, which gives more spark.



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                Last edited by rxdude; 06-29-2013, 11:08 AM.
                None of Us is as Smart as All of Us

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                • #9
                  Re: Contact breaker or Cdi?

                  Slightly offtopic, which of the Indian made bikes have digital Cdi ( Both past and present).

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                  • #10
                    Re: Contact breaker or Cdi?

                    Originally posted by ashishdpinjar View Post
                    I'm not sure man. As I said one of my friend said to me. He has three yezdi's. Has very good knowledge about Yezdi. He says in CDI the current remains constant, but in contact breaker current varies according to the throttle!! So better pick up while more acceleration. It's not jus about maintenance.
                    the key to better acceleration lies in the timing of the spark not the amount of current supplied , i dont know from where your friend got this idea, ,If you still want to listen to your Friends advice by all means stick to points
                    Kawasaki KB100/enduro/125 substitute parts list http://www.xbhp.com/talkies/508615-post105.html

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                    • #11
                      Re: Contact breaker or Cdi?

                      Originally posted by ashishdpinjar View Post
                      But one of my friend told that CB ignition provides current according to acceleration
                      Please ask your friend to go and do some reading regarding ignition systems, ignition timing, point float and coil charging cycle before giving such statements.

                      It is better to go with a cdi system if you can find a compatible one. At the end of the day its your wish.

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                      Last edited by Bibhu; 06-29-2013, 04:07 PM.
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                      • #12
                        Re: Contact breaker or Cdi?

                        Thank you for the suggestions guys. I'll think about it!!!

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                        • #13
                          Re: Contact breaker or Cdi?

                          I'll think about it!!!
                          Please let us know your final decision.




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                          • #14
                            Re: Contact breaker or Cdi?

                            Sure bro!!! I'm collecting all spares for now!!

                            Sent from my HTC Explorer A310e using xBhp Connect mobile app

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                            • #15
                              Re: Contact breaker or Cdi?

                              Is it possible to replace CB point to CDI easily in Yezdi classic 250?

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