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I've been reluctant to get an aftermarket CDI since I don't hit the rev limiter (I'm running 25" tyres) and I'm also concerned with the reliability of aftermarket CDIs. However, they do offer one advantage as I understand it. Changing the timing. The question is, what is the difference between the different CDIs? Will the change in timing be worth it? Which brand do you recommend?
 

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really no need for an aftermarket, won't do a lot for ya with a stock motor, you might feel a little more power down low with the ones that do advance the timing
don't remember which ones or how much they advance it, maybe somebody that knows will chime in.

I have pretty much always run the Dyna, never had a problem with one
 

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I wouldnt waste the money on one,i cant tell any difference between dynatek and stock!!
 

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Keep your stock CDI and just install a 4 or 6-degree key for more power.
 

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I agree. I run the dyna, and 4_keeps runs a stock one, with no difference at all.
 

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Run the stock cdi. There have been countless times when members on here have had cdi problems with the aftermarket ones and end up switching back to stock
 

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Anyhow know the advance for a White Brothers/Procom/FST cdi?
 

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I beta tested the VDI on my brute and advanced timing even helps stock machines.
3 mph if I remember right.
 
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