Yz CDI or other aftermarket box?

1 reply to this topic
  • mikeythefokker

Posted October 05, 2009 - 11:35 PM


Has anyone used a yz black box, or other cdi box, on an 07 or newer wr450? If so what were your results?

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  • William1

Posted October 06, 2009 - 03:02 AM


YZ CDI will not work without extensive modifications.

A Vortex or other aftermarket CDI will. Results vary depending on intended usage and expectations.


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