This Procom Performance CDI also has a built in USB port and it comes with Windows software which is very easy to use. Using this software you can adjust timing within a +32/-10 degrees of stock timing at various RPM points and set the rev limit at any value to create a custom map. And it is very easy to switch the unit back to the factory stock condition.
This CDI box is a direct plug in replacement CDI. Simply locate and remove the stock CDI, and plug the Procom unit directly into the wiring harness, no modification needed. Suitable for stock and modified machines.