There is an adjustable " purple box" CDI that MegaDan tested ., that i also switched to ( from a blue box like the one in the Video ) on the strength of his review that i now swear by .You can find Dans link to it over on the dual sport page .He of course uses it on a 250 but it works fine on my Vader 125 as well.
I was fine with the blue box and it worked well , and there is nowhere near as huge a diff between it and the purple box as there was between the stock one and blue box - but , there was a small improvement with the purple box and it is adjustable which allows for tuning between torque curves for stunting ,and
curves for track days which are more top end / high rpm .for the very few extra dollars you really cant go wrong.
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2001 Mustang GT
2004 Sportster
2018 VADER
2020 Orion RXB250L
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