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Diving into the Honda CRF125F’s we found a wide range of restrictions in the stock ECU. We first dove into a bone stock bike were able to find a 12% increase in mid range power that carried much stronger to redline.
From here we dove into various testing with the exhaust baffle, removing the backfire screen, installing a Yoshimura full system and topped things off with a DCR camshaft.

Final stock to final results (Yoshimura/DCR/ECU) the gains we saw came in at a 75% increase in mid range and 90% increase at redline.
 

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Diving into the Honda CRF125F’s we found a wide range of restrictions in the stock ECU. We first dove into a bone stock bike were able to find a 12% increase in mid range power that carried much stronger to redline.
From here we dove into various testing with the exhaust baffle, removing the backfire screen, installing a Yoshimura full system and topped things off with a DCR camshaft.

Final stock to final results (Yoshimura/DCR/ECU) the gains we saw came in at a 75% increase in mid range and 90% increase at redline.
What tuner did you use for the ECU? Have a link?
 
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