Honda CBR 300 Forum banner

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Discussion Starter #1
I recently finished a 301cc build on a 2018 crf250 Rally w/ abs. It is fueled by the 250L ecu, PCv, and Autotune. It works but I am planning to use the 300r/300f ecu to make best use of the torque.

What I need to know is if I purchase a 300 ecu off eBay, will it work on my abs Rally, or will it disable the abs.

Can anyone with the factory service manual post a pdf of a cbr/cb ecu schematic from the electrical section?
Or if you know of a source that I can check out, that would be great.
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