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You can't richen the closed loop mode (without using the voltage dividers) because closed loop implies the ECM is using the narrow band O2 sensors to adjust the AFR. These sensors will force the bike to 14.7AFR.
I have always believed that the Stage I download is a richer map to accomodate free flowing A/C and exhaust. If it doesn't richen the map, there is no sense in having it. But again, this can only be richer in open loop mode.
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