Honda NC750XA Owner's Manual page 32

Instruments
❙
To reset the tripmeter
To reset the tripmeter, press and hold the SET button while the tripmeter that you want to
reset is being displayed.
Also, after refuelling more than the reserve amount, tripmeter A, average fuel mileage A,
and fuel consumption A will automatically reset when your motorcycle travels 0.1 km (0.06
mile). You can activate or deactivate the automatic reset mode by refuelling. (P36)
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