Honda CRF300LR 2021 Owner's Manual page 28

Instruments
#
To reset the tripmeter [TRIP A/B],
average fuel mileage [AVG], fuel
consumption and average speed [AVG]
To reset the tripmeter A, average fuel
mileage A, fuel consumption A and average
speed A (these are based on tripmeter A)
together, press and hold the
while tripmeter A is displayed.
Average fuel Fuel
mileage A consumption A
or
Tripmeter A
or
24
(Continued)
button
SEL
Average
speed A
or
or
To reset the tripmeter B, average fuel
mileage B, fuel consumption B and average
speed B (these are based on tripmeter B)
together, press and hold the
while tripmeter B is displayed.
Average fuel Fuel
mileage B consumption B
or
Tripmeter B
or
button
SEL
Average
speed B
or
or