In 2004 Honda replaced the black frame with one in silver and a banana seat to make the F4i more different from the 600RR, the seat was also added due to complaints of comfort.
The seat was also added due to complaints of comfort. This was in 2004 Honda. This 2004 Honda was replaced the black frame with one in silver. This was to make the F4i more different from the 600RR. This 2004 Honda was replaced the black frame with one in a banana seat. This was to make the F4i more different from the 600RR.