I had an F3 for many years and it was what I let go to get on the Busa. Are you sure you measured it right cause my F3 stock vs stock had a much more upright an comfortable seating position than the Busa maybe the F4i is different. Though an all day adventure on the Busa are fine with me I really don't see myself doing 5-7 500- 600 mile days back to back on the Busa. I know many on here do with no problem. We riders are built and ride the bike differently. Time will tell but the bike can be tweaked in many ways for comfort.
Now for the creme 'y filling the 2 bikes may both be a little similar in comfort, the comparison stops right there. I got off the F3 and jumped on the Busa and rode it like my F3, got on the highway accelerated and went through 3-4 gears never going near the redline, just up to between 5-7 RPMs to get up to speed with traffic and found myself passing a slow moving car an was wondering "WTF is wrong with that guy going so dam slow on the hgwy" when I looked down at speedo I was in shock first and letting off to coast back into the double digits.
Never missed my F3 after that and I doubt you will either I miss being able to shake the bike between my legs like a bicycle to hear the gas swirling to know how much fuel I had left in the F3, but wth the Busa has a gas gauge so no real loss in the switch Keep eyes flashing from the road to the speedo till you get used to the difference.
Now for the creme 'y filling the 2 bikes may both be a little similar in comfort, the comparison stops right there. I got off the F3 and jumped on the Busa and rode it like my F3, got on the highway accelerated and went through 3-4 gears never going near the redline, just up to between 5-7 RPMs to get up to speed with traffic and found myself passing a slow moving car an was wondering "WTF is wrong with that guy going so dam slow on the hgwy" when I looked down at speedo I was in shock first and letting off to coast back into the double digits.
Never missed my F3 after that and I doubt you will either I miss being able to shake the bike between my legs like a bicycle to hear the gas swirling to know how much fuel I had left in the F3, but wth the Busa has a gas gauge so no real loss in the switch Keep eyes flashing from the road to the speedo till you get used to the difference.