SOHC.co.uk Forums > CB750
750 f2 gearing
Johnwebley:
The bike is nearly 50yrs old.
Will it run to 8k in 4th?
Sent from my SM-A750FN using Tapatalk
sohc bob:
it will hit 8K in fourth if you wait long enough, ive checked the sprockets and it has 15/43 does anyone know if this is correct
Bryanj:
Check the parts book it will tell you
SumpMagnet:
checked mine...43T rear sprocket is what I have...so I reckon that is right. Same with the 15T gearbox sprocket.
Judging also by your speeds in gears...if you are pulling 90mph at 6000rpm in top, that sounds right to me. You are not going to see much over 110 unless you are flat on the tank. Maybe you could hit the dizzy heights of 120mph if you try hard.
You would need to hold the revs in each gear, though, or be prepared to wait. These bikes don;t have anything like the power of a modern 750
sohc bob:
Thanks for the replys maybe I am expecting too much from it I had a 77 f2 4 years ago and don't recall it being like this plus maybe I've been spoilt by modern bikes although I am suprised that I can run at 2500 rpm in top and open the throttle and she picks up with no hesitation seems to be quite torquey low down
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