How Fast is it Spinning ?

[MichaelTorre]

Can anyone of you gentlemen with tachometer, tell me how fast my ts250 four speed
is spinning at 60 miles an hour?
70 miles an hour?
In fourth gear , of course.......
I don't know what the gear ratio in final drive is compared to a supa 5 or etz251

Thank you
Michael

[vicar]

On my Etz 251 6000 rpm is 74 mph on my gps phone so
1000=12.33 mph
2000=25
3000=37
4000=50
5000=62
6000=74
7000=86. Head down on the tank, This thing is flying
8000=99 Bloody hell that's a steep down hill bit SCREEEEEEEEEEEEEEEEECH Oh shit it needs a re-bore and I need new pants