The manual suggests a ratio of 30:1
32:1 ratio
32:1 ratio
36:1
it is 50 to one with mc 1 oil
stock gears around 75-80mph
These (link below) are for a 08 RM 125.
if it is not oil injected rule of thumb is 50 to 1 ratio.
102 liters
Will a 94 rm 125 engine fit on a 2000 rm frame?
A 1997 rm 125 can go around 60mph.
There is a big difference the rm is much faster
no