Quote Originally Posted by Wildrice View Post
If the front wheel rotor has the same diameter as the rear---cutting & inputting all 3 speed sensors to the ECM would produce the same effect as riding in a straight line. Digital frequency is nothing more than pulses & all 3 wheels use them. Unless the ratio from the front is different than that from the rear---how else could it produce a problem??
The tires are different ODs. Front is about 22.1", rear about 23.9". The pulses per foot of travel will be different unless the rear rotor is larger and has more slits for the sensor to count.