Originally Posted by
adamym
Sorry, I'm up around 150 about 4 minutes into (17t pinion). The basic rule of thumb that I was told is if the motor is cool and the speedo is hot then gear up, and vice versa. So I tried all of the combinations all up to a 22 tooth pinion. I'm running a speed passion reventon pro as the speedo.
Tell us more about the motor you are running, what brand, where is teh timing set on the motor, how old is the motor......
We have been running Thunder Power motors and we can run a 5200 mah pack down to cut off and the motor will come off about 160*.