Hello everyone. I have a great running Nissan NS40C outboard. It gets on plane very fast and sounds great at wide open throttle. Its on a old style aluminum boat 15'-6" Cadillac boat. I would like to find a tachometer that will work with this motor(just to be sure I am in the operating range of the motor). They no longer make this part # 38072-5300 tachometer. Anyone know what tachometer will work with this motor. I do not want one that will cause problems with motor.