[DaBlue1]

Originally Posted by walty87

....Would my battery being dead be the cause of the rpm tach not working?

- if your lights on the Ninja 250 begin to flicker or your gauges or engine speed start to act erratically, check your battery connections

- charge the battery if the motor fails to start or the starter relay makes a clicking noise

~ http://www.ninjette.org/wiki/Battery