Tachometer Hourmeter

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Will the Tachometer/Hourmeter work on my engine?

EFMS100 Tachometer/Hourmeter will work on any engine using a spark plug.

You simply need to wrap the sensor wire around the spark plug wire and set the display unit according your engine ignition:

  • 2 sparks per revolution
  • 1 spark  per revolution
  • 1 spark per 2 revolutions