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Author Topic: tach Setting  (Read 2362 times)

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Offline ssgsnake

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tach Setting
« on: May 06, 2025, 01:44:36 AM »
was wondering if anyone know what the pulses per Rev is supposed to be set on on the back of the Aqua Meter Tach
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Offline aquamaniac

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Re: tach Setting
« Reply #1 on: May 15, 2025, 11:11:10 PM »
A V8 MerCruiser would be 4 pulses

4 strokes fire every once every two rotations so divide number of cylinders by 2

2 Strokes fire once every rotation so number of cylinders equals number of pulses
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Offline ssgsnake

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Re: tach Setting
« Reply #2 on: May 19, 2025, 06:47:43 AM »
Thanks
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Offline thedeuceman

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Re: tach Setting
« Reply #3 on: May 22, 2025, 10:47:23 AM »
Outboards usually go off the number of poles in the stater, I think OMC is six, not sure about any others.


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