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OMC Tachometer Installation

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  • #1

    OMC Tachometer Installation

    Hey everyone,

    I recently bought an OMC Tachometer, and was wondering how I can hook it up to my Yamaha F9.9BE. The instructions refer to the pulses per revolution.

    Pictures for reference:







    Thanks again!

    Cheers,
    Paul
    Tags: None
  • #2
    I do not think it will work, being that tach is for a motor with points and condenser.

    Even If it is possible to run off of the signal of the yamaha, Have you looked to see how many pulses the F9.9.
    Last edited by 99yam40; 06-22-2017, 10:29 AM.

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    • #3
      seems like a no-go - if this is applicable:

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      • #4
        fairdeal where did your chart come from and is there one that covers other yamaha engines?
        Dennis
        Keep life simple, eat, sleep, fish, repeat!

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        • #5
          Originally posted by dray0151 View Post
          fairdeal where did your chart come from and is there one that covers other yamaha engines?
          I forget what year version - but that chart is from a Yamaha document called "Rigging Guide"

          a google search will turn up .pdfs for various years going back to ~2000 -
          and then most recently they can be found as a viewable "Adobe flash"

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          • #6
            something to keep in mind also

            Some tach settings use pulse setting and not pole setting, 3 pulse is same as 6 pole.

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            • #7
              search didn't turn up anything for a 2004 that you didn't have to purchase for 60 to 70 $. I was really just interested in knowing exactly how many poles my stator has on the 2004 F115 TLRC.
              Dennis
              Keep life simple, eat, sleep, fish, repeat!

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              • #8
                Originally posted by dray0151 View Post
                search didn't turn up anything for a 2004 that you didn't have to purchase for 60 to 70 $. I was really just interested in knowing exactly how many poles my stator has on the 2004 F115 TLRC.

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                • #9
                  Originally posted by 99yam40 View Post
                  something to keep in mind also

                  Some tach settings use pulse setting and not pole setting, 3 pulse is same as 6 pole.
                  Interesting. Did not know that. So the OP's gauge may work.

                  Originally posted by dray0151 View Post
                  search didn't turn up anything for a 2004 that you didn't have to purchase for 60 to 70 $. I was really just interested in knowing exactly how many poles my stator has on the 2004 F115 TLRC.
                  well, this is from the 2008 - so think we can be confident it applies to your engine:

                  all 4-strokes between 15 and 250 hp are 12 pole

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                  • #10
                    Or see page 5-6 in the linked document below. Which was available via a Google search as fairwind suggested.

                    http://gfretwell.com/ftp/Rigging%20guide%202012.pdf

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                    • #11
                      Thanks Boscoe I found the PDF document your link goes to but since on about the second page it stated based on 2012 year models available at time of printing I was unsure it would still apply to a 2004 engine, things even with yamaha do change
                      Dennis
                      Keep life simple, eat, sleep, fish, repeat!

                      Comment

                      • #12
                        Originally posted by fairdeal View Post
                        Interesting. Did not know that. So the OP's gauge may work.

                        It says it is for a motor that has points and condenser (12 volt system), so it may not work with his Yamaha (alternator poles)

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