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Thread: Tiny tach ?

  1. #1

    Tiny tach ?

    I have a T_TACH ( "Commercial" / Quick Update Type ) left over from my Two Stroke days.
    It only has a Red Wire I used to wrap around one Spark Plug Cable for its' Inductance trigger
    and 1 Ground Wire clipped to the engine.

    How are you guys hooking these up to / with the four stroke engines if that is even possible ?


  2. #2
    Orange FZS's Avatar
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    Set it to 720 and wrap it around the number 1 coil pack. I just cut the ground wire off and didn't bother with it. Works fine. Should show about 1250rpm at idle. Cheers

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  4. #3
    I'm gonna plead ignorance here -- how do you set it
    for different cylinder numbered engines ?

    There is only one "Reset" Button on it for resetting the
    elapsed hours to Zero.

  5. #4

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  7. #5
    .... that's what I love about this forum, enthusiasts helping enthusiasts w/o the drama -- you ask a reasonable question and get a useable answer.

    Hat's off to Steach !

    Thx buddy


    david

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  9. #6
    lets race.... mikeFZR's Avatar
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    Best place to mount the ground wire on the TT on a SHO/ SVHO is the mounting hole for the plastic engine cover.

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  11. #7
    steach's Avatar
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    David,

    What was the correct setting for the 4-bangers ?
    I had to replace a DEAD commercial TTach on my GPR and it likes 120*.
    -damn battery died after ONLY 9 years !!

    Initially idle read 5,400 rpm at 360* (so one-third, 120* was at 1,800 ish)

    Warning: the new TTach are not as deep. I had to remove some spacer material.

  12. #8
    steach's Avatar
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    Mounted and ready. Ground mounted to pipe under the plastic pipe cover.
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