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tach inop

Discussion in 'XJ Technical Chat' started by Mike Flores, Dec 21, 2016.

  1. Mike Flores

    Mike Flores Member

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    my taco on my 83 mid max isn't working, it's hard to describe but the needle doesn't rev up like it should. I took it apart and it's a circuit type, not cable driven, couldn't see any corrosion and looks clean. I'm stumped!
     
    Mike Flores, Dec 21, 2016
    #1
  2. Mike Flores

    Mike Flores Member

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    I meant tach
     
    Mike Flores, Dec 21, 2016
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  3. Toomanybikes

    Toomanybikes Well-Known Member

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    Gets a signal from ignition system check wires and grounds. They do fail occasionally as mine on Seca 650.
     
    Toomanybikes, Dec 21, 2016
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  4. XJ550H

    XJ550H Well-Known Member Premium Member

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    resolder the connection at the coil pack and check the connectors in the harness.
    then look real close at the connections in the tach for cracks you may need to reflow a few solderjoints.
     
    XJ550H, Dec 22, 2016
    #4
  5. Mike Flores

    Mike Flores Member

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    Thanks, I'll resolder at the coil first!
     
    Mike Flores, Dec 24, 2016
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  6. Jetfixer

    Jetfixer Well-Known Member

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    My tach was slow to respond...took it out of cluster sprayed a little WD40 behind face at base of needle using straw ...put it back in and fixed tach works great now.
     
    Jetfixer, Dec 28, 2016
    #6

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