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NO SPARK XJ650 MAXIM

Discussion in 'XJ Technical Chat' started by Mike griffith, Sep 24, 2017.

  1. Mike griffith

    Mike griffith New Member

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    XJ650 Maxim cannot get any spark have tried jumping it off the starter got no neutral light a red oil light comes on I've changed and check the oil if it helps this bike has sat for many years but has just been overhauled
     
  2. XJ550H

    XJ550H Well-Known Member Premium Member

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    red light coming on is a test of the bulb. start by doing a battery voltage drop test if battery goes below 10 volts when starter is thumbed bike will not start.
    charge battery or get a new one.
    next ohm out entire ignition system. ignition coils, plug caps, pickup coils. trim back spark plug wires 1/4 inch when caps are off.
    if neutral light does not come find out why. you have a clutch safety switch and neutral light is a safety switch both need to work or be bypassed

    all electrical specs will be found in this thread


    The Ultimate Relay, Switch, Sensor, and Diodes Guide
     
  3. XJ550H

    XJ550H Well-Known Member Premium Member

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    check fuses clean kill switch and starter button see if neutral bulb works then test neutral switch.
    does bike turn over with starter button? also pull in clutch when trying this wil overide neutral switch unless clutch safety switch is bad
     
  4. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    Describe "overhauled"
    What was done, and who did the work?
     
  5. Mike griffith

    Mike griffith New Member

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  6. Mike griffith

    Mike griffith New Member

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    New top-end valve job
     
  7. Mike griffith

    Mike griffith New Member

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    And carbs have been jaded pod filters exhaust
     
  8. Stumplifter

    Stumplifter Well-Known Member

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    That won't work, most pod filters I have seen go on the intake...
     
  9. Mike griffith

    Mike griffith New Member

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    My pods are on the intake side of my carburetor they are air filters AKA pod air filters
     
  10. Mike griffith

    Mike griffith New Member

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    You might have read what I wrote wrong it meant to say my carburetors have been jet it out pod air filters installed on the carburetors in exhaust was done AKA stock exhaust completely gutted
     
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  11. Stumplifter

    Stumplifter Well-Known Member

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    sorry - I must have misunderstood your sentence structure in the previous post.... it seemed to infer that the pods were exhaust. :confused:o_O
     
  12. Mike griffith

    Mike griffith New Member

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    and the exhaust was done I use talk text alot so kind of texts what it wants to
     
  13. Mike griffith

    Mike griffith New Member

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    I'm really bad at that I need to start reading before I hit send
     
  14. MattiThundrrr

    MattiThundrrr Not a guru

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    Otto correct dozen all ways work EE there.
     
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  15. Jetfixer

    Jetfixer Well-Known Member

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    If you have a weak battery , this can cause no spark .( even a new battery can have a bad cell)
     

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