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Type: Posts; User: K447

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  1. Replies
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    Well, if the stator (and ignition coils, and all...

    Well, if the stator (and ignition coils, and all wiring) really are good, then the CDI becomes prime suspect.
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    Still no spark?

    Still no spark?
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    My recommendation would be to first restore the...

    My recommendation would be to first restore the wiring to factory configuration. At least then we can understand what is going on as you troubleshoot.

    With non-standard/broken wiring we really...
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    My bad. CDI power input is Red/Purple wire. ...

    My bad.

    CDI power input is Red/Purple wire.

    Mostly working from memory here, sometimes I miss a detail. :facepalm:
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    That sounds like someone added an automotive...

    That sounds like someone added an automotive relay.
    Possibly into the fuel pump wiring?
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    What relay? Is the relay non-factory? You can...

    What relay? Is the relay non-factory?

    You can find wiring diagrams for your year and model and lots more info via my signature links.

    ANY broken wire is a problem.

    Are any other wires...
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    Correction. Red/Purple wire is power wire into...

    Correction.
    Red/Purple wire is power wire into the CDI.

    It is the CDI itself which requires a certain minimum voltage while cranking. Sometimes an issue with wiring allows the 'battery' voltage...
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    Also, did you remove the spark plug caps, trim...

    Also, did you remove the spark plug caps, trim the plug wires a bit, and rescrew the caps onto the plug wires?

    Sometimes the plug wire ends becomes frayed inside and do not properly contact the...
  9. Replies
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    Confirm the actual voltage reaching the CDI, with...

    Confirm the actual voltage reaching the CDI, with engine cranking, stays well above 10.6 volts. Red/Purple and Black wires, which go directly into the CDI module.

    Also, disconnect the CDI ignition...
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    Welcome. What do you mean by running 'rough'?...

    Welcome.

    What do you mean by running 'rough'?

    Has it been idle adjusted and tested in/on the water?

    What has been done with the fuel system?

    Which spark plugs are installed?
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    There is a specific method for testing the Hall...

    There is a specific method for testing the Hall Effect sensors on red carb engines. Details posted and linked

    It involves a 9 volt battery, specific polarity of ohm meter test probs.
    And slowly...
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    Somewhere on here I have posted info on...

    Somewhere on here I have posted info on configuring a Triton trailer to match the hull. I don’t have time to find the links right now, but some searching should find the threads.

    Bunks should fit...
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    Before you start cranking the engine, wake up the...

    Before you start cranking the engine, wake up the MFI display by pressing a button. Wait for the MFI display to finish the wake up sequence.

    Then change the display mode so you can see RPM digits...
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    Reminder: BOTH spark plugs must be plugged in AND...

    Reminder: BOTH spark plugs must be plugged in AND touching engine ground or you will not have proper spark.
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    Next steps would be working through the...

    Next steps would be working through the disgnostics for the stator.
    Ohm checks, Hall Effect sensors, AC voltage output from the coils

    That said, the 'bad' aftermarket stators can test good with...
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    Yes, that sounds correct. I think if you pull...

    Yes, that sounds correct.

    I think if you pull off the red to orange adapter wire piece, you will find a round bullet connector on the red CDI wire that will mate with an available red wire...
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    I think some Virage/Genesis models may directly...

    I think some Virage/Genesis models may directly join/plug together the two black/white wires for the LR-505, not using the terminal board. Other versions join those two black/white wires via the...
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    The genuine Yamaha OEM service manual is...

    The genuine Yamaha OEM service manual is available to purchase directly from this forum's online store.

    http://greenhulk.net/forums/onlinestore.php
    ...
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    Which instructions are you following?

    Which instructions are you following?
  20. Thread: Destin Florida

    by K447
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    Are you comfortable riding in big water?...

    Are you comfortable riding in big water? Depending on wind direction and wind strength/duration the wave heights can be significant out in the Gulf, out beyond the protected sound and bay areas.
    ...
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    Welcome. Click on my signature link...

    Welcome.

    Click on my signature link, start reading. Lots of useful info in there.
    http://polarispwcknowledge.shorturl.com/first-things-to-do

    The Virage red carb engine has several common...
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    Steering/trim nozzle adjustment is covered in the...

    Steering/trim nozzle adjustment is covered in the service manual.

    Basically in neutral trim position the rear end of the nozzle should be square/vertical.

    You can disconnect the reverse bucket...
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    Where did you send the EMM to be tested? How...

    Where did you send the EMM to be tested?

    How exactly did you check the voltages at the Ficht fuel injectors?
    All injectors remain connected, while cranking measure white/red wire DC voltage to...
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    Hard to tell from just the photo. Looks like...

    Hard to tell from just the photo.

    Looks like a half decent power buffer would make the job much easier. Takes a bit of practice to know how much pressure and buffing compund is needed, but it is...
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    This is the problematic Yamaha oil cooler I was...

    This is the problematic Yamaha oil cooler I was referring to.

    http://greenhulk.net/forums/showthread.php?t=284391&p=3059393&viewfull=1#post3059393
    ...
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